Moby: Docker๋ฅผ ์ค‘์ง€ ํ•œ ํ›„ ์ด์ „์— ์‹คํ–‰ ํ•œ ์ปจํ…Œ์ด๋„ˆ๋ฅผ ์‹œ์ž‘ํ•˜๊ฑฐ๋‚˜ ์ œ๊ฑฐ ํ•  ์ˆ˜ ์—†์Šต๋‹ˆ๋‹ค.

์— ๋งŒ๋“  2014๋…„ 05์›” 08์ผ  ยท  113์ฝ”๋ฉ˜ํŠธ  ยท  ์ถœ์ฒ˜: moby/moby

๋ฌธ์ œ๋Š” ๋‹ค์Œ๊ณผ ๊ฐ™์ด ์žฌํ˜„ ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

$ docker run -d ubuntu:trusty tail -f /dev/null
c39206003c7ae8992a554a9ac2ea130327fc4af1b2c389656c34baf9a56c84b5

$ stop docker
docker stop/waiting

$ start docker
docker start/running, process 2389

$ docker ps -q
# prints nothing...

$ docker ps -a -q
c39206003c7a

$ docker start c39206003c7a
Error: Cannot start container c39206003c7a: Error getting container c39206003c7ae8992a554a9ac2ea130327fc4af1b2c389656c34baf9a56c84b5 from driver devicemapper: Error mounting '/dev/mapper/docker-253:0-267081-c39206003c7ae8992a554a9ac2ea130327fc4af1b2c389656c34baf9a56c84b5' on '/var/lib/docker/devicemapper/mnt/c39206003c7ae8992a554a9ac2ea130327fc4af1b2c389656c34baf9a56c84b5': device or resource busy
2014/05/08 19:14:57 Error: failed to start one or more containers

$ docker rm c39206003c7a
Error: Cannot destroy container c39206003c7a: Driver devicemapper failed to remove root filesystem c39206003c7ae8992a554a9ac2ea130327fc4af1b2c389656c34baf9a56c84b5: Error running removeDevice
2014/05/08 19:15:15 Error: failed to remove one or more containers

lxc-docker 0.11.1์„ ์‹คํ–‰ํ•˜๋Š” ์ตœ์‹  Ubuntu 14.04 ํ˜ธ์ŠคํŠธ์ž…๋‹ˆ๋‹ค. ์Šคํ† ๋ฆฌ์ง€ ๋“œ๋ผ์ด๋ฒ„๋Š” devicemapper์ด๊ณ  ์ปค๋„ ๋ฒ„์ „์€ 3.13.0์ž…๋‹ˆ๋‹ค.

์ด๊ฒƒ์€ ๋„์ปค 0.9 (๊ณต์‹ ์šฐ๋ถ„ํˆฌ ๋ฆฌํฌ์ง€ํ† ๋ฆฌ์—์„œ)์˜ ํšŒ๊ท€์ž…๋‹ˆ๋‹ค. ๋ฌธ์ œ๋Š” 0.10์—๋„ ์กด์žฌํ•ฉ๋‹ˆ๋‹ค.

๊ฐ€์žฅ ์œ ์šฉํ•œ ๋Œ“๊ธ€

์ด๊ฒƒ์€ ์—ฌ์ „ํžˆ โ€‹โ€‹์šฐ๋ฆฌ์—๊ฒŒ ๋ฌธ์ œ์ž…๋‹ˆ๋‹ค (Ubuntu 14.04.4 LTS (KVM ํฌํ•จ) (3.13.0-88-generic)์—์„œ 1.11.2 ์‚ฌ์šฉ).

๊ตฌ๋… ํ•  ์ˆ˜์žˆ๋Š” ๊ณต๊ฐœ ํ‹ฐ์ผ“์ด ์žˆ๋‚˜์š”?

๋ชจ๋“  113 ๋Œ“๊ธ€

@vieira ์ปดํ“จํ„ฐ๋ฅผ ์žฌ๋ถ€ํŒ…ํ•˜๊ณ  ์—ฌ์ „ํžˆ ๋ฌธ์ œ๊ฐ€์žˆ๋Š” ๊ฒฝ์šฐ ์•Œ๋ ค์ฃผ์‹ญ์‹œ์˜ค.

์œ„์˜ ๋‹จ๊ณ„๋Š” ๊ธฐ๊ธฐ๋ฅผ ์žฌ๋ถ€ํŒ… ํ•œ ํ›„์—๋„ ์žฌํ˜„ ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

@alexlarsson ์ข€ ๋ด์ฃผ์„ธ์š”? devicemapper์™€ ๊ด€๋ จ๋œ ๊ฒƒ ๊ฐ™์Šต๋‹ˆ๋‹ค.

๋ฌธ์ œ๋Š” devicemapper์™€ ๊ด€๋ จ๋œ ๊ฒƒ ๊ฐ™์Šต๋‹ˆ๋‹ค. ๋‚˜๋Š” ๊ทธ๊ฒƒ์ด ์ •๋ง๋กœ ๋‹ค๋ฅธ ๊ฒƒ์ด๋ผ๊ณ  ์ƒ๊ฐํ•ฉ๋‹ˆ๋‹ค.
๋‚˜๋Š” ์ด๊ฒƒ์„ ์‹œ๋„ํ–ˆ๊ณ  ๋ฌธ์ œ๋Š” "๋„์ปค ์ค‘์ง€"๋ถ€๋ถ„์ด๋‹ค. ๋„์ปค ๋ฐ๋ชฌ์„ ctrl-cํ•˜๋ฉด ์ปจํ…Œ์ด๋„ˆ๋ฅผ ์˜ฌ๋ฐ”๋ฅด๊ฒŒ ์ค‘์ง€ํ•˜๋ ค๊ณ  ์‹œ๋„ํ•˜์ง€๋งŒ ์ปจํ…Œ์ด๋„ˆ ์ค‘์ง€์— ์„ฑ๊ณตํ•˜์ง€ ๋ชปํ•˜๋Š” ๊ฒƒ ๊ฐ™์Šต๋‹ˆ๋‹ค. ๊ทธ๋ž˜์„œ ๋‚˜๋Š” ๋„์ปค๋ฅผ ๊ฐ•์ œ๋กœ ์ฃฝ์ด๊ธฐ ์œ„ํ•ด ๋ช‡ ๋ฒˆ ๋” Ctrl-c๋ฅผ ๋ˆ„๋ฅธ๋‹ค.

์ด ์‹œ์ ์—์„œ ์ปจํ…Œ์ด๋„ˆ (๊ผฌ๋ฆฌ)๋Š” ์—ฌ์ „ํžˆ ์‹คํ–‰ ์ค‘์ด๋ฏ€๋กœ ์žฅ์น˜ ๋งคํผ ์žฅ์น˜๊ฐ€ ๋งˆ์šดํŠธ๋ฉ๋‹ˆ๋‹ค. ์ฆ‰, ๋‹ค์‹œ ๋งˆ์šดํŠธํ•˜๊ฑฐ๋‚˜ ์ œ๊ฑฐ ํ•  ์ˆ˜ ์—†์Šต๋‹ˆ๋‹ค. ์ด๊ฒƒ์ด ์ด๋Ÿฌํ•œ ์ž‘์—…์ด ์‹คํŒจํ•˜๋Š” ์ด์œ ์ž…๋‹ˆ๋‹ค.

@alexlarsson ์ด ์ž˜๋ชป๋˜๋ฉด ์‹œ์Šคํ…œ์„ ์ •๋ฆฌํ•˜๋Š” ์‰ฌ์šด ๋ฐฉ๋ฒ•์„ ์•Œ๊ณ  ์žˆ์Šต๋‹ˆ๊นŒ?

์Œ, ๋งŒ์•ฝ ํญ์ฃผํ•˜๋Š” ์ปจํ…Œ์ด๋„ˆ ํ”„๋กœ์„ธ์Šค๋ฅผ ์ฐพ์œผ๋ฉด ๊ฐ•์ œ๋กœ ์ฃฝ์ผ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

@vieira ๋‹น์‹ ์€ ๋งˆ์šดํŠธ ํ•ด์ œ ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค :
umount / var / lib / docker / devicemapper / mnt / c39206003c7ae8992a554a9ac2ea130327fc4af1b2c389656c34baf9a56c84b5

์ปจํ…Œ์ด๋„ˆ๋ฅผ ๋‹ค์‹œ ์‹œ์ž‘ํ•˜๋ฉด ์ž‘๋™ํ•ฉ๋‹ˆ๋‹ค.

๋‚ด๋„ ์ปค๊ฐ€ -d ๋ฐ -r๋กœ ์‹œ์ž‘๋˜์—ˆ์Œ์„ ์•Œ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ์ฒซ์งธ,๋„ ์ปค๊ฐ€ ๋‹ค์‹œ ์‹œ์ž‘๋˜๋ฉด ์ปจํ…Œ์ด๋„ˆ๊ฐ€ ๋‹ค์‹œ ์‹œ์ž‘๋˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค. ๊ทธ๋Ÿฐ ๋‹ค์Œ ์œ„์—์„œ ์–ธ๊ธ‰ ํ•œ ์˜ค๋ฅ˜๊ฐ€ ๋ฐœ์ƒํ•ฉ๋‹ˆ๋‹ค (์ปจํ…Œ์ด๋„ˆ๋ฅผ ์‹œ์ž‘ํ•˜๋ ค๊ณ  ํ•  ๋•Œ).

๋‚ด centos 6.5๋Š” ์—ฌ์ „ํžˆ epel์—์„œ 1.0.0.6์„ ์–ป์Šต๋‹ˆ๋‹ค. 1.0์—์„œ ๋ฒ„๊ทธ๋กœ ํ™•์ธ๋˜์–ด 1.1์—์„œ ์ˆ˜์ • ๋œ ์ ์ด ์žˆ์Šต๋‹ˆ๊นŒ? ๋ˆ„๊ตฐ๊ฐ€ ํ™•์ธํ•ด ์ฃผ์‹œ๊ฒ ์Šต๋‹ˆ๊นŒ?

๊ฐ์‚ฌ

์•ˆ๋…•ํ•˜์„ธ์š” ์—ฌ๋Ÿฌ๋ถ„, ์—ฌ์ „ํžˆ 1.1.1์—์„œ ์ˆ˜์ •๋˜์ง€ ์•Š์•˜์Šต๋‹ˆ๋‹ค.
์›๋ž˜ ๊ฒŒ์‹œ๋ฌผ์˜ ๋‹จ๊ณ„๋Š” ๊ณ„์† ์ ์šฉ๋ฉ๋‹ˆ๋‹ค.

Error response from daemon: Cannot start container 5e9bde9b409b: 
Error getting container 5e9bde9b409b001bcc685c0b478e925a53a03bab8d8ef3210bf24aa39410e30d 
from driver devicemapper: 
Error mounting '/dev/mapper/docker-253:0-267081-5e9bde9b409b001bcc685c0b478e925a53a03bab8d8ef3210bf24aa39410e30d' 
on 
'/var/lib/docker/devicemapper/mnt/5e9bde9b409b001bcc685c0b478e925a53a03bab8d8ef3210bf24aa39410e30d': 
device or resource busy

๋‚˜๋„ ๋งŽ์ด ๋ฐ›๊ณ  ์žˆ์ง€๋งŒ ์–ด๋–ค ์˜๋ฏธ์—์„œ ์ปจํ…Œ์ด๋„ˆ๋ฅผ ์ œ๊ฑฐํ•˜๋Š” ๊ฒƒ ๊ฐ™์Šต๋‹ˆ๋‹ค (๊ฐ™์€ ์ด๋ฆ„์œผ๋กœ ์ƒˆ ์ปจํ…Œ์ด๋„ˆ๋ฅผ ์‹œ์ž‘ํ•  ์ˆ˜ ์žˆ๋‹ค๋Š” ์ ์—์„œ)

์ด ๋ฌธ์ œ์— ๋Œ€ํ•œ ํ•ด๊ฒฐ ๋ฐฉ๋ฒ•์ด ์žˆ์Šต๋‹ˆ๊นŒ?

ํ•ด๊ฒฐ ๋ฐฉ๋ฒ•๋„ ์ฐพ๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.

๋„์ปค ๋ฐ๋ชฌ์ด ๋ฌธ์ œ๋ฅผ ํ•ด๊ฒฐํ•˜๊ธฐ ์ „์— ๋ชจ๋“  ์ปจํ…Œ์ด๋„ˆ๋ฅผ ์ค‘์ง€ํ•˜๋Š” ๊ฒƒ์ฒ˜๋Ÿผ ๋ณด์ž…๋‹ˆ๋‹ค.

ํ•ด๊ฒฐ ๋ฐฉ๋ฒ•์œผ๋กœ์ด pre-stop ๋ธ”๋ก์„ ๋‚ด ์‹ ์ƒ ์ž‘์—…์— ์ถ”๊ฐ€ํ–ˆ์Šต๋‹ˆ๋‹ค.

pre-stop script
    /usr/bin/docker ps -q | xargs /usr/bin/docker stop
end script

๋‹ค์Œ์€ ๋‚ด ๋””๋ฒ„๊น… ๋‹จ๊ณ„์˜ ์š”์ ์ž…๋‹ˆ๋‹ค. https://gist.github.com/rochacon/4dfa7bd4de3c5f933f0d

@rochacon ํ•ด๊ฒฐํ•ด ์ฃผ์…”์„œ ๊ฐ์‚ฌํ•ฉ๋‹ˆ๋‹ค. ์˜ค๋Š˜ ๋˜๋Š” ๋‚ด์ผ 1.2๋กœ ํ…Œ์ŠคํŠธ ํ•  ๊ฒƒ์ž…๋‹ˆ๋‹ค (1.1.1๋กœ ํ…Œ์ŠคํŠธ ํ•œ ๊ฒƒ ๊ฐ™์ฃ ?). ์ž‘๋™ํ•˜๊ธฐ๋ฅผ ๋ฐ”๋ž๋‹ˆ๋‹ค.

@vieira ๋‚˜๋Š” ๋˜ํ•œ 1.2.0, ๋™์ผํ•œ ๊ฒฐ๊ณผ๋กœ ์‹œ๋„ํ–ˆ์Šต๋‹ˆ๋‹ค.

4 ์ฃผ ์‹คํ–‰ ํ›„ ์ปจํ…Œ์ด๋„ˆ ์ค‘ ํ•˜๋‚˜๊ฐ€ ์ค‘์ง€๋˜์—ˆ์Šต๋‹ˆ๋‹ค ... ์ด์œ ๋ฅผ ๋ชจ๋ฅด๊ฒ ์Šต๋‹ˆ๋‹ค ... ๊ทผ๋ณธ ์›์ธ์„ ์–ด๋–ป๊ฒŒ ์ฐพ์„ ์ˆ˜ ์žˆ์Šต๋‹ˆ๊นŒ?

์–ด์จŒ๋“ , ๋‚˜๋Š” ๊ฐ™์€ ๋ฌธ์ œ๊ฐ€ ์žˆ์—ˆ๋‹ค ... @aroragagan ์˜ ์ œ์•ˆ์œผ๋กœ ํ•ด๊ฒฐ ๊ทธ๊ฑด ๊ทธ๋ ‡๊ณ  RHEL 6.5์— ์žˆ์Šต๋‹ˆ๋‹ค ...

root<strong i="8">@pppdc9prd3ga</strong> mdesales]# docker start federated-registry
Error response from daemon: Cannot start container federated-registry: Error getting container 4841fcb6e51f4e9fcd7a115ac3efae4b0fd47e4f785c735e2020d1c479dc3946 from driver devicemapper: Error mounting '/dev/mapper/docker-253:0-394842-4841fcb6e51f4e9fcd7a115ac3efae4b0fd47e4f785c735e2020d1c479dc3946' on '/var/lib/docker/devicemapper/mnt/4841fcb6e51f4e9fcd7a115ac3efae4b0fd47e4f785c735e2020d1c479dc3946': device or resource busy
2014/10/17 21:04:33 Error: failed to start one or more containers

[root<strong i="9">@pppdc9prd3ga</strong> mdesales]# docker version
Client version: 1.1.2
Client API version: 1.13
Go version (client): go1.2.2
Git commit (client): d84a070/1.1.2
Server version: 1.1.2
Server API version: 1.13
Go version (server): go1.2.2
Git commit (server): d84a070/1.1.2

[root<strong i="10">@pppdc9prd3ga</strong> mdesales]# umount /var/lib/docker/devicemapper/mnt/4841fcb6e51f4e9fcd7a115ac3efae4b0fd47e4f785c735e2020d1c479dc3946

[root<strong i="11">@pppdc9prd3ga</strong> mdesales]# docker start federated-registry
federated-registry

์ด์ œ 1.3.0์—์„œ 12.04์—์„œ 14.04๋กœ ์—…๊ทธ๋ ˆ์ด๋“œ ๋œ EC2 Ubuntu ์‹œ์Šคํ…œ์—์„œ์ด ํ˜„์ƒ์„ ๋ณผ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ๋‚ด dev ์ธ์Šคํ„ด์Šค๋Š” Vagrant์— ์ง์ ‘ 14.04 ์„ค์น˜ํ•˜๋ฉฐ์ด ๋ฌธ์ œ๊ฐ€ ์—†์Šต๋‹ˆ๋‹ค. ์ปจํ…Œ์ด๋„ˆ๋ฅผ ๋งˆ์šดํŠธ ํ•ด์ œํ–ˆ๋‹ค๊ฐ€ ๋‹ค์‹œ ์‹œ์ž‘ํ•˜๋Š” ๊ฒƒ์€ ์ž‘๋™ํ•˜๋Š” ๊ฒƒ์ฒ˜๋Ÿผ ๋ณด์ด์ง€๋งŒ ์ธ์Šคํ„ด์Šค๊ฐ€ ์žฌ๋ถ€ํŒ…๋˜๊ฑฐ๋‚˜ Docker๊ฐ€ ๋‹ค์‹œ ์‹œ์ž‘๋  ๋•Œ ์ปจํ…Œ์ด๋„ˆ๊ฐ€ ์ž๋™์œผ๋กœ ๋‹ค์‹œ ์‹œ์ž‘๋˜๋„๋ก ๊ตฌ์„ฑํ•˜๋Š” ๋ชฉ์ ์„ ๋ฌดํšจํ™”ํ•ฉ๋‹ˆ๋‹ค. ์ง€์› ํŒจํ‚ค์ง€ ๋ฒ„์ „ ๋“ฑ์— ๋Œ€ํ•ด ์ œ๊ณต ํ•  ์ˆ˜์žˆ๋Š” ์ถ”๊ฐ€ ์ •๋ณด๊ฐ€ ์žˆ์œผ๋ฉด ์•Œ๋ ค์ฃผ์„ธ์š”. ์ž‘๋™์ค‘์ธ ์‹œ์Šคํ…œ๊ณผ ์ž‘๋™ํ•˜์ง€ ์•Š๋Š” ์‹œ์Šคํ…œ์„ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ๊ธฐ ๋•Œ๋ฌธ์ž…๋‹ˆ๋‹ค.

Linux ์ปค๋„ 3.13 ๋˜๋Š” 3.14๋ฅผ ์‚ฌ์šฉํ•˜๋Š” docker 1.3 Ubuntu 14.04์—์„œ ๋™์ผํ•œ ๋ฌธ์ œ๊ฐ€ ๋‚˜ํƒ€๋‚ฉ๋‹ˆ๋‹ค.

@srobertson "๋ฐ๋ชฌ์ด ๋‹ค์‹œ ์‹œ์ž‘๋  ๋•Œ ์ปจํ…Œ์ด๋„ˆ๊ฐ€ ๋‹ค์‹œ ์‹œ์ž‘๋˜์ง€ ์•Š์Œ"์„ ์–ธ๊ธ‰ํ•˜๊ณ  ์žˆ์Šต๋‹ˆ๊นŒ? ์ƒˆ๋กœ์šด _per-container_ restart-policy๋ฅผ ์‚ฌ์šฉํ•˜๊ณ  ์žˆ์Šต๋‹ˆ๊นŒ? ๋ฐ๋ชฌ ์ „์ฒด -r / --restart=true ๊ฐ€ Docker 1.2์—์„œ ์ œ๊ฑฐ ๋˜์—ˆ๊ธฐ ๋•Œ๋ฌธ์—

์ƒˆ๋กœ์šด (์ปจํ…Œ์ด๋„ˆ ๋‹น) ์žฌ์‹œ์ž‘ ์ •์ฑ…์€ CLI ์ฐธ์กฐ์— ์„ค๋ช…๋˜์–ด ์žˆ์Šต๋‹ˆ๋‹ค.

+1, 3.17.2-1-ARCH ์ปค๋„์„ ์‚ฌ์šฉํ•˜๋Š” Docker 1.3 @ ArchLinux x86_64์—์„œ์ด ๋ฌธ์ œ๊ฐ€ ๋ฐœ์ƒํ–ˆ์Šต๋‹ˆ๋‹ค.

$ docker --version
Docker version 1.3.1, build 4e9bbfa

Umount๊ฐ€ ๋ฌธ์ œ๋ฅผ ํ•ด๊ฒฐํ•ฉ๋‹ˆ๋‹ค.

umount๋Š” ํ•ด๊ฒฐ ๋ฐฉ๋ฒ•์ด๋ฉฐ ๋ฌธ์ œ๋ฅผ ํ•ด๊ฒฐํ•œ๋‹ค๊ณ  ๋งํ•˜์ง€๋Š” ์•Š์Šต๋‹ˆ๋‹ค. ์ปจํ…Œ์ด๋„ˆ๊ฐ€ ์‹คํ–‰์ค‘์ธ ์ƒํƒœ์—์„œ ๋ฐ๋ชฌ์„ ๋‹ค์‹œ ์‹œ์ž‘ํ•˜๋ฉด ๋ฌธ์ œ๊ฐ€ ์žฌํ˜„๋ฉ๋‹ˆ๋‹ค.

umount ๋Š” ๋‹ค์Œ Docker ๋ฒ„์ „์—์„œ๋„ ์ €์—๊ฒŒ ์ ํ•ฉํ•ฉ๋‹ˆ๋‹ค.

atc@li574-92> docker --version
Docker version 1.3.1, build 4e9bbfa

๋จผ์ € ๋„์ปค ๋ฐ๋ชฌ์„ ์ค‘์ง€ํ–ˆ์Šต๋‹ˆ๋‹ค.

umount /dev/mapper/docker-202\:0-729439-a7c53ae579d02aa7bb3aeb2af5f2f79c295e1f5962ec53f16b73896bb3970635 

@ mlehner616 ๋„ค, ๋งž์•„์š”. ์ฃ„์†กํ•ฉ๋‹ˆ๋‹ค. ๋ฌผ๋ก  ํ•ด๊ฒฐ์ฑ…์ด ์•„๋‹ˆ๋ผ ํ•ด๊ฒฐ ๋ฐฉ๋ฒ•์ž…๋‹ˆ๋‹ค. ๊ทธ๊ฒƒ์€ ๋‹จ์ง€ ์ž˜๋ชป๋œ ๋‹จ์–ด ์„ ํƒ์ด์—ˆ์Šต๋‹ˆ๋‹ค.

๋‚˜๋Š” ์ด๊ฒƒ๋„ ์ˆ˜์ •๋˜๋Š” ๊ฒƒ์„๋ณด๊ณ  ์‹ถ๋‹ค. =)

์ฐธ๊ณ ๋กœ, ๋งˆ์šดํŠธ ํ•ด์ œ๋Š” ๋‚˜๋ฅผ ์œ„ํ•ด ์ž‘๋™ํ•˜์ง€ ์•Š์•˜์Šต๋‹ˆ๋‹ค. / etc / mtab์—์„œ ์ฐพ์„ ์ˆ˜์žˆ๋Š” ๋งˆ์šดํŠธ๊ฐ€ ์—†๋‹ค๋Š” ์˜ค๋ฅ˜๊ฐ€ ๋ฐœ์ƒํ•ฉ๋‹ˆ๋‹ค.
Docker ๋ฒ„์ „ 1.0.0, RHEL 6.5์—์„œ ๋นŒ๋“œ 63fe64c / 1.0.0

๋„์ปค ๋ฐ๋ชฌ์ด ๋Œ์•„์˜ฌ ๋•Œ ์ด์ „ ๋งˆ์šดํŠธ๋ฅผ ์ž๋™์œผ๋กœ ๋งˆ์šดํŠธ ํ•ด์ œํ•˜์—ฌ ๋ฌธ์ œ๋ฅผ ํ•ด๊ฒฐํ–ˆ์Šต๋‹ˆ๋‹ค. ์šฐ๋ถ„ํˆฌ์˜ ํฐ /etc/init/docker.conf ํŒจ์น˜ํ•˜๊ณ  ์‹ถ์ง€ ์•Š์•˜์œผ๋ฏ€๋กœ ๋Œ€์‹  /etc/default/docker ์ž‘์€ ์ค„์„ ๋„ฃ์—ˆ์Šต๋‹ˆ๋‹ค.

cat /proc/mounts | grep "mapper/docker" | awk '{print $2}' | xargs -r umount

๊ทธ๊ฒƒ์€ ์†์ž„์ˆ˜๋ฅผ ์“ฐ๋Š” ๊ฒƒ ๊ฐ™์Šต๋‹ˆ๋‹ค. ๋‚˜๋Š” ๊ทธ๊ฒƒ์„ ์‹œ์ž‘์œผ๋กœ ๋‚ด ์‹ค์ œ ๋„์ปค ์ปจํ…Œ์ด๋„ˆ์˜ ์‹œ์ž‘ ๋ฐ ๋ฆฌ์Šคํฐ์„ ๊ด€๋ฆฌํ•˜๋Š” ๊ฒƒ๊ณผ ๊ฒฐํ•ฉ ํ–ˆ์œผ๋ฏ€๋กœ ์ด์ œ service docker restart ํ›„์— ๋ชจ๋“  ์ปจํ…Œ์ด๋„ˆ๊ฐ€ ๋‹ค์‹œ ๋Œ์•„์˜ต๋‹ˆ๋‹ค.

๊ฐ์‚ฌํ•ฉ๋‹ˆ๋‹ค, @jypma , ์“ฐ์…จ ์Šต๋‹ˆ๋‹ค!

@unclejack๊ณผ ํ•จ๊ป˜ _ ์„ธ์…˜ ๊ฒ€ํ†  _

๋Œ€๋ถ€๋ถ„์˜ "์žฅ์น˜ ๋˜๋Š” ๋ฆฌ์†Œ์Šค ์‚ฌ์šฉ ์ค‘"๋˜๋Š” EBUSY ๋ณด๊ณ ์„œ์— ๋Œ€ํ•œ ์ถ”์ ๊ธฐ๋กœ์ด ๋ฌธ์ œ๋ฅผ ์‚ฌ์šฉํ•  ๊ฒƒ์ž…๋‹ˆ๋‹ค.

์ด ๋ฌธ์ œ๋Š” ๋‹ค๋ฅธ ๋ฌธ์ œ์™€ ๋งˆ์ฐฌ๊ฐ€์ง€๋กœ docker ๋ฐ๋ชฌ์˜ ๋งˆ์šดํŠธ ๋„ค์ž„ ์ŠคํŽ˜์ด์Šค๋ฅผ ์ ์ ˆํ•˜๊ฒŒ ์ฒ˜๋ฆฌํ•˜์—ฌ ์™„ํ™”๋ฉ๋‹ˆ๋‹ค. ํ˜„์žฌ๋Š” ๋งˆ์šดํŠธ ๋„ค์ž„ ์ŠคํŽ˜์ด์Šค์˜ ๊ธฐ๋ณธ ์ฒ˜๋ฆฌ๊ฐ€ ์—†์œผ๋ฏ€๋กœ์ด EBUSY์™€ ๊ฐ™์€ ๋ฌธ์ œ๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค.

์ด๋ฅผ ์ฒ˜๋ฆฌํ•˜๊ธฐ์œ„ํ•œ ๊ณต์‹ ์†”๋ฃจ์…˜์„ ๊ฐœ๋ฐœํ•˜๋Š” ๋™์•ˆ ์ง์ ‘ ์ ์šฉ ํ•  ์ˆ˜์žˆ๋Š” ํ•ด๊ฒฐ ๋ฐฉ๋ฒ•์ด ์žˆ์Šต๋‹ˆ๋‹ค. http://blog.hashbangbash.com/2014/11/docker-devicemapper-fix-for-device-or-resource-busy-ebusy/ ์ฐธ์กฐ

Stock freeipa ์ด๋ฏธ์ง€๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ์ด ๋ฌธ์ œ๊ฐ€ ๋ฐœ์ƒํ–ˆ๋Š”์ง€ ํ™•์ธํ•ฉ๋‹ˆ๋‹ค. ๋„์ปค ์„œ๋น„์Šค๋ฅผ ์ค‘์ง€ํ•˜๊ณ  ipa ์ปจํ…Œ์ด๋„ˆ์™€ ํ•จ๊ป˜ ๋‹ค์‹œ ์‹œ์ž‘ํ•˜๋ ค๊ณ  ํ•  ๋•Œ ๋‹ค์Œ์„ ์–ป์—ˆ์Šต๋‹ˆ๋‹ค.

$ docker start ipa
Error response from daemon: Cannot start container ipa: Error getting container 98f224de38a0879b8a628179fa29a53b314dfada8c4c2e018113f0affa76f9d2 from driver devicemapper: Error mounting '/dev/mapper/docker-253:0-786581-98f224de38a0879b8a628179fa29a53b314dfada8c4c2e018113f0affa76f9d2' on '/var/lib/docker/devicemapper/mnt/98f224de38a0879b8a628179fa29a53b314dfada8c4c2e018113f0affa76f9d2': device or resource busy
2015/01/11 21:44:38 Error: failed to start one or more containers

์ปจํ…Œ์ด๋„ˆ๋ฅผ ๋‹ค์‹œ ์‹œ์ž‘ํ•  ์ˆ˜ ์žˆ๋„๋ก "๋งˆ์šดํŠธ"๋ฅผ ๋งˆ์šดํŠธ ํ•ด์ œํ•˜๋ฉด ๋ฌธ์ œ๊ฐ€ ํ•ด๊ฒฐ๋˜์—ˆ์Šต๋‹ˆ๋‹ค.

$ umount /var/lib/docker/devicemapper/mnt/98f224de38a0879b8a628179fa29a53b314dfada8c4c2e018113f0affa76f9d2

$ docker start ipa
ipa

๋‹ค์Œ ์‚ฌ์šฉ :

$  docker version
Client version: 1.3.2
Client API version: 1.15
Go version (client): go1.3.3
Git commit (client): 39fa2fa/1.3.2
OS/Arch (client): linux/amd64
Server version: 1.3.2
Server API version: 1.15
Go version (server): go1.3.3
Git commit (server): 39fa2fa/1.3.2

$ lsb_release -i -d
Distributor ID: CentOS
Description:    CentOS release 6.6 (Final)

umount๊ฐ€ ๋‚ด ๋ฌธ์ œ๋ฅผ ํ•ด๊ฒฐํ–ˆ์Šต๋‹ˆ๋‹ค.

๋„์ปค ๋ฒ„์ „
Docker ๋ฒ„์ „ 1.3.2, ๋นŒ๋“œ 39fa2fa

๋”ฐ๋ผ์„œ ๋‹ค์Œ ํ•ด๊ฒฐ ๋ฐฉ๋ฒ•์€ ๋‚ด ์‚ฌ์šฉ ์‚ฌ๋ก€์— ๋Œ€ํ•œ ์•ฝ๊ฐ„ ๋” ์˜๊ตฌ์  ์ธ ํ•ด๊ฒฐ ๋ฐฉ๋ฒ•์ž…๋‹ˆ๋‹ค.
์ €๋Š” Amazon linux (RedHat6-Like)๋ฅผ ์—„๊ฒฉํ•˜๊ฒŒ ์‚ฌ์šฉํ•˜๊ณ  ์žˆ์œผ๋ฏ€๋กœ init ์Šคํฌ๋ฆฝํŠธ๋ฅผ ์•ฝ๊ฐ„ ์ˆ˜์ •ํ–ˆ์Šต๋‹ˆ๋‹ค (๋„ ์ปค๊ฐ€ ์—…๋ฐ์ดํŠธ๋˜๋ฉด ๋ฎ์–ด ์“ธ ์ˆ˜ ์žˆ์Œ). ๊ธฐ๋ณธ์ ์œผ๋กœ์ด ๋ชจ๋“  ์ž‘์—…์€ ๋„์ปค๋ฅผ ์ •์ƒ์ ์œผ๋กœ ์ค‘์ง€ํ•˜๊ณ  ๋‚จ์€ ๋„์ปค ๋งˆ์šดํŠธ๋ฅผ ํ™•์ธํ•˜๋Š” ๊ฒƒ์ž…๋‹ˆ๋‹ค. ,์žˆ๋Š” ๊ฒฝ์šฐ ๋งˆ์šดํŠธ ํ•ด์ œํ•ฉ๋‹ˆ๋‹ค. YMMV

_ / etc / init.d / docker_
lib ๋ณ€์ˆ˜ ์ถ”๊ฐ€ (~ 28 ํ–‰)

prog="docker"
exec="/usr/bin/$prog"
# Adding lib variable here
lib="/var/lib/$prog"
pidfile="/var/run/$prog.pid"
lockfile="/var/lock/subsys/$prog"
logfile="/var/log/$prog"

๊ธฐ๋Šฅ์„ ์ค‘์ง€ํ•˜๊ธฐ ์œ„ํ•ด umount ๋ธ”๋ก ์ถ”๊ฐ€ (์ค„ ~ 77)

stop() {
    echo -n $"Stopping $prog: "
    killproc -p $pidfile -d 300 $prog
    retval=$?
    echo
    [ $retval -eq 0 ] && rm -f $lockfile

    # BEGIN UMOUNT BLOCK
    if [ $(df | grep $lib | awk '{print $1}' | wc -l) -gt 0 ]; then
        umount $(df | grep $lib | awk '{print $1}')
    fi
    # END UMOUNT BLOCK
    return $retval
}

์žฅ์น˜ ๋งคํผ๋ฅผ ์Šคํ† ๋ฆฌ์ง€ ๋“œ๋ผ์ด๋ฒ„๋กœ ์‚ฌ์šฉํ•˜๋Š” docker 1.4.1์—์„œ ๋™์ผํ•œ ๋ฌธ์ œ๊ฐ€ ๋ฐœ์ƒํ•ฉ๋‹ˆ๋‹ค. ๋กœ๊ทธ ํŒŒ์ผ์„ ํ†ตํ•ด ๋„์ปค์—์„œ ํŒจ๋‹‰ ์Šคํƒ ์ถ”์ ์„ ์ˆ˜์ง‘ ํ•  ์ˆ˜์žˆ์—ˆ์Šต๋‹ˆ๋‹ค.

ํ™˜๊ฒฝ

$ ๊ณ ์–‘์ด / etc / * release
DISTRIB_ID = ์šฐ๋ถ„ํˆฌ
DISTRIB_RELEASE = 14.04
DISTRIB_CODENAME = ์‹ ๋ขฐ
DISTRIB_DESCRIPTION = "Ubuntu 14.04.1 LTS"
NAME = "์šฐ๋ถ„ํˆฌ"
VERSION = "14.04.1 LTS, Trusty Tahr"
ID = ์šฐ๋ถ„ํˆฌ
ID_LIKE = ๋ฐ๋น„์•ˆ
PRETTY_NAME = "Ubuntu 14.04.1 LTS"
VERSION_ID = "14.04"
HOME_URL = " http://www.ubuntu.com/ "
SUPPORT_URL = " http://help.ubuntu.com/ "
BUG_REPORT_URL = " http://bugs.launchpad.net/ubuntu/ "

$ ๋„์ปค ๋ฒ„์ „
sudo : ํ˜ธ์ŠคํŠธ ip-172-30-0-39๋ฅผ ํ™•์ธํ•  ์ˆ˜ ์—†์Šต๋‹ˆ๋‹ค.
ํด๋ผ์ด์–ธํŠธ ๋ฒ„์ „ : 1.4.1
ํด๋ผ์ด์–ธํŠธ API ๋ฒ„์ „ : 1.16
Go ๋ฒ„์ „ (ํด๋ผ์ด์–ธํŠธ) : go1.3.3
Git ์ปค๋ฐ‹ (ํด๋ผ์ด์–ธํŠธ) : 5bc2ff8
OS / Arch (ํด๋ผ์ด์–ธํŠธ) : linux / amd64
์„œ๋ฒ„ ๋ฒ„์ „ : 1.4.1
์„œ๋ฒ„ API ๋ฒ„์ „ : 1.16
Go ๋ฒ„์ „ (์„œ๋ฒ„) : go1.3.3
Git ์ปค๋ฐ‹ (์„œ๋ฒ„) : 5bc2ff8

$ tail -f / var / log / upstart / docker
...
์ •๋ณด [143413] -job execResize (3dfcbc075227d5b3f0115bd73a1fea4a56a2c0fc68190d84b6d88e93938b4121, 37, 130)
2015/01/22 22:29:22 http : panic serving @ : runtime error : invalid memory address or nil pointer dereference
goroutine 1932 [์‹คํ–‰ ์ค‘] :
net / http.func ยท 011 ()
/usr/local/go/src/pkg/net/http/server.go:1100 + 0xb7
runtime.panic (0xbe5c40, 0x127da13)
/usr/local/go/src/pkg/runtime/panic.c:248 + 0x18d
github.com/docker/docker/daemon.(_execConfig).Resize(0xc20989c800, 0x25, 0x82, 0x0, 0x0)
/go/src/github.com/docker/docker/daemon/exec.go:65 + 0x66
github.com/docker/docker/daemon.(_Daemon).ContainerExecResize(0xc208044f20, 0xc20a836e00, 0x1)
/go/src/github.com/docker/docker/daemon/resize.go:49 + 0x314
github.com/docker/docker/daemon._Daemon.ContainerExecResizeยทfm(0xc20a836e00, 0x7f49bcd007d8)
/go/src/github.com/docker/docker/daemon/daemon.go:132 + 0x30
github.com/docker/docker/engine.(_Job).Run(0xc20a836e00, 0x0, 0x0)
/go/src/github.com/docker/docker/engine/job.go:83 + 0x837
github.com/docker/docker/api/server.postContainerExecResize(0xc208114fd0, 0xc20a55db27, 0x4, 0x7f49bcd08c58, 0xc209498320, 0xc209e
621a0, 0xc20a69c0c0, 0x0, 0x0)
/go/src/github.com/docker/docker/api/server/server.go:1170 + 0x2d1
github.com/docker/docker/api/server.funcยท002(0x7f49bcd08c58, 0xc209498320, 0xc209e621a0)
/go/src/github.com/docker/docker/api/server/server.go:1219 + 0x810
net / http.HandlerFunc.ServeHTTP (0xc2081b8280, 0x7f49bcd08c58, 0xc209498320, 0xc209e621a0)
/usr/local/go/src/pkg/net/http/server.go:1235 + 0x40
github.com/gorilla/mux.(_Router).ServeHTTP(0xc2080a3cc0, 0x7f49bcd08c58, 0xc209498320, 0xc209e621a0)
/go/src/github.com/docker/docker/vendor/src/github.com/gorilla/mux/mux.go:98 + 0x297
net / http.serverHandler.ServeHTTP (0xc208180480, 0x7f49bcd08c58, 0xc209498320, 0xc209e621a0)
/usr/local/go/src/pkg/net/http/server.go:1673 + 0x19f
net / http. (_ conn) .serve (0xc20a836300)
/usr/local/go/src/pkg/net/http/server.go:1174 + 0xa7e
net / http. (* Server) .Serve์—์„œ ์ƒ์„ฑ
/usr/local/go/src/pkg/net/http/server.go:1721 + 0x313

...

์ •๋ณด [0056] ์‚ญ์ œ /v1.16/containers/hoopla_docker_registry
์ •๋ณด [0056] + job rm (hoopla_docker_registry)
์ปจํ…Œ์ด๋„ˆ hoopla_docker_registry๋ฅผ ์ œ๊ฑฐ ํ•  ์ˆ˜ ์—†์Œ : ๋“œ๋ผ์ด๋ฒ„ devicemapper๊ฐ€ ๋ฃจํŠธ ํŒŒ์ผ ์‹œ์Šคํ…œ 6abcbfefe8bdd485dfb192f8926์„ ์ œ๊ฑฐํ•˜์ง€ ๋ชปํ–ˆ์Šต๋‹ˆ๋‹ค.
3add895cda1ae28b578d4a0d9b23574dedc5c : ์žฅ์น˜๊ฐ€ ์‚ฌ์šฉ ์ค‘์ž…๋‹ˆ๋‹ค.
์ •๋ณด -job rm (hoopla_docker_registry) = ERR (1)
ERRO DELETE / containers / { name :์„ ์œ„ํ•œ ํ•ธ๋“ค๋Ÿฌ
r devicemapper๊ฐ€ ๋ฃจํŠธ ํŒŒ์ผ ์‹œ์Šคํ…œ์„ ์ œ๊ฑฐํ•˜์ง€ ๋ชปํ–ˆ์Šต๋‹ˆ๋‹ค. 6abcbfefe8bdd485dfb192f89263add895cda1ae28b578d4a0d9b23574dedc5c : ์žฅ์น˜๊ฐ€ ์‚ฌ์šฉ ์ค‘์ž…๋‹ˆ๋‹ค.

ERRO [0066] HTTP ์˜ค๋ฅ˜ : statusCode = 500 ์ปจํ…Œ์ด๋„ˆ๋ฅผ ์‚ญ์ œํ•  ์ˆ˜ ์—†์Šต๋‹ˆ๋‹ค. hoopla_docker_registry : ๋“œ๋ผ์ด๋ฒ„ devicemapper๊ฐ€ ๋ฃจํŠธ ํŒŒ์ผ ์‹œ์Šคํ…œ์„ ์ œ๊ฑฐํ•˜์ง€ ๋ชปํ–ˆ์Šต๋‹ˆ๋‹ค. 6abcbfefe8bdd485dfb192f89263add895cda1ae28b578d4a0d9b23574dedc5c : ์žฅ์น˜๊ฐ€ ์‚ฌ์šฉ ์ค‘์ž…๋‹ˆ๋‹ค.

๋‚˜๋Š” ์šฐ๋ถ„ํˆฌ 14.04 (ec2)์—์„œ 1.4.1๊ณผ 1.5์—์„œ ์ด๊ฒƒ์„ ๋ณด์•˜์Šต๋‹ˆ๋‹ค. ๋„์ปค๋Š” Linux mint 17์—์„œ๋Š” ๋งค์šฐ ์‹ ๋ขฐํ•  ์ˆ˜ ์žˆ์ง€๋งŒ ์šฐ๋ถ„ํˆฌ 14.04๋ฅผ ์‚ฌ์šฉํ•˜๋Š” ๋นŒ๋“œ ์„œ๋ฒ„์—์„œ๋Š” ๋งค์šฐ ์‹ ๋ขฐํ•  ์ˆ˜ ์—†๊ธฐ ๋•Œ๋ฌธ์— ์ด์ƒํ•ฉ๋‹ˆ๋‹ค.

์ด ๋ฌธ์ œ๋Š” 0.9 ์ผ ์ดํ›„๋กœ ์กด์žฌํ•˜๋Š” ๊ฒƒ ๊ฐ™์•„์„œ devicemapper๋ฅผ ์‚ฌ์šฉํ•˜์ง€ ์•Š๋Š” ๋ฐฉ๋ฒ•์ด ์žˆ์Šต๋‹ˆ๊นŒ?

์ด๋Š” overlayfs์—์„œ๋„ ๋ฐœ์ƒํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

๊ธ€์Ž„, ๋‚˜๋Š” ๋ฐฉ๊ธˆ aufs๋กœ ๋ฐ”๋€Œ์—ˆ๊ณ  ์ง€๊ธˆ๊นŒ์ง€ ์•„๋ฌด๋Ÿฐ ๋ฌธ์ œ๊ฐ€ ์—†์Šต๋‹ˆ๋‹ค.

์ด ๋ฌธ์ œ์˜ ์ƒํƒœ๋Š” ์–ด๋–ป์Šต๋‹ˆ๊นŒ? ๊ด€๋ จ ๋  ์ˆ˜์žˆ๋Š” ์ผ๋ถ€ PR์ด ๋ณ‘ํ•ฉ๋˜๋Š” ๊ฒƒ์„ ๋ณด์•˜์ง€๋งŒ ๋ช…ํ™•ํ•˜๊ฒŒ ์–ธ๊ธ‰ ๋œ ๊ฒƒ์€์ด ๋ฌธ์ œ๋ฅผ ํ•ด๊ฒฐํ•˜์ง€ ๋ชปํ–ˆ์Šต๋‹ˆ๋‹ค. ์ด๊ฒƒ์€ ํ”„๋กœ๋•์…˜์—์„œ _major_ ๋ฌธ์ œ์ด๋ฉฐ ํ˜„์žฌ ์œ ์ผํ•œ ํ•ด๊ฒฐ ๋ฐฉ๋ฒ•์€ init ์Šคํฌ๋ฆฝํŠธ๋ฅผ ํŒจ์น˜ํ•˜์—ฌ ๋“œ๋ผ์ด๋ธŒ๋ฅผ ์™„์ „ํžˆ ๋งˆ์šดํŠธ ํ•ด์ œํ•˜๋Š” ๊ฒƒ์ž…๋‹ˆ๋‹ค.

์ด๊ฒƒ์„ ๋‹ค์‹œ ๊ฒ€ํ†  ํ•œ ํ›„, ์ด๊ฒƒ์€ ์šฐ๋ฆฌ๊ฐ€ ์›๋ž˜ ๋งํ–ˆ๋˜ EBUSY ์˜ ์ด์ƒ์ ์ธ ์˜ˆ๊ฐ€ ์•„๋‹™๋‹ˆ๋‹ค.
์ด ๊ฒฝ์šฐ๋Š” ์‹ ํ˜ธ๋ฅผ ์ •์ƒ์ ์œผ๋กœ ์ฒ˜๋ฆฌํ•˜์ง€ ์•Š๋Š” ์ปจํ…Œ์ด๋„ˆ์˜ pid์™€ ๋” ๊ด€๋ จ์ด ์žˆ์Šต๋‹ˆ๋‹ค.

๋ฐ๋ชฌ์ด ์ข…๋ฃŒ ๋  ๋•Œ tail -f /dev/null ์˜ ๋ณต์ œ ์‚ฌ๋ก€๊ฐ€ SIGQUIT ์—์„œ ์ข…๋ฃŒ๋˜์ง€ ์•Š๊ธฐ ๋•Œ๋ฌธ์— devmapper ๋“œ๋ผ์ด๋ฒ„๊ฐ€ ์ œ๋Œ€๋กœ ๋ถ„ํ•ด๋˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค (devmapper์—๋งŒ ํ•ด๋‹น๋˜์ง€ ์•Š์Œ). ๋ฐ๋ชฌ์ด ๋‹ค์‹œ ์‹œ์ž‘๋˜๊ธฐ ์ „์— docker๊ฐ€ ์‹คํ–‰๋˜์ง€ ์•Š์€ ๊ฒฝ์šฐ์—๋„ tail -f /dev/null ์—ฌ์ „ํžˆ ์‹คํ–‰์ค‘์ธ ๊ฒƒ์„ ๋ณผ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

์ด์™€ ๊ฐ™์€ ๋ฌธ์ œ๋Š” ๋„์ปค ์ข…๋ฃŒ์‹œ ์ปจํ…Œ์ด๋„ˆ์˜ pid๋ฅผ ์–ผ๋งˆ๋‚˜ ๊ณผ๊ฐํ•˜๊ฒŒ ์ฒ˜๋ฆฌํ•ด์•ผํ•˜๋Š”์ง€์— ๋Œ€ํ•œ ์ƒ๊ฐ์ด ํ•„์š”ํ•ฉ๋‹ˆ๋‹ค ... @unclejack @crosbymichael ์ƒ๊ฐ?

Fedora 21 x86_64์—์„œ ํ…Œ์ŠคํŠธํ–ˆ์Šต๋‹ˆ๋‹ค. ๋ฌธ์ œ๊ฐ€ ์กด์žฌํ•˜์ง€ ์•Š๋Š” ๊ฒƒ ๊ฐ™๊ธฐ ๋•Œ๋ฌธ์— ๋น„๊ต ๋ชฉ์ ์œผ๋กœ ๋งŒ ์ •๋ณด๋ฅผ ์ œ๊ณตํ•ฉ๋‹ˆ๋‹ค (๋” ์ด์ƒ?). centos : 7 ๋˜๋Š” ubuntu : trusty ์ด๋ฏธ์ง€๋ฅผ ์‚ฌ์šฉํ•œ ๋™์ผํ•œ ๊ฒฐ๊ณผ.

$ docker run -d centos:7 tail -f /dev/null
ec496f1a6738430972b79e5f3c9fdbf2527e55817d4638678e3b0dd486191203

$ systemctl stop docker

$ ps ax | grep tail
14681 ?        Ss     0:00 tail -f /dev/null
14738 pts/9    S+     0:00 grep --color=auto tail

$ systemctl start docker

$ docker ps -q

$ docker ps -a -q
ec496f1a6738

$ docker start ec496f1a6738
ec496f1a6738

$ docker rm ec496f1a6738
Error response from daemon: Conflict, You cannot remove a running container. Stop the container before attempting removal or use -f
FATA[0000] Error: failed to remove one or more containers 

$ docker stop ec496f1a6738
ec496f1a6738

$ docker rm ec496f1a6738
ec496f1a6738

$ docker ps
CONTAINER ID        IMAGE               COMMAND             CREATED             STATUS              PORTS               NAMES

์‹œ์Šคํ…œ ์ •๋ณด:

$ uname -a
Linux localhost 3.18.9-200.fc21.x86_64 #1 SMP Mon Mar 9 15:10:50 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux

$ rpm -q device-mapper docker-io
device-mapper-1.02.93-3.fc21.x86_64
docker-io-1.5.0-1.fc21.x86_64

$ docker version
Client version: 1.5.0
Client API version: 1.17
Go version (client): go1.3.3
Git commit (client): a8a31ef/1.5.0
OS/Arch (client): linux/amd64
Server version: 1.5.0
Server API version: 1.17
Go version (server): go1.3.3
Git commit (server): a8a31ef/1.5.0

Docker 1.5, Ubuntu 14.04์—์„œ ์‹คํ–‰ํ•˜์‹ญ์‹œ์˜ค.
root@ip-10-148-25-50:~# docker start service Error response from daemon: Cannot start container service: Error getting container f3a7515112a0b5af94b0520844ef8c586763d2051b41b1db90e4c4efbd07e774 from driver devicemapper: Error mounting '/dev/mapper/docker-202:1-153948-f3a7515112a0b5af94b0520844ef8c586763d2051b41b1db90e4c4efbd07e774' on '/var/lib/docker/devicemapper/mnt/f3a7515112a0b5af94b0520844ef8c586763d2051b41b1db90e4c4efbd07e774': device or resource busy FATA[0000] Error: failed to start one or more containers

umount /var/lib/docker/devicemapper/mnt/f3a7515112a0b5af94b0520844ef8c586763d2051b41b1db90e4c4efbd07e774 ํ•˜๋Š” ๊ฒƒ์ด ๋„์›€์ด๋˜์—ˆ์Šต๋‹ˆ๋‹ค.

Docker 1.5.0, Centos7.0์—์„œ ๋™์ผํ•œ ๋ฌธ์ œ๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค.

[vagrant<strong i="6">@localhost</strong> ~]$  sudo systemctl start docker
[vagrant<strong i="7">@localhost</strong> ~]$  sudo docker ps -a
CONTAINER ID        IMAGE               COMMAND                CREATED             STATUS                        PORTS               NAMES
5189b16c0917        mongo:3             "/entrypoint.sh mong   35 minutes ago      Exited (128) 29 minutes ago                       mongod
[vagrant<strong i="8">@localhost</strong> ~]$ sudo docker inspect 5189b16c0917 | grep Error
        "Error": "Error getting container 5189b16c0917ff1f87b8aa8ab2e86953887d0e65ad95d0637b0f2213222d55e6 from driver devicemapper: Error mounting '/dev/mapper/docker-253:1-134,

umount๊ฐ€ ์‹คํŒจํ•ฉ๋‹ˆ๋‹ค.

[vagrant<strong i="12">@localhost</strong> ~]$ sudo stat /var/lib/docker/devicemapper/mnt/5189b16c0917ff1f87b8aa8ab2e86953887d0e65ad95d0637b0f2213222d55e6
  File: `/var/lib/docker/devicemapper/mnt/5189b16c0917ff1f87b8aa8ab2e86953887d0e65ad95d0637b0f2213222d55e6'
  Size: 6               Blocks: 0          IO Block: 4096   ใƒ‡ใ‚ฃใƒฌใ‚ฏใƒˆใƒช
Device: fd01h/64769d    Inode: 201732136   Links: 2
Access: (0755/drwxr-xr-x)  Uid: (    0/    root)   Gid: (    0/    root)
Access: 2015-03-21 20:36:14.407505308 +0900
Modify: 2015-03-21 20:16:58.863146490 +0900
Change: 2015-03-21 20:16:58.863146490 +0900
 Birth: -
[vagrant<strong i="13">@localhost</strong> ~]$ sudo umount /var/lib/docker/devicemapper/mnt/5189b16c0917ff1f87b8aa8ab2e86953887d0e65ad95d0637b0f2213222d55e6
umount: /var/lib/docker/devicemapper/mnt/5189b16c0917ff1f87b8aa8ab2e86953887d0e65ad95d0637b0f2213222d55e6: not mounted
[vagrant<strong i="14">@localhost</strong> ~]$ grep docker /proc/mounts
(no results)

ํ™˜๊ฒฝ

[vagrant<strong i="18">@localhost</strong> ~]$ cat /etc/centos-release
CentOS Linux release 7.0.1406 (Core)
[vagrant<strong i="19">@localhost</strong> ~]$ uname -a
Linux localhost.localdomain 3.10.0-123.20.1.el7.x86_64 #1 SMP Thu Jan 29 18:05:33 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
[vagrant<strong i="20">@localhost</strong> ~]$ sudo docker version
Client version: 1.5.0
Client API version: 1.17
Go version (client): go1.3.3
Git commit (client): a8a31ef/1.5.0
OS/Arch (client): linux/amd64
Server version: 1.5.0
Server API version: 1.17
Go version (server): go1.3.3
Git commit (server): a8a31ef/1.5.0

[vagrant<strong i="21">@localhost</strong> ~]$ rpm -qi docker
Name        : docker
Version     : 1.5.0
Release     : 1.el7
Architecture: x86_64
Install Date: 2015ๅนด03ๆœˆ21ๆ—ฅ 20ๆ™‚04ๅˆ†29็ง’
Group       : Unspecified
Size        : 27215826
License     : ASL 2.0
Signature   : (none)
Source RPM  : docker-1.5.0-1.el7.src.rpm
Build Date  : 2015ๅนด02ๆœˆ12ๆ—ฅ 05ๆ™‚10ๅˆ†39็ง’
Build Host  : c1bj.rdu2.centos.org
Relocations : (not relocatable)
Packager    : CBS <[email protected]>
Vendor      : CentOS
URL         : http://www.docker.com
Summary     : Automates deployment of containerized applications
Description :
Docker is an open-source engine that automates the deployment of any
application as a lightweight, portable, self-sufficient container that will
run virtually anywhere.

CentOS7 ๊ณต์‹ ์ €์žฅ์†Œ์—์„œ docker 1.3.2๋กœ ์žฌํ˜„ํ•ฉ๋‹ˆ๋‹ค.

$ rpm -qi docker
Name        : docker
Version     : 1.3.2
Release     : 4.el7.centos
Architecture: x86_64
Install Date: 2015ๅนด03ๆœˆ22ๆ—ฅ 02ๆ™‚44ๅˆ†58็ง’
Group       : Unspecified
Size        : 25505685
License     : ASL 2.0
Signature   : RSA/SHA256, 2014ๅนด12ๆœˆ11ๆ—ฅ 04ๆ™‚21ๅˆ†03็ง’, Key ID 24c6a8a7f4a80eb5
Source RPM  : docker-1.3.2-4.el7.centos.src.rpm
Build Date  : 2014ๅนด12ๆœˆ11ๆ—ฅ 04ๆ™‚15ๅˆ†49็ง’
Build Host  : worker1.bsys.centos.org
Relocations : (not relocatable)
Packager    : CentOS BuildSystem <http://bugs.centos.org>
Vendor      : CentOS
URL         : http://www.docker.com
Summary     : Automates deployment of containerized applications

๋„์ปค 1.5.0์— ๋™์ผํ•œ ๋ฒ„๊ทธ๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค.
Error response from daemon: Cannot destroy container 485bf8d6502a: Driver devicemapper failed to remove root filesystem 485bf8d6502a6cf448075d20c529eb24f09a41946a5dd1c61a99e17

์—ฌ๊ธฐ์„œ๋„ ๊ฐ™์€ ๋ฌธ์ œ๋ฅผ ์žฌํ˜„ํ•˜๊ธฐ ์‰ฝ์Šต๋‹ˆ๋‹ค.

docker run -it --name busybox --rm busybox tail -f /dev/null

On another shell:

root<strong i="6">@staging5</strong>:/home/shopmedia #service docker stop
Stopping docker:                                           [  OK  ]
root<strong i="7">@staging5</strong>:/home/shopmedia #service docker start
Starting docker:                                           [  OK  ]
root<strong i="8">@staging5</strong>:/home/shopmedia #docker rm -f busybox
Error response from daemon: Cannot destroy container busybox: Driver devicemapper failed to remove root filesystem 124cd3329e0fafa6be2a284b36a75571666745436c601a702a4beedb75adc7c0: Device is Busy
FATA[0011] Error: failed to remove one or more containers

ํ™˜๊ฒฝ

docker version
Client version: 1.4.1
Client API version: 1.16
Go version (client): go1.3.3
Git commit (client): 5bc2ff8/1.4.1
OS/Arch (client): linux/amd64
Server version: 1.4.1
Server API version: 1.16
Go version (server): go1.3.3
Git commit (server): 5bc2ff8/1.4.1

cat /etc/centos-release
CentOS release 6.6 (Final)

cat /proc/version
Linux version 2.6.32-504.8.1.el6.x86_64 ([email protected]) (gcc version 4.4.7 20120313 (Red Hat 4.4.7-11) (GCC) ) #1 SMP Wed Jan 28 21:11:36 UTC 2015

rpm -q device-mapper
device-mapper-1.02.90-2.el6_6.1.x86_64

ํŽธ์ง‘ : ๋‚˜๋ฅผ์œ„ํ•œ ์œ ์ผํ•œ ํ•ด๊ฒฐ ๋ฐฉ๋ฒ•์€ unshare ๋ช…๋ น์œผ๋กœ /etc/init.d/docker, ์ค„ 50์„ ์—…๋ฐ์ดํŠธํ•˜๋Š” ๊ฒƒ์ž…๋‹ˆ๋‹ค. ์ˆ˜์ • ์€ @vbatts ์— ์˜ํ•ด ์ œ๊ณต๋˜์—ˆ์Šต๋‹ˆ๋‹ค. ๊ฐ์‚ฌํ•ฉ๋‹ˆ๋‹ค btw
๊ทธ๋Ÿฌ๋‚˜์ด ์ˆ˜์ •์€ ํ™•์žฅ ๊ฐ€๋Šฅํ•˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค. ์šฐ๋ฆฌ๊ฐ€ ์†Œ์œ  ํ•œ ๋ชจ๋“  ๋จธ์‹ ์„ ์—…๋ฐ์ดํŠธํ•˜๊ณ  ์‹ถ์ง€๋Š” ์•Š์Šต๋‹ˆ๋‹ค. + ๋‹ค์Œ์— ๋„์ปค๋ฅผ ์—…๋ฐ์ดํŠธํ•˜๋ฉด ์ง€์›Œ์ง‘๋‹ˆ๋‹ค.

  1. ๋‹ค๋ฅธ ์˜ต์…˜์€ ๋ฌด์—‡์ž…๋‹ˆ๊นŒ?
  2. ๊ณ ์ • ๋„์ปค ์ชฝ์ด ๋‚˜์˜ค๋‚˜์š”?
  3. ๋ชจ๋“  ์šด์˜ ์ฒด์ œ์— ์˜ํ–ฅ์„ ์ค๋‹ˆ๊นŒ?
  4. ๋ชจ๋“  ์ปค๋„์— ์˜ํ–ฅ์„ ์ค๋‹ˆ๊นŒ?

๊ฐ์‚ฌ

https://github.com/docker/docker/pull/12400 ์ด ์ด๊ฒƒ์„ ๊ณ ์น  ๊ฒƒ์ด๋ผ๊ณ  ์ƒ๊ฐํ•ฉ๋‹ˆ๋‹ค. ์ด๋Š” ๋„์ปค ๋ฐ๋ชฌ ์ข…๋ฃŒ๋กœ ์ธํ•ด ์‹คํ–‰์ค‘์ธ ์ปจํ…Œ์ด๋„ˆ๊ฐ€ ์ •๋ฆฌ๋˜์ง€ ์•Š๊ณ  (์ปจํ…Œ์ด๋„ˆ๊ฐ€ 10 ์ดˆ ๋‚ด์— ์ข…๋ฃŒ๋˜์ง€ ์•Š์œผ๋ฉด ์ปจํ…Œ์ด๋„ˆ์˜ rootfs๊ฐ€ ๊ณ„์† ๋งˆ์šดํŠธ ๋จ) ๋‹ค์Œ ์‹œ์ž‘์‹œ ๋ฐ๋ชฌ์„ ์ œ๊ฑฐ ํ•  ์ˆ˜ ์—†๊ธฐ ๋•Œ๋ฌธ์ž…๋‹ˆ๋‹ค. (์˜ค๋ฒ„๋ ˆ์ด ํ…Œ์ŠคํŠธ)

๊ฐ์‚ฌํ•ฉ๋‹ˆ๋‹ค @ coolljt0725 .

1) ์–ด๋–ค ๋ฒ„์ „์˜ docker๊ฐ€ ๊ตฌํ˜„๋ฉ๋‹ˆ๊นŒ?
2) ๋‹ค๋ฅธ ์˜ต์…˜์€ ๋ฌด์—‡์ž…๋‹ˆ๊นŒ?
3) ๋ชจ๋“  ์šด์˜ ์ฒด์ œ์— ์˜ํ–ฅ์„ ์ค๋‹ˆ๊นŒ?
4) ๋ชจ๋“  ์ปค๋„์— ์˜ํ–ฅ์„ ์ค๋‹ˆ๊นŒ?

๊ฐ์‚ฌ

umount ํ•ด๊ฒฐ ๋ฐฉ๋ฒ•์€ +1์ž…๋‹ˆ๋‹ค. ๋„์ปค 1.6.0, ๋นŒ๋“œ 4749651์—์„œ ๋‚˜์—๊ฒŒ ์ผ์–ด๋‚ฌ์Šต๋‹ˆ๋‹ค.
์„œ๋น„์Šค ๋„์ปค๋ฅผ ๋‹ค์‹œ ์‹œ์ž‘ํ•ด๋„ ๋ฌธ์ œ๊ฐ€ ํ•ด๊ฒฐ๋˜์ง€ ์•Š์•˜์Šต๋‹ˆ๋‹ค. ๋ฌธ์ œ๊ฐ€์žˆ๋Š” '๋ณผ๋ฅจ'์„ ์ œ๊ฑฐํ•˜์—ฌ ๋ฌธ์ œ๋ฅผ ํ•ด๊ฒฐํ–ˆ์Šต๋‹ˆ๋‹ค.

Docker 1.6.1 (Ubuntu 14.04)์—๋Š” ์—ฌ์ „ํžˆ์ด ๋ฌธ์ œ๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค. umount ์ž‘๋™ํ•ฉ๋‹ˆ๋‹ค.

Docker 1.6.2 (Ubuntu 14.04) umount ๊ฐ€ ์ž‘๋™ํ•˜์ง€ ์•Š์Œ

Docker 1.7.0 Centos 6.5์—๋Š” ์—ฌ์ „ํžˆ ๋™์ผํ•œ ๋ฌธ์ œ๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค.

Docker 1.7๋กœ ์—…๊ทธ๋ ˆ์ด๋“œ ํ•œ ํ›„ Centos 6.3์—์„œ ๋ฐฉ๊ธˆ ์ด๊ฒƒ์„ ์–ป์—ˆ์Šต๋‹ˆ๋‹ค. ์—…๊ทธ๋ ˆ์ด๋“œ๋Š” Docker๋ฅผ ๋‹ค์‹œ ์‹œ์ž‘ํ–ˆ์œผ๋ฉฐ ์ปจํ…Œ์ด๋„ˆ๋ฅผ ๋‹ค์‹œ ์‹œ์ž‘ํ•˜๋ ค๊ณ  ํ•  ๋•Œ ๋ชจ๋“  node.js ์ปจํ…Œ์ด๋„ˆ๊ฐ€ ๋‹ค์‹œ ์‹œ์ž‘๋˜์—ˆ์ง€๋งŒ uwsgi๋ฅผ ์‹คํ–‰ํ•˜๋Š” ์ปจํ…Œ์ด๋„ˆ๋Š” ์˜ค๋ฅ˜๋ฅผ ๋ฐœ์ƒ์‹œํ‚ต๋‹ˆ๋‹ค.

# docker start 48596c91d263
Error response from daemon: Cannot start container 48596c91d263: Error getting container 48596c91d263e44201f9141e7bc701ab9e11fe691c61eadc95019fcfa0e4a549 from driver devicemapper: Error mounting '/dev/mapper/docker-8:17-262147-48596c91d263e44201f9141e7bc701ab9e11fe691c61eadc95019fcfa0e4a549' on '/local/docker/devicemapper/mnt/48596c91d263e44201f9141e7bc701ab9e11fe691c61eadc95019fcfa0e4a549': device or resource busy

umount /local/docker/devicemapper/mnt/48596c91d263e44201f9141e7bc701ab9e11fe691c61eadc95019fcfa0e4a549 ํ•ด๋„ ๋ฌธ์ œ๊ฐ€ ํ•ด๊ฒฐ๋˜์ง€ ์•Š์•˜์Šต๋‹ˆ๋‹ค.

๋ฐ๋น„์•ˆ์—์„œ๋„ ๋งˆ์ฐฌ๊ฐ€์ง€์ž…๋‹ˆ๋‹ค. ์™„์ „ํžˆ ์‹ ์„ ํ•œ hello-world ์ด๋ฏธ์ง€๋ฅผ ๊ฐ€์ ธ ์˜ค๋Š” ๊ฒฝ์šฐ์—๋„ ์ปจํ…Œ์ด๋„ˆ๋ฅผ ์‹œ์ž‘ํ•  ์ˆ˜ ์—†์Šต๋‹ˆ๋‹ค.

root<strong i="6">@vamp1</strong>:~# docker run hello-world
Unable to find image 'hello-world:latest' locally
latest: Pulling from hello-world
a8219747be10: Pull complete 
91c95931e552: Already exists 
hello-world:latest: The image you are pulling has been verified. Important: image verification is a tech preview feature and should not be relied on to provi
de security.
Digest: sha256:aa03e5d0d5553b4c3473e89c8619cf79df368babd18681cf5daeb82aab55838d
Status: Downloaded newer image for hello-world:latest
Error response from daemon: Cannot start container 69be8cff86828d1f4ca3db9eeeeb1a8891ce1e305bd07847108750a0051846ff: device or resource busy
Client version: 1.7.0
Client API version: 1.19
Go version (client): go1.4.2
Git commit (client): 0baf609
OS/Arch (client): linux/amd64
Server version: 1.7.0
Server API version: 1.19
Go version (server): go1.4.2
Git commit (server): 0baf609
OS/Arch (server): linux/amd64
PRETTY_NAME="Debian GNU/Linux 7 (wheezy)"
NAME="Debian GNU/Linux"
VERSION_ID="7"
VERSION="7 (wheezy)"

@tnolet docker info ์ถœ๋ ฅ์„ ์ œ๊ณตํ•˜์‹ญ์‹œ์˜ค.

@unclejack ๋‚ด ํ˜ธ์ŠคํŠธ์˜ docker info ์€

$ docker info
Containers: 24
Images: 128
Storage Driver: devicemapper
 Pool Name: docker-8:17-262147-pool
 Pool Blocksize: 65.54 kB
 Backing Filesystem: extfs
 Data file: 
 Metadata file: 
 Data Space Used: 2.897 GB
 Data Space Total: 107.4 GB
 Data Space Available: 104.5 GB
 Metadata Space Used: 7.918 MB
 Metadata Space Total: 2.147 GB
 Metadata Space Available: 2.14 GB
 Udev Sync Supported: true
 Deferred Removal Enabled: false
 Library Version: 1.02.89-RHEL6 (2014-09-01)
Execution Driver: native-0.2
Logging Driver: json-file
Kernel Version: 3.10.81-1.el6.elrepo.x86_64
Operating System: <unknown>
CPUs: 4
Total Memory: 7.812 GiB
Name: radioedit-app101
ID: RY22:ODAC:5NT5:MSBZ:Y52X:L33V:UCHA:IOIL:SR23:YX3U:IILJ:J44R
WARNING: No swap limit support

@tdterry RHEL 6 ๋ฐ CentOS 6์€ ๋” ์ด์ƒ Docker์™€ ํ•จ๊ป˜ ์‚ฌ์šฉํ•˜๊ธฐ ์œ„ํ•ด Red Hat์—์„œ ์ง€์›๋˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค. RHEL 7 ๋˜๋Š” CentOS 7๋กœ ์—…๊ทธ๋ ˆ์ด๋“œํ•˜์‹ญ์‹œ์˜ค.

Docker๋Š” ๊ณต์‹์ ์œผ๋กœ Centos 6.5 (https://docs.docker.com/installation/centos/)๋ฅผ ์ง€์›ํ•ฉ๋‹ˆ๋‹ค. ๋˜ํ•œ ์ปค๋„์„ 3.10์œผ๋กœ ์—…๋ฐ์ดํŠธํ–ˆ์Šต๋‹ˆ๋‹ค. ์—ฌ๊ธฐ์—์žˆ๋Š” ๋‹ค๋ฅธ ์‚ฌ๋žŒ๋“ค์€ CentOS 7์—๋„ ์˜ค๋ฅ˜๊ฐ€ ์žˆ๋‹ค๊ณ ๋ณด๊ณ ํ•ฉ๋‹ˆ๋‹ค. CentOS ๋ฒ„์ „ ๋ฌธ์ œ๋ณด๋‹ค devicemapper ๋ฌธ์ œ์ฒ˜๋Ÿผ ๋ณด์ž…๋‹ˆ๋‹ค. CentOS 7๋กœ ์—…๊ทธ๋ ˆ์ด๋“œํ•˜๋ฉด ๋‹ค๋ฅธ ์ผ์ด ์ผ์–ด๋‚  ๊ฒƒ์ด๋ผ๊ณ  ๋ฏฟ์„ ์ด์œ ๊ฐ€ ์—†์Šต๋‹ˆ๋‹ค.

๋‚˜๋Š” CentOS 7, Docker ๋ฒ„์ „ 1.6.0์—์„œ ์ด๊ฒƒ์„ ๊ฐ€์ง€๊ณ  ์žˆ์—ˆ๊ณ  devicemapper๋กœ 4749651์„ ๋นŒ๋“œํ–ˆ์Šต๋‹ˆ๋‹ค. ๋‚ด 15 ๊ฐœ์˜ ์ปจํ…Œ์ด๋„ˆ๊ฐ€ ๋ชจ๋‘ ์ถ”๋ฝํ–ˆ์Šต๋‹ˆ๋‹ค. ๋งค๋‹ฌ๋ฆฐ ์ด๋ฏธ์ง€๋ฅผ ์ œ๊ฑฐํ•˜๋ ค๊ณ ํ•˜๋Š”๋ฐ ๊ฐ™์€ ์˜ค๋ฅ˜๊ฐ€ ๋ฐœ์ƒํ•ฉ๋‹ˆ๋‹ค.

Error response from daemon: Cannot destroy container: Driver devicemapper failed to remove root filesystem : Device is Busy
Containers: 25
Images: 237
Storage Driver: devicemapper
 Pool Name: docker-253:2-8594920394-pool
 Pool Blocksize: 65.54 kB
 Backing Filesystem: xfs
 Data file: 
 Metadata file: 
 Data Space Used: 22.03 GB
 Data Space Total: 107.4 GB
 Data Space Available: 85.34 GB
 Metadata Space Used: 25.47 MB
 Metadata Space Total: 2.147 GB
 Metadata Space Available: 2.122 GB
 Udev Sync Supported: false
 Library Version: 1.02.82-git (2013-10-04)
Execution Driver: native-0.2
Kernel Version: 3.10.0-229.4.2.el7.x86_64
Operating System: CentOS Linux 7 (Core)
CPUs: 24
Total Memory: 141.5 GiB
Name: localhost.localdomain

๋ฐ๋ชฌ์ด ์ค‘์ง€ ๋œ @amalagaura ์—์„œ mount | grep docker ์‹คํ–‰ํ•˜๋ฉด ๋ช‡ ๊ฐœ์˜ ๋””๋ ‰ํ„ฐ๋ฆฌ๊ฐ€ ๋งˆ์šดํŠธ ๋œ ๊ฒƒ์œผ๋กœ ํ‘œ์‹œ ๋  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค (์˜ˆ /dev/mapper/docker-253:2-7995406-6296eddc5eaca30246c02d9b9c956161825bd7e92882a357214e091feba6f9b0 on ... ). ๋จผ์ € umount ํ•œ ๋‹ค์Œ ๋ฐ๋ชฌ์„ ๋‹ค์‹œ ์‹œ์ž‘ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ๋ฌธ์ œ๊ฐ€ ์—ฌ์ „ํžˆ ์กด์žฌํ•˜๋Š” ๊ฒฝ์šฐ dmsetup ls | grep docker ๋ฐ docker-253:2-7995406-6296eddc5eaca30246c02d9b9c956161825bd7e92882a357214e091feba6f9b0 (253:5) ์™€ ๊ฐ™์€ ํ•ญ๋ชฉ์„ ํ™•์ธํ•ฉ๋‹ˆ๋‹ค. ๊ทธ ์ค‘ dmsetup remove docker-253:2-7995406-6296eddc5eaca30246c02d9b9c956161825bd7e92882a357214e091feba6f9b0 ์ „ํ™” ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

@vbatts ๋„์›€์„ ์ฃผ์…”์„œ ๊ฐ์‚ฌํ•ฉ๋‹ˆ๋‹ค. ์šฐ๋ฆฌ์˜ ์ง„์งœ ๋ฌธ์ œ๋Š” 15 ๋Œ€์˜ ๋จธ์‹ ์œผ๋กœ ๊ตฌ์„ฑ๋œ ํ”„๋กœ๋•์…˜ ํด๋Ÿฌ์Šคํ„ฐ๊ฐ€ ๋ง‰ ์ฃฝ์—ˆ๋‹ค๋Š” ๊ฒƒ์ž…๋‹ˆ๋‹ค. ์ด๊ฒƒ์€ ๋‹ค๋ฅธ ๋…ผ์˜์ด์ง€๋งŒ docker์— ๋Œ€ํ•œ ์ง€์›์„ ์›ํ•œ๋‹ค๋ฉด ์–ด๋–ป๊ฒŒํ•ด์•ผํ•ฉ๋‹ˆ๊นŒ?

1.7๋กœ ์—…๊ทธ๋ ˆ์ด๋“œ ํ•œ ํ›„์—๋„ ๋น„์Šทํ•œ ๋ฌธ์ œ๊ฐ€ ๋ฐœ์ƒํ–ˆ์œผ๋ฉฐ elementaryOS์˜ 1.6.2์—์„œ ์ •์ƒ์ ์œผ๋กœ ์ž‘๋™ํ–ˆ์Šต๋‹ˆ๋‹ค.

๋‚ด๊ฐ€ ์–ด๋–ค ์ปจํ…Œ์ด๋„ˆ๋ฅผ ์‹œ์ž‘ํ•  ๋•Œ๋งˆ๋‹ค, ๋‚˜๋Š” ๋ฉ”์‹œ์ง€๊ฐ€

๋ฐ๋ชฌ์˜ ์˜ค๋ฅ˜ ์‘๋‹ต : ์ปจํ…Œ์ด๋„ˆ๋ฅผ ์‹œ์ž‘ํ•  ์ˆ˜ ์—†์Šต๋‹ˆ๋‹ค. 560640442c770dff574f5af7b6cdcc8e86ba8a613db87bf90a77aea7f0db322a : ์žฅ์น˜ ๋˜๋Š” ๋ฆฌ์†Œ์Šค ์‚ฌ์šฉ ์ค‘

docker, rm -rf / var / lib / docker๋ฅผ ์ œ๊ฑฐํ–ˆ์œผ๋ฉฐ ์ƒˆ๋กœ ์„ค์น˜ํ•ด๋„ hello-world ์ด๋ฏธ์ง€๋ฅผ ์‹คํ–‰ํ•  ๋•Œ ๋™์ผํ•œ ์˜ค๋ฅ˜๊ฐ€ ๋ฐœ์ƒํ•ฉ๋‹ˆ๋‹ค.

๋˜ํ•œ ์‹œ๋„๊ฐ€ ์‹คํŒจ ํ•  ๋•Œ๋งˆ๋‹ค ํด๋”๊ฐ€ / var / docker / lib / aufs / mnt์— ์Œ“์ด๋Š” ๊ฒƒ์„ ๋ฐœ๊ฒฌํ–ˆ์Šต๋‹ˆ๋‹ค.

๋‚˜๋Š” ์ด๊ฒƒ์„ ๋งค์šฐ ์ž์ฃผ ์น˜๊ณ  ์žˆ์œผ๋ฉฐ devicemapper๊ฐ€ ์•„๋‹Œ aufs๋ฅผ ์‚ฌ์šฉํ•˜๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.

$ sudo docker info
Containers: 3
Images: 2278
Storage Driver: aufs
 Root Dir: /var/lib/docker/aufs
 Backing Filesystem: extfs
 Dirs: 2284
 Dirperm1 Supported: false
Execution Driver: native-0.2
Logging Driver: json-file
Kernel Version: 3.5.0-54-generic
Operating System: Ubuntu precise (12.04.2 LTS)
CPUs: 8
Total Memory: 7.725 GiB
Name: (omitted)
ID: DWS4:G2M5:XD2Q:CQKA:5OXF:I3RB:6M6F:GUVO:NUFM:KKTF:4RB2:X3HP

์ œ๊ณต ํ•  ์ˆ˜์žˆ๋Š” ๋””๋ฒ„๊น… ์ •๋ณด๊ฐ€ ๋” ์žˆ์œผ๋ฉด ์•Œ๋ ค์ฃผ์„ธ์š”.

๊ฐ™์€ ๋ฌธ์ œ๊ฐ€ ๋ณด์ž…๋‹ˆ๋‹ค. umount ๊ฐ€ ์ž‘๋™ํ•˜์ง€ ์•Š๊ณ  ํด๋”๊ฐ€ ๋งˆ์šดํŠธ๋˜์ง€ ์•Š์•˜๋‹ค๊ณ  ํ‘œ์‹œ๋ฉ๋‹ˆ๋‹ค. ๋„์ปค 1.5.0์—์„œ ์ด๊ฒƒ์„ ๊ด€์ฐฐ ํ•œ ๋‹ค์Œ ๋™์ผํ•œ ํšจ๊ณผ๋กœ 1.7.1๋กœ ์—…๋ฐ์ดํŠธํ–ˆ์Šต๋‹ˆ๋‹ค.

$ docker info
Containers: 15
Images: 91
Storage Driver: devicemapper
 Pool Name: docker-202:1-149995-pool
 Pool Blocksize: 65.54 kB
 Backing Filesystem: extfs
 Data file: 
 Metadata file: 
 Data Space Used: 2.225 GB
 Data Space Total: 107.4 GB
 Data Space Available: 105.1 GB
 Metadata Space Used: 5.03 MB
 Metadata Space Total: 2.147 GB
 Metadata Space Available: 2.142 GB
 Udev Sync Supported: false
 Deferred Removal Enabled: false
 Library Version: 1.02.82-git (2013-10-04)
Execution Driver: native-0.2
Logging Driver: json-file
Kernel Version: 3.13.0-40-generic
Operating System: Ubuntu 14.04.1 LTS
CPUs: 1
Total Memory: 3.676 GiB
WARNING: No swap limit support

์šฐ๋ถ„ํˆฌ 14.04์—์„œ ๋˜‘๊ฐ™์ด๋ณด๊ธฐ

$ docker info
Containers: 6
Images: 537
Storage Driver: devicemapper
 Pool Name: docker-8:1-262623-pool
 Pool Blocksize: 65.54 kB
 Backing Filesystem: extfs
 Data file:
 Metadata file:
 Data Space Used: 7.546 GB
 Data Space Total: 107.4 GB
 Data Space Available: 99.83 GB
 Metadata Space Used: 19.05 MB
 Metadata Space Total: 2.147 GB
 Metadata Space Available: 2.128 GB
 Udev Sync Supported: false
 Deferred Removal Enabled: false
 Library Version: 1.02.82-git (2013-10-04)
Execution Driver: native-0.2
Logging Driver: json-file
Kernel Version: 3.13.0-52-generic
Operating System: Ubuntu 14.04.2 LTS
CPUs: 2
Total Memory: 2.939 GiB
Name: test-app
ID: F5T4:5AIR:TDBZ:DGH4:WBFT:ZX6A:FVSA:DI4O:5HE2:CJIV:VVLZ:TGDS
WARNING: No swap limit support
$ docker version
Client version: 1.7.1
Client API version: 1.19
Go version (client): go1.4.2
Git commit (client): 786b29d
OS/Arch (client): linux/amd64
Server version: 1.7.1
Server API version: 1.19
Go version (server): go1.4.2
Git commit (server): 786b29d
OS/Arch (server): linux/amd64

์‘์šฉ ํ”„๋กœ๊ทธ๋žจ์„ ์‹คํ–‰ํ•˜๋ ค๊ณ ํ•˜๋Š”๋ฐ์ด ๋ฌธ์ œ๊ฐ€ ํ•ด๊ฒฐ๋˜์—ˆ๋Š”์ง€ ์—ฌ๋ถ€๋Š” ์ด๋ฏธ ์ผ๋ถ€ ์ปจํ…Œ์ด๋„ˆ๊ฐ€ ์ถฉ๋Œ ํ•œ ๊ฒฝํ—˜์ด์žˆ์–ด ํ”„๋กœ๋•์…˜์—์„œ ๋„์ปค๋ฅผ ์‚ฌ์šฉํ•  ์ˆ˜ ์—†์œผ๋ฉฐ ์‹œ์Šคํ…œ์„ ์žฌ๋ถ€ํŒ…ํ•˜์ง€ ์•Š์œผ๋ฉด ์ œ๊ฑฐ ํ•  ์ˆ˜ ์—†์–ด ํ”„๋กœ๋•์…˜ ์‹œ์Šคํ…œ์— ๊ณ ํ†ต์ด๋ฉ๋‹ˆ๋‹ค.

udev ๋™๊ธฐํ™”๊ฐ€ ๋น„ํ™œ์„ฑํ™” ๋œ @trompx devicemapper ๊ฐ€ ์ž‘๋™ํ•˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค.
์ด๊ฒƒ์ด ์šฐ๋ฆฌ๊ฐ€ ์ด์ œ ์ •์  ๋ฐ”์ด๋„ˆ๋ฆฌ ๋Œ€์‹  (๋™๊ธฐํ™” ๋ฌธ์ œ๋ฅผ ํ•ด๊ฒฐํ•˜๋Š”) ๋™์  ๋ฐ”์ด๋„ˆ๋ฆฌ๋ฅผ ์ œ๊ณตํ•˜๋Š” ์ด์œ ์˜ ์ผ๋ถ€์ž…๋‹ˆ๋‹ค.
get.docker.com (๋ฐ lxc-docker ํŒจํ‚ค์ง€)์˜ ์ €์žฅ์†Œ๋ฅผ apt.dockerproject.org ์ €์žฅ์†Œ (๋ฐ docker-engine ํŒจํ‚ค์ง€)๋กœ ๋ฐ”๊พธ๋Š” ๊ฒƒ์ด ์ข‹์Šต๋‹ˆ๋‹ค.
์ž์„ธํ•œ ๋‚ด์šฉ์€ http://blog.docker.com/2015/07/new-apt-and-yum-repos/ ๋ฅผ ์ฐธ์กฐํ•˜์‹ญ์‹œ์˜ค.

์ปจํ…Œ์ด๋„ˆ๋ฅผ ์ œ๊ฑฐํ•˜๋Š” ๋ฐ ๋ฌธ์ œ๊ฐ€์žˆ์„ ๋•Œ ์„ค์ •๋˜๋Š” "dead"๋ผ๋Š” ์ƒˆ๋กœ์šด (ish) ์ปจํ…Œ์ด๋„ˆ ์ƒํƒœ๋„ ์žˆ์Šต๋‹ˆ๋‹ค. ์ด๊ฒƒ์€ ๋ฌผ๋ก ์ด ํŠน์ • ๋ฌธ์ œ์— ๋Œ€ํ•œ ํ•ด๊ฒฐ ๋ฐฉ๋ฒ•์ž…๋‹ˆ๋‹ค. ๊ทธ๋Ÿฌ๋ฉด device or resource busy ์˜ค๋ฅ˜ (์•„๋งˆ ๊ฒฝ์Ÿ ์กฐ๊ฑด)๊ฐ€์žˆ๋Š” ์ด์œ ๋ฅผ ์กฐ์‚ฌ ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.์ด ๊ฒฝ์šฐ ๋‹ค์‹œ ์ œ๊ฑฐ๋ฅผ ์‹œ๋„ํ•˜๊ฑฐ๋‚˜ ์ˆ˜๋™์œผ๋กœ ์‹œ๋„ ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ์ˆ˜์ • (์˜ˆ : ๋‚จ์€ ๋งˆ์šดํŠธ๋ฅผ ๋งˆ์šดํŠธ ํ•ด์ œ ํ•œ ๋‹ค์Œ ์ œ๊ฑฐ).

fs์™€ ์ผ์ข…์˜ ๊ฒฝ์Ÿ์ด์žˆ๋Š” ๊ฒฝ์šฐ (์˜ˆ : ๋‹ค์‹œ ๋งˆ์šดํŠธ ํ•ด์ œ๋ฅผ ์‹œ๋„ํ•˜๋Š” ๊ฒฝ์šฐ) ๊ทธ๋ž˜ํ”„ ๋“œ๋ผ์ด๋ฒ„๊ฐ€ ์ข€ ๋” ํƒ„๋ ฅ์  ์ผ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

@ cpuguy83 ์ •๋ณด ์ฃผ์…”์„œ ๊ฐ์‚ฌํ•ฉ๋‹ˆ๋‹ค. ์ด์ œ udev true๋กœ ๋งˆ์ง€๋ง‰ ๋ฒ„์ „์„ ์‚ฌ์šฉํ•˜๊ณ  ์žˆ์ง€๋งŒ ๋กœ๊น… ๋ชจ๋‹ˆํ„ฐ๋ง ์‹œ์Šคํ…œ์„ ์„ค์ •ํ•˜๋Š” ๋™์•ˆ ๋ฌธ์ œ๊ฐ€ ๋ฐœ์ƒํ•˜์—ฌ ๋ชจ๋“  ์ปจํ…Œ์ด๋„ˆ๊ฐ€ "์ข…๋ฃŒ ๋จ (137)"์ƒํƒœ์—์„œ "์ฃฝ์Œ"์ƒํƒœ๊ฐ€๋˜์—ˆ๊ณ  ์ œ๊ฑฐํ•˜๋ ค๊ณ ํ•˜๋ฉด ์ œ๊ฑฐ "๋ฐ๋ชฌ์—์„œ ์˜ค๋ฅ˜ ์‘๋‹ต : ์ปจํ…Œ์ด๋„ˆ 9ca0b5642a55๋ฅผ ์ œ๊ฑฐ ํ•  ์ˆ˜ ์—†์Œ : ๋“œ๋ผ์ด๋ฒ„ devicemapper๊ฐ€ ๋ฃจํŠธ ํŒŒ์ผ ์‹œ์Šคํ…œ์„ ์ œ๊ฑฐํ•˜์ง€ ๋ชปํ–ˆ์Šต๋‹ˆ๋‹ค". ๊ทธ๋ž˜์„œ ์—ฌ์ „ํžˆ์ด ๋ฌธ์ œ๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค.

syslog ๋“œ๋ผ์ด๋ฒ„๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ (๋‚ด ๋กœ๊น… ์‹œ์Šคํ…œ์„ ์„ค์ •ํ•˜๋ ค๊ณ ) ๋ฌด์Šจ ์ผ์ด ์ผ์–ด ๋‚ฌ๋Š”์ง€ ์•Œ ์ˆ˜ ์—†์—ˆ๊ธฐ ๋•Œ๋ฌธ์— ๋ฌด์Šจ ์ผ์ด ์ผ์–ด ๋‚ฌ๋Š”์ง€ ์ •๋ง ๋ชจ๋ฆ…๋‹ˆ๋‹ค. ์ด ๋ฌธ์ œ๋ฅผ ํ•ด๊ฒฐํ•˜๋ฉด ์•Œ๋ ค ๋“œ๋ฆฌ๊ฒ ์Šต๋‹ˆ๋‹ค.

@trompx ์ด์ „ ์„ค์น˜์—์„œ์ด ๋ฌธ์ œ๊ฐ€ ๋ฐœ์ƒํ•˜๋ฉด ๋ฌธ์ œ๊ฐ€ ๋ฐœ์ƒํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.
์ปจํ…Œ์ด๋„ˆ๊ฐ€ "์ฃฝ์€"์ƒํƒœ๊ฐ€๋˜๋ฉด docker rm -f ์ปจํ…Œ์ด๋„ˆ๋ฅผ ๋‹ค์‹œ

๋‚˜๋Š” ๊ทธ๊ฒƒ์„ ๋‹ค์‹œ ์ถฉ๋Œ์‹œํ‚ฌ ์ˆ˜ ์žˆ์—ˆ์ง€๋งŒ ๊ทธ ์‹œ๊ฐ„์— ๋“œ๋ผ์ด๋ฒ„ json์„ ๊ธฐ๋กํ–ˆ์Šต๋‹ˆ๋‹ค. ๋ชจ๋“  ์ปจํ…Œ์ด๋„ˆ์˜ ๋กœ๊ทธ๋ฅผ ํ™•์ธํ•œ ํ›„ haproxy๋งŒ์ด ์œ ์šฉํ•œ ์ž…๋ ฅ "/run.sh : fork : Cannot allocate memory"๋ฅผ ๋ฐ˜ํ™˜ํ•ฉ๋‹ˆ๋‹ค. ์Šค์™‘์—†์ด ๋ฉ”๋ชจ๋ฆฌ๊ฐ€ ์•ฝ๊ฐ„ ๋ถ€์กฑํ•ด์„œ ๋ฉ”๋ชจ๋ฆฌ๊ฐ€ ๋ถ€์กฑํ•œ ๊ฒƒ ๊ฐ™์Šต๋‹ˆ๋‹ค. ์ด๊ฒƒ์ด ์›์ธ์ด๋ผ๋ฉด Docker๊ฐ€ ๋ฉ”๋ชจ๋ฆฌ๊ฐ€ ๋ถ€์กฑํ•  ๋•Œ ์ถฉ๋Œํ•˜์—ฌ ๋ชจ๋“  ์ปจํ…Œ์ด๋„ˆ๋ฅผ ์ข…๋ฃŒํ•œ๋‹ค๋Š” ์˜๋ฏธ์ž…๋‹ˆ๊นŒ?

@trompx ํ™•์‹คํžˆ Docker๊ฐ€ OOM์„ ์ฃฝ์ด๋Š” ๊ฒƒ์„ ๋ง‰๋Š” ๊ฒƒ์€ ์—†์Šต๋‹ˆ๋‹ค.
docker๊ฐ€ ์ถฉ๋Œํ•˜๋ฉด ์ปจํ…Œ์ด๋„ˆ๊ฐ€ ์ข…๋ฃŒ๋˜์ง€ ์•Š์ง€๋งŒ docker๊ฐ€ ๋ฐฑ์—…์„ ์‹œ์ž‘ํ•˜๋ฉด ์‹คํ–‰์ค‘์ธ ๋ชจ๋“  ์ปจํ…Œ์ด๋„ˆ๊ฐ€ ์ข…๋ฃŒ๋˜๊ณ  ๋‹ค์‹œ ์‹œ์ž‘ ์ •์ฑ…์ด์žˆ๋Š” ์ปจํ…Œ์ด๋„ˆ๊ฐ€ ์‹œ์ž‘๋ฉ๋‹ˆ๋‹ค.

Ubuntu 14.04์—์„œ docker-compose 1.4.2 ๋ฐ docker-engine 1.8.3์„ ์‚ฌ์šฉํ•  ๋•Œ ์ž์ฃผ ๋ฐœ์ƒํ•ฉ๋‹ˆ๋‹ค.

@superdump ์ปค๋„ ๋ฒ„์ „?

@gionn : 3.13.0-65- ์ผ๋ฐ˜

@superdump @gionn ditto ๋™์ผํ•œ ๋ฒ„์ „์˜ ์†Œํ”„ํŠธ์›จ์–ด, ์ปค๋„ 3.13.0-67- ์ผ๋ฐ˜

EBS SSD๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ AWS์—์„œ

๋„์ปค 1.9๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ๋ฌธ์ œ๊ฐ€ ํ•ด๊ฒฐ๋˜์—ˆ๋Š”์ง€ ํ™•์ธํ•œ ์‚ฌ๋žŒ์ด ์žˆ์Šต๋‹ˆ๊นŒ? ๋ณผ๋ฅจ๊ณผ ๊ด€๋ จ๋œ ๋ช‡ ๊ฐ€์ง€ ์ž‘์—…์ด ์žˆ์Šต๋‹ˆ๋‹ค ...

๋ณผ๋ฅจ (์ปจํ…Œ์ด๋„ˆ ์ˆ˜๋ช…์ฃผ๊ธฐ ์™ธ๋ถ€๋กœ ๋ฐ์ดํ„ฐ๋ฅผ ํ™•์žฅํ•œ๋‹ค๋Š” ์˜๋ฏธ์—์„œ)์€ ์—ฌ๊ธฐ์—์„œ ์˜ํ–ฅ์„๋ฐ›๋Š” ๊ฒƒ๊ณผ๋Š” ๋‹ค๋ฅธ ๊ธฐ๋Šฅ์ž…๋‹ˆ๋‹ค.

unshare mounts๊ฐ€ ์ด๋Ÿฌํ•œ ๋ฌธ์ œ์— ๋Œ€ํ•œ ์‹คํ–‰ ๊ฐ€๋Šฅํ•œ ํ•ด๊ฒฐ์ฑ…์ด๋ผ๋ฉด, ๋ฐ๋ชฌ์ด ์‹œ์ž‘๋  ๋•Œ ๊ธฐ๋ณธ์ ์œผ๋กœ docker๋Š” ๊ทธ๋ ‡๊ฒŒ ํ•  ์ˆ˜ ์—†์Šต๋‹ˆ๋‹ค ..?
๊ตฌํ˜„ํ•˜๊ธฐ์— ์ถฉ๋ถ„ํžˆ ๊ฐ„๋‹จํ•ด์•ผํ•ฉ๋‹ˆ๋‹ค.

์ด ์ž‘์—…์„ ์ˆ˜ํ–‰ํ•˜๋Š” ๊ฒƒ์€ ๊ฐ„๋‹จํ•˜๋ฉฐ ๋‹ค์–‘ํ•œ ๋ฐฉ๋ฒ•์ด ์žˆ์Šต๋‹ˆ๋‹ค. ๊ทธ๋งŒํผ
๋ฉ”์ธํ…Œ์ด๋„ˆ๋Š” ํ’€ ๋ฆฌํ€˜์ŠคํŠธ๋ฅผ ๋ฐ›์•„๋“ค์ด๊ณ  ์‹ถ์ง€ ์•Š์•˜์Šต๋‹ˆ๋‹ค.
"ํ•ต"์ด์—ˆ๋‹ค.
2015 ๋…„ 11 ์›” 27 ์ผ ๊ธˆ์š”์ผ ์˜ค์ „ 6:49 Andreas Stenius [email protected]
์ผ๋‹ค :

๋งˆ์šดํŠธ ๊ณต์œ  ํ•ด์ œ๊ฐ€ ์ด๋Ÿฌํ•œ ๋ฌธ์ œ์— ๋Œ€ํ•œ ์‹คํ–‰ ๊ฐ€๋Šฅํ•œ ์†”๋ฃจ์…˜์ด๋ผ๋ฉด Docker๋Š” ํ•  ์ˆ˜ ์—†์Šต๋‹ˆ๋‹ค.
๊ธฐ๋ณธ์ ์œผ๋กœ ๋ฐ๋ชฌ์ด ์‹œ์ž‘๋  ๋•Œ ..?
๊ตฌํ˜„ํ•˜๊ธฐ์— ์ถฉ๋ถ„ํžˆ ๊ฐ„๋‹จํ•ด์•ผํ•ฉ๋‹ˆ๋‹ค.

โ€”
์ด ์ด๋ฉ”์ผ์— ์ง์ ‘ ๋‹ต์žฅํ•˜๊ฑฐ๋‚˜ GitHub์—์„œ ํ™•์ธํ•˜์„ธ์š”.
https://github.com/docker/docker/issues/5684#issuecomment -160153438.

๊ทธ๊ฑด ์‚ฌ์‹ค์ด ์•„๋‹ˆ์•ผ. ์šฐ๋ฆฌ๋Š” ์ด๊ฒƒ์„ ๊ฐ€์ง€๊ณ  ์žˆ์—ˆ๊ณ  ๊ทธ๊ฒƒ์€ ๋ฌธ์ œ๋ฅผ ์ผ์œผ์ผœ ๊ทธ๊ฒƒ์„ ๋˜๋Œ ๋ ธ์Šต๋‹ˆ๋‹ค. ๋ฌธ์ œ๋ฅผ ์ผ์œผํ‚ค์ง€ ์•Š์œผ๋ฉด ๊ทธ๋ ‡๊ฒŒํ•˜๋Š” ๊ฒƒ์€ ์‚ฌ์†Œํ•œ ์ผ์ž…๋‹ˆ๋‹ค.

์ •๋ณด์— ๋Œ€ํ•ด์„œ ๊ฐ์‚ฌ๋“œ๋ฆฝ๋‹ˆ๋‹ค. ๋ช‡ ๊ฐœ์˜ ๋…ธ๋“œ์— ๊ณต์œ  ํ•ด์ œ "ํ•ดํ‚น"์„ ์ถ”๊ฐ€ํ–ˆ์Šต๋‹ˆ๋‹ค.
์–ด๋–ป๊ฒŒ๋˜๋Š”์ง€๋ณด์„ธ์š” ...
fre 27 nov. 2015 kl. 19:01 skrev Brian Goff [email protected] :

๊ทธ๊ฑด ์‚ฌ์‹ค์ด ์•„๋‹ˆ์•ผ. ์šฐ๋ฆฌ๋Š” ์ด๊ฒƒ์„ ๊ฐ€์ง€๊ณ  ์žˆ์—ˆ๊ณ  ๊ทธ๊ฒƒ์€ ๋ฌธ์ œ๋ฅผ ์ผ์œผ์ผœ ๊ทธ๊ฒƒ์„ ๋˜๋Œ ๋ ธ์Šต๋‹ˆ๋‹ค.
๋ฌธ์ œ๋ฅผ ์ผ์œผํ‚ค์ง€ ์•Š์œผ๋ฉด ๊ทธ๋ ‡๊ฒŒํ•˜๋Š” ๊ฒƒ์€ ์‚ฌ์†Œํ•œ ์ผ์ž…๋‹ˆ๋‹ค.

โ€”
์ด ์ด๋ฉ”์ผ์— ์ง์ ‘ ๋‹ต์žฅํ•˜๊ฑฐ๋‚˜ GitHub์—์„œ ํ™•์ธํ•˜์„ธ์š”.
https://github.com/docker/docker/issues/5684#issuecomment -160182860.

์•ˆ๋…•ํ•˜์„ธ์š”,

Docker๋ฅผ ์‚ฌ์šฉํ•  ๋•Œ ์œ„์—์„œ ์„ค๋ช…ํ•œ ๋ฌธ์ œ๊ฐ€ ๋ฐœ์ƒํ•ฉ๋‹ˆ๋‹ค.

Failed to remove container (da3b06dc0723): Error response from daemon: Unable to remove filesystem for da3b06dc072328112eec54d7b0e00c2c355a8ef471e1ba3c82ab3ffb8e93891f: remove /var/lib/docker/containers/da3b06dc072328112eec54d7b0e00c2c355a8ef471e1ba3c82ab3ffb8e93891f/shm: device or resource busy
Failed to remove container (99cfba26be16): Error response from daemon: Unable to remove filesystem for 99cfba26be16bf7b475aaa4ed3d50f7fca3179082decc60f1418d22745f5a855: remove /var/lib/docker/containers/99cfba26be16bf7b475aaa4ed3d50f7fca3179082decc60f1418d22745f5a855/shm: device or resource busy
Failed to remove container (c34922906202): Error response from daemon: Unable to remove filesystem for c34922906202713a573a45f18f8db45ad6788bde2255f75b0f0e027800721b26: remove /var/lib/docker/containers/c34922906202713a573a45f18f8db45ad6788bde2255f75b0f0e027800721b26/shm: device or resource busy

๋‚ด Docker ๋ฒ„์ „ ์ •๋ณด๋Š” ๋‹ค์Œ๊ณผ ๊ฐ™์Šต๋‹ˆ๋‹ค.
๊ณ ๊ฐ:
๋ฒ„์ „ : 1.10.2
API ๋ฒ„์ „ : 1.22
Go ๋ฒ„์ „ : go1.5.3
ํž˜๋‚ด ์ปค๋ฐ‹ : c3959b1
๊ฑด์ถ• : 2016 ๋…„ 2 ์›” 22 ์ผ ์›”์š”์ผ 21:37:01
OS / ์•„์น˜ : linux / amd64

์„ฌ๊ธฐ๋Š” ์‚ฌ๋žŒ:
๋ฒ„์ „ : 1.10.2
API ๋ฒ„์ „ : 1.22
Go ๋ฒ„์ „ : go1.5.3
ํž˜๋‚ด ์ปค๋ฐ‹ : c3959b1
๊ฑด์ถ• : 2016 ๋…„ 2 ์›” 22 ์ผ ์›”์š”์ผ 21:37:01
OS / ์•„์น˜ : linux / amd64

๋‚ด๊ฐ€์ด ๋ฌธ์ œ๋ฅผ ์•„์ฃผ ์ตœ๊ทผ์— ๋ฐœ๊ฒฌํ–ˆ์Œ์„ ์ฃผ๋ชฉํ•ด์•ผํ•œ๋‹ค. ์ €๋Š” ๊ฑฐ์˜ 1 ๋…„ ๊ฐ€๊นŒ์ด Docker์™€ ํ•จ๊ป˜ ์ผํ•˜๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.

์•ˆ๋…•ํ•˜์„ธ์š”,
์ปดํ“จํ„ฐ๋ฅผ ๋‹ค์‹œ ์‹œ์ž‘ํ•œ ํ›„ ์ด์ „์— ์ œ๊ฑฐ๋˜์ง€ ์•Š์€ ์ปจํ…Œ์ด๋„ˆ๊ฐ€ ์ œ๊ฑฐ๋˜์—ˆ์Œ์„ ์•Œ์•˜์Šต๋‹ˆ๋‹ค. ์ด๊ฒƒ์€ ๋‹น๋ฉดํ•œ ๋ฌธ์ œ๋ฅผ ํ•ด๊ฒฐํ•˜์ง€๋งŒ ์ปจํ…Œ์ด๋„ˆ๊ฐ€ ์ถ•์ ๋˜๊ณ  ํ•ญ์ƒ OS๋ฅผ ์žฌ๋ถ€ํŒ…ํ•ด์•ผํ•˜๋Š” ๊ฒƒ์€ ์งœ์ฆ๋‚  ๊ฒƒ์ž…๋‹ˆ๋‹ค.

@chirangaalwis +1. ์ปจํ…Œ์ด๋„ˆ๊ฐ€ ํ•œ๋™์•ˆ ์‹คํ–‰ ๋œ ํ›„์— ์ด๋Ÿฐ ์ผ์ด ๋ฐœ์ƒ ํ–ˆ์Šต๋‹ˆ๊นŒ? ์•„๋‹ˆ๋ฉด ์ปจํ…Œ์ด๋„ˆ๋ฅผ ์‹œ์ž‘ํ•œ ์งํ›„์— ๋ฐœ์ƒํ•ฉ๋‹ˆ๊นŒ?

์•ˆ๋…•ํ•˜์„ธ์š”,
๋‚ด๊ฐ€ ๊ธฐ์–ตํ•  ์ˆ˜์žˆ๋Š” ํ•œ, ๋‚˜๋Š” ์ปจํ…Œ์ด๋„ˆ๊ฐ€ ์‹œ์ž‘๋œ ์ดํ›„ ์ƒ๋‹นํ•œ ์‹œ๊ฐ„์ด ์ง€๋‚œ ํ›„์— ์ด๊ฒƒ์„ ๊ฒฝํ—˜ํ–ˆ์Šต๋‹ˆ๋‹ค. ์ •ํ™•ํ•˜๊ธฐ์—๋Š” ์˜ค๋žœ ์‹œ๊ฐ„์ด ์ง€๋‚˜์ง€ ์•Š์•˜์Šต๋‹ˆ๋‹ค.

๊ทธ๊ฑด ๊ทธ๋ ‡๊ณ  ๋ˆ„๊ตฐ๊ฐ€ ๊ฐ€์ด ๋ฌธ์ œ์˜ ์›์ธ์„ ์ฒ ์ €ํžˆ ์„ค๋ช… ํ•  ์ˆ˜ ์žˆ๋‹ค๋ฉด ์ข‹์„ ๊ฒƒ์ž…๋‹ˆ๋‹ค. ์ €๋Š” ์ปจํ…Œ์ด๋„ˆํ™” ๊ฐœ๋…์— ๋น„๊ต์  ์ต์ˆ™ํ•˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค.

@chirangaalwis ์ด ๋ฌธ์ œ๋ฅผ ํ™•์ธ https://github.com/docker/docker/issues/17902 ์ปค๋„ ๋ฒ„์ „์— ๋”ฐ๋ผ ๋‹ค๋ฅผ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ๋‹ค์Œ๋‚  ๋ฌธ์ œ๊ฐ€ ๋ฐœ์ƒํ•œ ์ปดํ“จํ„ฐ์˜ ์ปค๋„์„ ์—…๊ทธ๋ ˆ์ด๋“œํ•˜์—ฌ ๋ฌธ์ œ๊ฐ€ ํ•ด๊ฒฐ๋˜๋Š”์ง€ ํ™•์ธํ•˜๊ฒ ์Šต๋‹ˆ๋‹ค.

+1. ๊ทธ๋ž˜, ๋‚ด ์ปค๋„ ๋ฒ„์ „๋„ 3.13์ž…๋‹ˆ๋‹ค. ๋„ค, ์ œ๊ฐ€๋ณด๊ณ  ํ•œ์ง€๋„์™€ ์ด๊ฒƒ๋„ ํ™•์ธํ•˜๊ฒ ์Šต๋‹ˆ๋‹ค.

@chirangaalwis @kabobbob ... ์ €๋Š” RHEL 7.2 ๋ฐ ์ปค๋„ 3.10์— ์žˆ์Šต๋‹ˆ๋‹ค.

[root<strong i="7">@pe2enpmas301</strong> npmo-server]# uname -a
Linux pe2enpmas301.corp.intuit.net 3.10.0-327.3.1.el7.x86_64 #1 SMP Fri Nov 20 05:40:26 EST 2015 x86_64 x86_64 x86_64 GNU/Linux

docker-compose ์‚ฌ์šฉํ•˜์—ฌ ์ปจํ…Œ์ด๋„ˆ๋ฅผ ์ค‘์ง€ํ•˜๊ณ  ์‹œ์ž‘ํ•˜๋Š” ๋™์•ˆ์ด ์˜ค๋ฅ˜๊ฐ€ ๊ณ„์† ๋ฐœ์ƒํ•ฉ๋‹ˆ๋‹ค ....

Recreating npmoserver_policyfollower_1
ERROR: Driver devicemapper failed to remove root filesystem 3bb07965510f2c398c0fc99c3e0ce4696914f710efabc47f2df19ecf85725021: Device is Busy

์œ ์ผํ•œ ํ•ด๊ฒฐ ๋ฐฉ๋ฒ•์€ ์ค‘์ง€ํ•˜๊ณ  ๋‹ค์‹œ ์‹œ๋„ํ•˜๊ธฐ ์ „์— ๋ช‡ ์ดˆ ๋™์•ˆ ๊ธฐ๋‹ค๋ฆฌ๋Š” ๊ฒƒ์ž…๋‹ˆ๋‹ค. ๋ฌธ์ œ๋Š” ๋‹ค์‹œ ์‹œ์ž‘์ด ์ž‘๋™ํ•œ๋‹ค๊ณ  ๋ณด์žฅ๋˜์ง€ ์•Š๋Š”๋‹ค๋Š” ๊ฒƒ์ž…๋‹ˆ๋‹ค. ๋‚˜๋Š” ๋•Œ๋•Œ๋กœ ๋‹ค์‹œ ์‹œ์ž‘ํ•˜๊ธฐ ์œ„ํ•ด ์—ฌ๋Ÿฌ ๋ฒˆ ์‹œ๋„ํ•ฉ๋‹ˆ๋‹ค.

@chirangaalwis @marcellodesales ์„œ๋ฒ„๋ฅผ ์ปค๋„ 3.16์œผ๋กœ ์—…๊ทธ๋ ˆ์ด๋“œํ•˜๊ณ  ์ปจํ…Œ์ด๋„ˆ ์ค‘์ง€ ๋ฐ rm์„ ์‹œ๋„ํ–ˆ์Šต๋‹ˆ๋‹ค. ๋ชจ๋‘ ์ž˜ ์ž‘๋™ํ•˜๋Š” ๊ฒƒ ๊ฐ™์•˜์Šต๋‹ˆ๋‹ค. ์ž‘์—…์ด ํ•„์š”ํ•˜๊ณ  ๋ฌธ์ œ๊ฐ€ ํ•ด๊ฒฐ๋˜์—ˆ๋Š”์ง€ ํ™•์ธํ•ฉ๋‹ˆ๋‹ค.

@kabobbob์ด ๋” ์ž˜ ์ž‘๋™ํ•˜๋Š” ๊ฒƒ์œผ๋กœ ํŒ๋ช…๋˜๋ฉด ๋ฉฐ์น  ํ›„์—๋ณด๊ณ  ํ•ด์ฃผ์„ธ์š” ... ์‚ฌ์ „ ํ”„๋กœ๋•์…˜ ํ™˜๊ฒฝ์„ ์—…๊ทธ๋ ˆ์ด๋“œํ•˜๊ณ ๋ณด๊ณ ํ•˜๊ฒ ์Šต๋‹ˆ๋‹ค.

rhel 7.2์—์„œ์ด ๋ฌธ์ œ๊ฐ€ ๋ฐœ์ƒํ–ˆ์Šต๋‹ˆ๋‹ค-yum ์—…๋ฐ์ดํŠธ && systemctl ์žฌ๋ถ€ํŒ…์œผ๋กœ ํ•ด๊ฒฐ๋˜์—ˆ์Šต๋‹ˆ๋‹ค.

์ง์ ‘ LVM ๋ฐ Docker ๋ฒ„์ „ 1.9.1์„ ์‚ฌ์šฉํ–ˆ์Šต๋‹ˆ๋‹ค.

๋‚˜๋Š” ๋˜ํ•œ์ด ๋ฌธ์ œ๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค. ๋‚ด ์„ค์ • : Ubuntu 14.04, ์ปค๋„ "3.19.0-58-generic # 64 ~ 14.04.1-Ubuntu"๋กœ ์—…๋ฐ์ดํŠธ๋˜์—ˆ์Šต๋‹ˆ๋‹ค. Docker ๋ฒ„์ „ 1.11.0, ๋นŒ๋“œ 4dc5990. "docker-compose ๋ฒ„์ „ 1.7.0, ๋นŒ๋“œ 0d7bf73".

docker-compose up -d ๊ฐ€ ์ƒˆ ์ด๋ฏธ์ง€๋กœ ์ธํ•ด ์ปจํ…Œ์ด๋„ˆ๋ฅผ ๋‹ค์‹œ ์‹œ์ž‘ํ•˜๋ฉด ์ค‘์ง€ ๋œ ์ปจํ…Œ์ด๋„ˆ๋ฅผ ์ œ๊ฑฐ ํ•  ์ˆ˜์—†๋Š” ๊ฒฝ์šฐ๊ฐ€ ์ข…์ข… ์žˆ์Šต๋‹ˆ๋‹ค.

์žฌ๋ถ€ํŒ… ๋งŒํ•˜๋ฉด ์ปจํ…Œ์ด๋„ˆ๋ฅผ ์‹œ์ž‘ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ๊ทธ๋ ‡๋‹ค๋ฉด ๋ฌธ์ œ๋Š” 100 % ์žฌํ˜„ ํ•  ์ˆ˜๋Š” ์—†์ง€๋งŒ ๋งค์šฐ ์ž์ฃผ ๋ฐœ์ƒํ•ฉ๋‹ˆ๋‹ค. ๊ทธ๋ž˜์„œ ํ˜ธ์ŠคํŠธ ์ปดํ“จํ„ฐ๋ฅผ ์ž์ฃผ ์žฌ๋ถ€ํŒ…ํ•ด์•ผํ•ฉ๋‹ˆ๋‹ค :-(

$ docker rm 5435d816c9a3_dockercomposeui_docker-compose-ui_1
Error response from daemon: Driver devicemapper failed to remove root filesystem 5435d816c9a35c63a5a636dc56b7d9052f1681ae21d604127b1685dab3848404: Device is Busy

๊ณผ

# docker ps -a | grep dockercomposeui
5435d816c9a3        c695fdb43f7a                          "/env/bin/python /app"   2 days ago          Dead                                                                                                                   5435d816c9a3_dockercomposeui_docker-compose-ui_1

@dsteinkopf 1.10์—์„œ 1.11๋กœ ์—…๊ทธ๋ ˆ์ด๋“œ ํ•œ

์•„๋‹ˆ์š”, ๋ฌธ์ œ๋Š” ์ด๋ฏธ docker 1.10๊ณผ ๊ธฐ๋ณธ ์šฐ๋ถ„ํˆฌ 14.04-kernel (~ 3.10) ๋ฐ aufs๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ์ด๋ฏธ ์กด์žฌํ–ˆ์Šต๋‹ˆ๋‹ค. ๊ทธ๋Ÿฐ ๋‹ค์Œ ์Šคํ† ๋ฆฌ์ง€ ๋“œ๋ผ์ด๋ฒ„, ์ปค๋„ ๋ฐ ๋„์ปค๋ฅผ ๋‹จ๊ณ„๋ณ„๋กœ ์—…๊ทธ๋ ˆ์ด๋“œํ–ˆ์Šต๋‹ˆ๋‹ค. ๊ฒฝํ—˜ ํ•œ ๋ฌธ์ œ์— ํฐ ๋ณ€ํ™”๊ฐ€ ์—†์Šต๋‹ˆ๋‹ค ...

์ด ๋ฌธ์ œ์™€ ๊ด€๋ จํ•˜์—ฌ ์˜ค๋ฒ„๋ ˆ์ด๋ฅผ ์‹œ๋„ ํ•  ๊ฐ€์น˜๊ฐ€ ์žˆ๋‹ค๊ณ  ์ƒ๊ฐํ•˜์‹ญ๋‹ˆ๊นŒ? (์ œ ๊ฒฝ์šฐ ์„ฑ๋Šฅ์€ ํฐ ๋ฌธ์ œ๊ฐ€ ์•„๋‹™๋‹ˆ๋‹ค.)

@thaJeztah ์ „๊ณผ ์ดํ›„ ๋กœ์ด ๋ฌธ์ œ๋ฅผ ๋ณธ ์ ์ด ์—†์Šต๋‹ˆ๋‹ค.

1.10์—์„œ 1.11๋กœ ์—…๊ทธ๋ ˆ์ด๋“œ ํ•œ ํ›„์ด ๋ฌธ์ œ๊ฐ€ ๋ฐœ์ƒ ํ–ˆ์Šต๋‹ˆ๊นŒ?

์ด ๋ฌธ์ œ๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค :(

์•„์ง๋„ ์ด๊ฑธ ๊ฐ€์ง€๊ณ ์žˆ์–ด
RHEL 7.2 ์ปค๋„ -3.10.0-327.el7.x86_64
Docker ๋ฒ„์ „ 1.9.1, ๋นŒ๋“œ 78ee77d / 1.9.1
device-mapper-libs-1.02.107-5.el7_2.1.x86_64

๋˜ํ•œ ๋ฌธ์ œ๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค.

docker rm agent4 Error response from daemon: Driver aufs failed to remove root filesystem 16a3129667975c411d0084b38ba512761b64eaa7853f3452a7f8e4f2898d1175: rename /var/lib/docker/aufs/diff/76125e9141ec9de7c12e20d41b00cb44826b19bedf98bd9c650cb7a7cc07913a /var/lib/docker/aufs/diff/76125e9141ec9de7c12e20d41b00cb44826b19bedf98bd9c650cb7a7cc07913a-removing: device or resource busy

๋„์ปค ๋ฒ„์ „

Client:
 Version:      1.11.0
 API version:  1.23
 Go version:   go1.5.4
 Git commit:   4dc5990
 Built:        Wed Apr 13 18:26:49 2016
 OS/Arch:      linux/amd64

Server:
 Version:      1.11.0
 API version:  1.23
 Go version:   go1.5.4
 Git commit:   4dc5990
 Built:        Wed Apr 13 18:26:49 2016
 OS/Arch:      linux/amd64

๋„์ปค ์ •๋ณด

Containers: 9
 Running: 8
 Paused: 0
 Stopped: 1
Images: 80
Server Version: 1.11.0
Storage Driver: aufs
 Root Dir: /var/lib/docker/aufs
 Backing Filesystem: extfs
 Dirs: 193
 Dirperm1 Supported: true
Logging Driver: json-file
Cgroup Driver: cgroupfs
Plugins:
 Volume: local
 Network: bridge null host
Kernel Version: 3.16.0-4-amd64
Operating System: Debian GNU/Linux 7 (wheezy)
OSType: linux
Architecture: x86_64
CPUs: 8
Total Memory: 31.45 GiB
Name: chell
ID: BXX3:THMK:SWD4:FP35:JPVM:3MV4:XJ7S:DREY:O6XO:XYUV:RHXO:KUBS
Docker Root Dir: /var/lib/docker
Debug mode (client): false
Debug mode (server): false
Registry: https://index.docker.io/v1/
WARNING: No memory limit support
WARNING: No swap limit support
WARNING: No kernel memory limit support
WARNING: No oom kill disable support
WARNING: No cpu cfs quota support
WARNING: No cpu cfs period support

uname -a

Linux chell 3.16.0-4-amd64 #1 SMP Debian 3.16.7-ckt25-1 (2016-03-06) x86_64 GNU/Linux

์ด๊ฒƒ์€ ์„œ๋กœ ๋‹ค๋ฅธ ๋ฌธ์ œ์˜ ํ˜ผํ•ฉ์ž…๋‹ˆ๋‹ค. ์ด๊ฑธ ๋‹ซ์•„์•ผํ•œ๋‹ค๊ณ  ์ƒ๊ฐํ•ฉ๋‹ˆ๋‹ค. ์ตœ๊ทผ์—๋ณด๊ณ  ๋œ ์‚ฌ๋ก€ ์ค‘ OP์™€ ๊ฐ™์€ ๊ฒƒ์€ ์—†์Šต๋‹ˆ๋‹ค.

@guenhter ๋‚˜๋Š” ์ด๊ฒƒ์ด / var / run์„ ์ปจํ…Œ์ด๋„ˆ (ํ˜ธ์ŠคํŠธ์˜ ๋‹ค๋ฅธ ์ปจํ…Œ์ด๋„ˆ)์— ๋งˆ์šดํŠธํ•˜๊ฑฐ๋‚˜ / var / lib / docker๋ฅผ ๋งˆ์šดํŠธํ•˜๋Š” ๊ฒƒ๊ณผ ๊ด€๋ จ๋œ ๋‹ค๋ฅธ ๋ฌธ์ œ์™€ ๊ด€๋ จ์ด ์žˆ๋‹ค๊ณ  ์ƒ๊ฐํ•ฉ๋‹ˆ๋‹ค.

@guenhter ๊ธฐ๋ก # 21969

๋˜ํ•œ "์žฅ์น˜ ๋˜๋Š” ๋ฆฌ์†Œ์Šค ์‚ฌ์šฉ ์ค‘"์œ ํ˜• ์˜ค๋ฅ˜์™€ ๊ด€๋ จ๋œ ๋งŽ์€ 1.11 ์ด์ „ ๋ฌธ์ œ๋Š” ๋ฐ๋ชฌ์„ ์ข…๋ฃŒ ํ•œ ๋‹ค์Œ (๋น„์ •์ƒ์ ์œผ๋กœ) ๋ฐฑ์—…์„ ์‹œ์ž‘ํ•˜๋Š” ๋ฐ์„œ ๋ฐœ์ƒํ•ฉ๋‹ˆ๋‹ค.
์ด๋กœ ์ธํ•ด ์Šคํ† ๋ฆฌ์ง€ ๋“œ๋ผ์ด๋ฒ„ ๋งˆ์šดํŠธ์˜ ๋‚ด๋ถ€ ์ฐธ์กฐ ์นด์šดํŠธ๊ฐ€ 0์œผ๋กœ ์žฌ์„ค์ •๋˜๋Š” ๋ฐ˜๋ฉด ๋งˆ์šดํŠธ ์ž์ฒด๋Š” ์—ฌ์ „ํžˆ ํ™œ์„ฑ ์ƒํƒœ์ž…๋‹ˆ๋‹ค.
1.11์€์ด ๊ฒฝ์šฐ๋ฅผ ๋‹ค๋ฃน๋‹ˆ๋‹ค.

์œ„์— ์–ธ๊ธ‰ ๋œ ์ด์œ ๋กœ ์ข…๋ฃŒ๋ฉ๋‹ˆ๋‹ค.

์ฃ„์†กํ•ฉ๋‹ˆ๋‹ค.์ด ๋‚ด์šฉ์„ ์ดํ•ดํ•˜๋Š”์ง€ ์ž˜ ๋ชจ๋ฅด๊ฒ ์Šต๋‹ˆ๋‹ค. "์ตœ๊ทผ์—๋ณด๊ณ  ๋œ ์‚ฌ๋ก€ ์ค‘ OP์™€ ๊ฐ™์€ ์‚ฌ๋ก€๊ฐ€ ์—†์Šต๋‹ˆ๋‹ค"๋ผ๋Š” ์˜๋ฏธ๋Š” ๋ฌด์—‡์ž…๋‹ˆ๊นŒ?
๋‚˜ (๋ฐ์ด ๋ฌธ์ œ๋ฅผ ๊ฒช๊ณ ์žˆ๋Š” ๋‹ค๋ฅธ ์‚ฌ๋žŒ)๋Š” ์–ด๋–ป๊ฒŒํ•ด์•ผํ•ฉ๋‹ˆ๊นŒ? ๋‹ค๋ฅธ ์ผ€์ด์Šค๋ฅผ ์—ด๊นŒ์š”?

@dsteinkopf ์˜ˆ, ์ œ๊ณต ํ•  ์ˆ˜์žˆ๋Š” ์„ธ๋ถ€ ์ •๋ณด (ํŒŒ์ผ ์ž‘์„ฑ, ๋ฐ๋ชฌ ๋กœ๊ทธ ๋“ฑ)๋ฅผ ํฌํ•จํ•ฉ๋‹ˆ๋‹ค.

์•ˆ๋…•ํ•˜์„ธ์š”, ์ด์ „์— ์ง€์ •ํ•œ ๋ฌธ์ œ์— ๋Œ€ํ•ด ์–ธ๊ธ‰ํ•˜๊ธฐ ์œ„ํ•ด ์ปค๋„ ๋ฒ„์ „์„ 4.4.0-21-generic์œผ๋กœ ์—…๊ทธ๋ ˆ์ด๋“œํ–ˆ์œผ๋ฉฐ ๋„์ปค ๋ฒ„์ „ ์ •๋ณด๋Š” ๋‹ค์Œ๊ณผ ๊ฐ™์Šต๋‹ˆ๋‹ค.
๊ณ ๊ฐ:
๋ฒ„์ „ : 1.11.0
API ๋ฒ„์ „ : 1.23
Go ๋ฒ„์ „ : go1.5.4
ํž˜๋‚ด ์ปค๋ฐ‹ : 4dc5990
๊ฑด์ถ• : 2016 ๋…„ 4 ์›” 13 ์ผ ์ˆ˜์š”์ผ 18:38:59
OS / ์•„์น˜ : linux / amd64

์„ฌ๊ธฐ๋Š” ์‚ฌ๋žŒ:
๋ฒ„์ „ : 1.11.0
API ๋ฒ„์ „ : 1.23
Go ๋ฒ„์ „ : go1.5.4
ํž˜๋‚ด ์ปค๋ฐ‹ : 4dc5990
๊ฑด์ถ• : 2016 ๋…„ 4 ์›” 13 ์ผ ์ˆ˜์š”์ผ 18:38:59
OS / ์•„์น˜ : linux / amd64

์ด์ „์—๋ณด๊ณ  ๋œ ๋ฌธ์ œ๊ฐ€ ๋” ์ด์ƒ ๋ฐœ์ƒํ•˜์ง€ ์•Š์€ ๊ฒƒ ๊ฐ™์Šต๋‹ˆ๋‹ค. ์ปค๋„ ๋ฒ„์ „์„ ์—…๊ทธ๋ ˆ์ด๋“œํ•˜์—ฌ ์ƒ๋‹นํ•œ ์‹œ๊ฐ„ ๋™์•ˆ Docker๋ฅผ ์‚ฌ์šฉํ–ˆ๋Š”๋ฐ ์ค‘์ง€ ๋œ ๊ฒƒ ๊ฐ™์Šต๋‹ˆ๋‹ค.

์ตœ์†Œํ•œ docker-compose์™€ ํ•จ๊ป˜ ์‚ฌ์šฉํ•  ๋•Œ ๋ฌธ์ œ์— ๋Œ€ํ•œ ํ•ด๊ฒฐ ๋ฐฉ๋ฒ•์„ ์ฐพ์•˜์Šต๋‹ˆ๋‹ค. https://github.com/docker/docker/issues/3786#issuecomment -221601065๋ฅผ ์ฐธ์กฐ

๋‹ค์‹œ ์‹œ์ž‘ํ•˜์ง€ ๋ชปํ•˜๋Š” ์ปจํ…Œ์ด๋„ˆ์™€ ๋™์ผํ•œ ๋ฌธ์ œ์ž…๋‹ˆ๋‹ค.

Ubuntu 14.04
์ปค๋„ : 3.13.0-24- ์ผ๋ฐ˜
Docker ๋ฒ„์ „ :

Client:
 Version:      1.11.0
 API version:  1.23
 Go version:   go1.5.4
 Git commit:   4dc5990
 Built:        Wed Apr 13 18:34:23 2016
 OS/Arch:      linux/amd64

Server:
 Version:      1.11.0
 API version:  1.23
 Go version:   go1.5.4
 Git commit:   4dc5990
 Built:        Wed Apr 13 18:34:23 2016
 OS/Arch:      linux/amd64

์˜ค๋ฅ˜:

Error response from daemon: Driver aufs failed to remove root filesystem 
802f3a6eb28f8f16bf8452675a389b1d8bf755e59c827d50bec9372420f4194a: 
rename /var/lib/docker/aufs/diff/79e53988cfddcc3fb9868316bd9d8c3d7a825fd09a8620553c148bd96243224f /var/lib/docker/aufs/diff/79e53988cfddcc3fb9868316bd9d8c3d7a825fd09a8620553c148bd96243224f-removing: 
device or resource busy

๋งˆ์šดํŠธ ํ•ด์ œ ์‹คํŒจ :

umount: /var/lib/docker/devicemapper
/mnt/79e53988cfddcc3fb9868316bd9d8c3d7a825fd09a8620553c148bd96243224f is not mounted 
(according to mtab)

์ด๊ฒƒ์€ ์—ฌ์ „ํžˆ โ€‹โ€‹์šฐ๋ฆฌ์—๊ฒŒ ๋ฌธ์ œ์ž…๋‹ˆ๋‹ค (Ubuntu 14.04.4 LTS (KVM ํฌํ•จ) (3.13.0-88-generic)์—์„œ 1.11.2 ์‚ฌ์šฉ).

๊ตฌ๋… ํ•  ์ˆ˜์žˆ๋Š” ๊ณต๊ฐœ ํ‹ฐ์ผ“์ด ์žˆ๋‚˜์š”?

@GameScripting # 21704 ์ฐธ์กฐ

Linux zk1 3.10.0-327.28.3.el7.x86_64 (centos 7)
Docker ๋ฒ„์ „ 1.12.1, ๋นŒ๋“œ 23cf638

๋ฐ๋ชฌ์˜ ์˜ค๋ฅ˜ ์‘๋‹ต : ๋“œ๋ผ์ด๋ฒ„ devicemapper๊ฐ€ ๋ฃจํŠธ ํŒŒ์ผ ์‹œ์Šคํ…œ์„ ์ œ๊ฑฐํ•˜์ง€ ๋ชปํ–ˆ์Šต๋‹ˆ๋‹ค. 228f2c2da3de4d5abd3881184aeb330a4c18e4311ecf404e2fb8cd4ffe15e901 : devicemapper : DeleteDevice ์‹คํ–‰ ์˜ค๋ฅ˜ dm_task_run ์‹คํŒจ

๋ฐฉ๊ธˆ ๋งŒ๋‚ฌ์–ด์š”. /etc/init.d/docker restart ๋„์›€์ด ๋์Šต๋‹ˆ๋‹ค. ํ”„๋กœ๋•์…˜ ๋จธ์‹ ์— ์—†์—ˆ๋˜ ๊ฒƒ์ด ๊ธฐ์ฉ๋‹ˆ๋‹ค ... ๐Ÿ˜ข

$ docker --version
Docker version 1.11.1, build 5604cbe

์•„์ง๋„ ์ด๊ฒƒ๋„ ๋ฐ›๊ณ 

$ docker --version
Docker version 1.12.2, build bb80604

๋งŽ์€ ๋ฒ„์ „์˜ Docker์—์„œ ๋™์ผํ•œ ๋ฌธ์ œ๊ฐ€ ๋ฐœ์ƒํ–ˆ์Šต๋‹ˆ๋‹ค. docker-compose ๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ์ปจํ…Œ์ด๋„ˆ๋ฅผ ๋‹ค์‹œ ๋งŒ๋“ญ๋‹ˆ๋‹ค. ๋•Œ๋กœ๋Š” ๊นจ๋—ํ•˜๊ฒŒ ์ž‘๋™ํ•˜๊ณ  ๋•Œ๋กœ๋Š” ๊ทธ๋ ‡์ง€ ์•Š์Šต๋‹ˆ๋‹ค. docker ๋ฐ๋ชฌ์„ ๋‹ค์‹œ ์‹œ์ž‘ํ•˜๊ฑฐ๋‚˜ ์„œ๋ฒ„๋ฅผ ์žฌ๋ถ€ํŒ…ํ•˜๋ฉด ์ž˜๋ชป๋œ ์ปจํ…Œ์ด๋„ˆ๊ฐ€ ์ •๋ฆฌ๋ฉ๋‹ˆ๋‹ค.

์•„์น˜ ๋ฆฌ๋ˆ…์Šค; ext4 FS์˜ devicemapper ์ปจํ…Œ์ด๋„ˆ.

$ docker version
Client:
 Version:      1.12.3
 API version:  1.24
 Go version:   go1.7.3
 Git commit:   6b644ec
 Built:        Thu Oct 27 19:42:59 2016
 OS/Arch:      linux/amd64

Server:
 Version:      1.12.3
 API version:  1.24
 Go version:   go1.7.3
 Git commit:   6b644ec
 Built:        Thu Oct 27 19:42:59 2016
 OS/Arch:      linux/amd64
$ docker info
Containers: 24
 Running: 22
 Paused: 0
 Stopped: 2
Images: 56
Server Version: 1.12.3
Storage Driver: devicemapper
 Pool Name: docker-8:3-13500430-pool
 Pool Blocksize: 65.54 kB
 Base Device Size: 10.74 GB
 Backing Filesystem: xfs
 Data file: /dev/loop0
 Metadata file: /dev/loop1
 Data Space Used: 9.394 GB
 Data Space Total: 107.4 GB
 Data Space Available: 78.15 GB
 Metadata Space Used: 24.82 MB
 Metadata Space Total: 2.147 GB
 Metadata Space Available: 2.123 GB
 Thin Pool Minimum Free Space: 10.74 GB
 Udev Sync Supported: true
 Deferred Removal Enabled: false
 Deferred Deletion Enabled: false
 Deferred Deleted Device Count: 0
 Data loop file: /var/lib/docker/devicemapper/devicemapper/data
 WARNING: Usage of loopback devices is strongly discouraged for production use. Use `--storage-opt dm.thinpooldev` to specify a custom block storage device.
 Metadata loop file: /var/lib/docker/devicemapper/devicemapper/metadata
 Library Version: 1.02.135 (2016-09-26)
Logging Driver: json-file
Cgroup Driver: cgroupfs
Plugins:
 Volume: local
 Network: bridge host null overlay
Swarm: inactive
Runtimes: runc
Default Runtime: runc
Security Options: seccomp
Kernel Version: 4.7.2-1-ARCH
Operating System: Arch Linux
OSType: linux
Architecture: x86_64
CPUs: 4
Total Memory: 30.85 GiB
Name: omega
ID: IR7W:NSNN:F2B3:YP32:YTQJ:OFEB:2XLK:HHCK:HJ33:5K3O:KEHI:SDUB
Docker Root Dir: /var/lib/docker
Debug Mode (client): false
Debug Mode (server): false
Registry: https://index.docker.io/v1/
Insecure Registries:
 127.0.0.0/8
$ df -T
Filesystem     Type     1K-blocks      Used Available Use% Mounted on
dev            devtmpfs  16169500         0  16169500   0% /dev
run            tmpfs     16173076      2712  16170364   1% /run
/dev/sda3      ext4     447260560 371064976  53453004  88% /
tmpfs          tmpfs     16173076         0  16173076   0% /dev/shm
tmpfs          tmpfs     16173076         0  16173076   0% /sys/fs/cgroup
tmpfs          tmpfs     16173076      1144  16171932   1% /tmp
/dev/sda1      ext4        289293     45063    224774  17% /boot
tmpfs          tmpfs      3234612         8   3234604   1% /run/user/1000
/dev/sdb2      ext4     403042160  15056296 367489480   4% /run/media/ivan/backup
/dev/sda4      ext4     480580312 320608988 135536228  71% /run/media/ivan/ARCHIVES
/dev/sdb3      ext4     225472980   1473948 212522604   1% /run/media/ivan/data

๋„์›€์ด๋œ๋‹ค๋ฉด ...

๋‚˜๋Š” ์—ฌ๊ธฐ์—์„œ๋„ ๋™์ผํ•˜๊ฑฐ๋‚˜ ์œ ์‚ฌํ•œ ๋ฌธ์ œ๊ฐ€ ์žˆ๋‹ค๊ณ  ์ƒ๊ฐํ•ฉ๋‹ˆ๋‹ค. compose up -d๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ์„œ๋น„์Šค๋ฅผ ๋ฐฐํฌ ํ•œ ๋‹ค์Œ compose.yaml์—์„œ ์ด๋ฏธ์ง€ ์ด๋ฆ„์„ ๋‹ค๋ฅธ ์ด๋ฆ„์œผ๋กœ ์—…๋ฐ์ดํŠธํ•˜๊ณ  ๋‹ค๋ฅธ compose up -d๋ฅผ ์ˆ˜ํ–‰ํ•˜๋ฉด compose๊ฐ€ devicemapper ๊ด€๋ จ ์˜ค๋ฅ˜์™€ ํ•จ๊ป˜ ์‹คํŒจํ•ฉ๋‹ˆ๋‹ค.

์˜ค๋ฅ˜
์˜ค๋ฅ˜ : <> ๋“œ๋ผ์ด๋ฒ„ devicemapper๊ฐ€ ๋ฃจํŠธ ํŒŒ์ผ ์‹œ์Šคํ…œ์„ ์ œ๊ฑฐํ•˜์ง€ ๋ชปํ–ˆ์Šต๋‹ˆ๋‹ค. 216c098e0f051407863934c27111bd1e9b7561dff1c4d67c0f0d45a99505fa70 : ์žฅ์น˜๊ฐ€ ์‚ฌ์šฉ ์ค‘์ž…๋‹ˆ๋‹ค.

๋ฒ„์ „ ์ •๋ณด :
๋„์ปค ๋ฒ„์ „
๊ณ ๊ฐ:
๋ฒ„์ „ : 1.12.1
API ๋ฒ„์ „ : 1.24
Go ๋ฒ„์ „ : go1.6.3
ํž˜๋‚ด ์ปค๋ฐ‹ : 23cf638
์„ธ์›Œ์ง:
OS / ์•„์น˜ : linux / amd64

์„ฌ๊ธฐ๋Š” ์‚ฌ๋žŒ:
๋ฒ„์ „ : 1.12.1
API ๋ฒ„์ „ : 1.24
Go ๋ฒ„์ „ : go1.6.3
ํž˜๋‚ด ์ปค๋ฐ‹ : 23cf638
์„ธ์›Œ์ง:
OS / ์•„์น˜ : linux / amd64

์ž„์‹œ ํ•ด๊ฒฐ ๋ฐฉ๋ฒ•์œผ๋กœ ๋‹ค์‹œ ์‹คํ–‰ํ•˜๊ธฐ ์ „์— docker-compose down --rmi all์„ ์ถ”๊ฐ€ํ–ˆ์Šต๋‹ˆ๋‹ค.

Docker ๋ฒ„์ „์—์„œ๋„ ๋™์ผํ•œ ๋ฌธ์ œ๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค : 1.12.3

์ด ๋ฌธ์ œ๋ฅผ ๊ฒช๊ณ ์žˆ๋Š” ๋‚˜๋จธ์ง€ ์‚ฌ๋žŒ๋“ค์€ # 27381๊ณผ ๊ด€๋ จ์ด ์žˆ๋‹ค๊ณ  ํ™•์‹ ํ•ฉ๋‹ˆ๋‹ค.

๋‚˜๋Š” CentOs 7์˜ docker 1.12.3์—์„œ ์ด๊ฒƒ์„๋ณด๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.

dc2-elk-02 : / root / staging / ls-helper $ docker --version
Docker ๋ฒ„์ „ 1.12.3, ๋นŒ๋“œ 6b644ec
dc2-elk-02 : / root / staging / ls-helper $ uname -a
Linux dc2-elk-02 3.10.0-327.36.3.el7.x86_64 # 1 SMP Mon Oct 24 16:09:20 UTC 2016 x86_64 x86_64 x86_64 GNU / Linux
dc2-elk-02 : / root / staging / ls-helper $ docker rm ls-helper
๋ฐ๋ชฌ์˜ ์˜ค๋ฅ˜ ์‘๋‹ต : ๋“œ๋ผ์ด๋ฒ„ devicemapper๊ฐ€ ๋ฃจํŠธ ํŒŒ์ผ ์‹œ์Šคํ…œ e1b9cdeb519d2f4bea53a552c8b76c1085650aa76c1fb90c8e22cac9c2e18830 : ์žฅ์น˜๊ฐ€ ์‚ฌ์šฉ ์ค‘์ž…๋‹ˆ๋‹ค.

์ถ”์‹  : ๋‚˜๋Š” docker compose๋ฅผ ์‚ฌ์šฉํ•˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค.

ํ˜ธ์ŠคํŠธ๊ฐ€ ๋””์Šคํฌ ๊ณต๊ฐ„์„ ๋ฒ—์–ด๋‚œ ํ›„์— ๋ฌผ ๋ ธ์Šต๋‹ˆ๋‹ค.
๋งˆ์šดํŠธ ์ง€์ ์— ์˜ํ–ฅ์„ ๋ฏธ์น˜๋Š” ๋ชจ๋“  ๋ช…๋ น์ด ์ค‘๋‹จ๋ฉ๋‹ˆ๋‹ค ( "docker ps", "sync", "ls", ...)

๋น„์Šทํ•œ ๋ฌธ์ œ๊ฐ€ ์žˆ์—ˆ๋Š”๋ฐ ๋‚ด / var / log / syslog ํŒŒ์ผ์—์„œ ๋‹ค์Œ๊ณผ ๊ฐ™์€ ์˜ค๋ฅ˜๋ฅผ ๋ณด์•˜์Šต๋‹ˆ๋‹ค.
Dec 16 14:32:18 rzing dockerd[3093]: time="2018-12-16T14:32:18.627417173+05:30" level=error msg="Failed to load container mount 00d7b9d64ff6c465276e67f5a5e3642ebacd9616c7602d4361b3a7fab038510a: mount does not exist" Dec 16 14:32:18 rzing dockerd[3093]: time="2018-12-16T14:32:18.627816711+05:30" level=error msg="Failed to load container mount fb108b942f8ed87a9e1affb6480ed477a8f5f823b2639e36348cde4a97924c5e: mount does not exist"
/var/lib/docker/volumes ์—์„œ ๋งˆ์šดํŠธ ์ง€์ ์„ ๊ฒ€์ƒ‰ํ–ˆ์ง€๋งŒ ์ฐพ์ง€ ๋ชปํ–ˆ์Šต๋‹ˆ๋‹ค.
๋งˆ์ง€๋ง‰์œผ๋กœ ์‹œ์Šคํ…œ์„ ์žฌ๋ถ€ํŒ…ํ•˜๋ฉด ๋ฌธ์ œ๊ฐ€ ํ•ด๊ฒฐ๋˜์—ˆ์Šต๋‹ˆ๋‹ค.

์ด ํŽ˜์ด์ง€๊ฐ€ ๋„์›€์ด ๋˜์—ˆ๋‚˜์š”?
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