Dockerã¯ã docker info
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Ubuntu 13.10ã§lxc-dockerã䜿çšããŠããŸãïŒ
Linux ergodev-zed 3.11.0-14-generic #21-Ubuntu SMP Tue Nov 12 17:04:55 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
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docker pull stackbrew/ubuntu:13.10
ãããšãã¹ããŒã¹äœ¿çšéãå¢å ãã以åã¯docker info
ãšå ±åãããŸããã
Containers: 0
Images: 0
Driver: devicemapper
Pool Name: docker-252:0-131308-pool
Data file: /var/lib/docker/devicemapper/devicemapper/data
Metadata file: /var/lib/docker/devicemapper/devicemapper/metadata
Data Space Used: 291.5 Mb
Data Space Total: 102400.0 Mb
Metadata Space Used: 0.7 Mb
Metadata Space Total: 2048.0 Mb
WARNING: No swap limit support
ãããŠdocker pull stackbrew/ubuntu:13.10
ïŒ
Containers: 0
Images: 3
Driver: devicemapper
Pool Name: docker-252:0-131308-pool
Data file: /var/lib/docker/devicemapper/devicemapper/data
Metadata file: /var/lib/docker/devicemapper/devicemapper/metadata
Data Space Used: 413.1 Mb
Data Space Total: 102400.0 Mb
Metadata Space Used: 0.8 Mb
Metadata Space Total: 2048.0 Mb
WARNING: No swap limit support
ãããŠã docker rmi 8f71d74c8cfc
åŸã«ã次ã®å€ãè¿ãããŸãã
Containers: 0
Images: 0
Driver: devicemapper
Pool Name: docker-252:0-131308-pool
Data file: /var/lib/docker/devicemapper/devicemapper/data
Metadata file: /var/lib/docker/devicemapper/devicemapper/metadata
Data Space Used: 291.5 Mb
Data Space Total: 102400.0 Mb
Metadata Space Used: 0.7 Mb
Metadata Space Total: 2048.0 Mb
WARNING: No swap limit support
å¯äžã®åé¡ã¯ãããŒã¿ãã¡ã€ã«ãstat
ããã414MiBïŒ849016 512ãã€ãã»ã¯ã¿ãŒãããã¯ïŒã«æ¡åŒµãããããšã§ãã ãã®ã¹ããŒã¹ã®äžéšã¯ãç»åãåé€ãããåŸã«é©åã«åå©çšãããŸãããããŒã¿ãã¡ã€ã«ãçž®å°ããããšã¯ãããŸããã ãããŠãããäžæè°ãªç¶æ³ïŒãŸã åçŸã§ããªãïŒã®äžã§ã291.5 MiBãå²ãåœãŠãããŠãããåå©çšããããšããã§ããŸããã
ã€ã³ã¹ããŒã«ãããŠããã€ã¡ãŒãžã0ã®å Žåã dmsetup ls
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# dmsetup ls
docker-252:0-131308-pool (252:2)
ergodev--zed--vg-root (252:0)
cryptswap (252:1)
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# du /var/lib/docker/devicemapper/devicemapper/data -h
656M /var/lib/docker/devicemapper/devicemapper/data
Dockerã§ã¹ããŒã¹ãåå©çšããã«ã¯ã©ãããã°ããã§ããïŒãŸããç»åãåé€ããããšãã«Dockerãèªåçã«ãããè¡ããªãã®ã¯ãªãã§ããïŒ
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@AaronFriel ãã©ã®ããŒãžã§ã³ã®Dockerã䜿çšããŠããŸããïŒ 0.7.1ïŒ
/ cc @regilero ïŒïŒ2276ã«ããªã³ã¯ïŒ
æ°ãã/ var / lib / dockerããéå§ïŒ
# ls -lsh /var/lib/docker/devicemapper/devicemapper/*
292M -rw-------. 1 root root 100G Dec 12 17:29 /var/lib/docker/devicemapper/devicemapper/data
4.0K -rw-------. 1 root root 89 Dec 12 17:29 /var/lib/docker/devicemapper/devicemapper/json
732K -rw-------. 1 root root 2.0G Dec 12 17:31 /var/lib/docker/devicemapper/devicemapper/metadata
# docker info
Containers: 0
Images: 0
Driver: devicemapper
Pool Name: docker-0:31-15888696-pool
Data file: /var/lib/docker/devicemapper/devicemapper/data
Metadata file: /var/lib/docker/devicemapper/devicemapper/metadata
Data Space Used: 291.5 Mb
Data Space Total: 102400.0 Mb
Metadata Space Used: 0.7 Mb
Metadata Space Total: 2048.0 Mb
次ã«ãdockerãbusyboxããã«ããåŸãå°ã倧ãããªããŸããã
# ls -lsh /var/lib/docker/devicemapper/devicemapper/*
297M -rw-------. 1 root root 100G Dec 12 17:31 /var/lib/docker/devicemapper/devicemapper/data
4.0K -rw-------. 1 root root 181 Dec 12 17:31 /var/lib/docker/devicemapper/devicemapper/json
756K -rw-------. 1 root root 2.0G Dec 12 17:31 /var/lib/docker/devicemapper/devicemapper/metadata
# docker info
Containers: 0
Images: 1
Driver: devicemapper
Pool Name: docker-0:31-15888696-pool
Data file: /var/lib/docker/devicemapper/devicemapper/data
Metadata file: /var/lib/docker/devicemapper/devicemapper/metadata
Data Space Used: 296.6 Mb
Data Space Total: 102400.0 Mb
Metadata Space Used: 0.7 Mb
Metadata Space Total: 2048.0 Mb
docker rmibusyboxã¯ãã¡ã€ã«ã倧ããããŸããããdevicemapperããŒã«ã®ç©ºã容éãå¢ãããŸãã
# ls -lsh /var/lib/docker/devicemapper/devicemapper/*
298M -rw-------. 1 root root 100G Dec 12 17:32 /var/lib/docker/devicemapper/devicemapper/data
4.0K -rw-------. 1 root root 89 Dec 12 17:32 /var/lib/docker/devicemapper/devicemapper/json
772K -rw-------. 1 root root 2.0G Dec 12 17:32 /var/lib/docker/devicemapper/devicemapper/metadata
# docker info
Containers: 0
Images: 0
Driver: devicemapper
Pool Name: docker-0:31-15888696-pool
Data file: /var/lib/docker/devicemapper/devicemapper/data
Metadata file: /var/lib/docker/devicemapper/devicemapper/metadata
Data Space Used: 291.5 Mb
Data Space Total: 102400.0 Mb
Metadata Space Used: 0.7 Mb
Metadata Space Total: 2048.0 Mb
ã€ã¡ãŒãžãå床ããŠã³ããŒãããŠããã«ãŒãããã¯ãã¡ã€ã«ã¯å€§ãããªããŸããã
# ls -lsh /var/lib/docker/devicemapper/devicemapper/*
298M -rw-------. 1 root root 100G Dec 12 17:32 /var/lib/docker/devicemapper/devicemapper/data
4.0K -rw-------. 1 root root 181 Dec 12 17:32 /var/lib/docker/devicemapper/devicemapper/json
772K -rw-------. 1 root root 2.0G Dec 12 17:32 /var/lib/docker/devicemapper/devicemapper/metadata
# docker info
Containers: 0
Images: 1
Driver: devicemapper
Pool Name: docker-0:31-15888696-pool
Data file: /var/lib/docker/devicemapper/devicemapper/data
Metadata file: /var/lib/docker/devicemapper/devicemapper/metadata
Data Space Used: 296.6 Mb
Data Space Total: 102400.0 Mb
Metadata Space Used: 0.7 Mb
Metadata Space Total: 2048.0 Mb
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cd lib
cat libc.so.6 libc.so.6 libc.so.6 libc.so.6 libc.so.6 libc.so.6 libc.so.6 libc.so.6 libc.so.6 lib
c.so.6 libc.so.6 libc.so.6 libc.so.6 libc.so.6 libc.so.6 libc.so.6 libc.so.6 libc.so.6 libc.so.6 libc.so
.6 libc.so.6 libc.so.6 libc.so.6 libc.so.6 libc.so.6 libc.so.6 > a_file.bin
/lib # ls -l a_file.bin
-rw-r--r-- 1 root root 47090160 Dec 12 16:41 a_file.bin
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~/w/e/video_history â¯â¯â¯ docker info
Containers: 0
Images: 0
Storage Driver: devicemapper
Pool Name: docker-254:3-585-pool
Data file: /var/lib/docker/devicemapper/devicemapper/data
Metadata file: /var/lib/docker/devicemapper/devicemapper/metadata
Data Space Used: 948.4 Mb
Data Space Total: 102400.0 Mb
Metadata Space Used: 1.0 Mb
Metadata Space Total: 2048.0 Mb
Execution Driver: native-0.2
Kernel Version: 3.14.4-1-ARCH
WARNING: No swap limit support
~/w/e/video_history â¯â¯â¯ sudo ls -alh /var/lib/docker/devicemapper/devicemapper/data
-rw------- 1 root root 100G Jun 4 14:35 /var/lib/docker/devicemapper/devicemapper/data
~/w/e/video_history â¯â¯â¯ sudo du -shc /var/lib/docker/devicemapper/
1.6G /var/lib/docker/devicemapper/
1.6G total
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@SvenDowideit @shykes @vieux @alexlarsson @Zolmeister @creack @crosbymichael @dhrp @ jamtur01 @tianon @erikh @ LK4D4
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DockerããŒã ïŒèª¿æ»ãè¡ã£ãŠã圱é¿ãåããã«ãŒãã«ããŒãžã§ã³ããã®çç±ãããã³åé¡ãä¿®æ£ããããããç¹å®ããææžåããŠãã ããã ãã®æ å ±ãããµããŒãããŠããã«ãŒãã«ããŒãžã§ã³ãšãšãã«å ¬éããŸããããã¯ãDockerã®ã³ã³ã·ã¥ãŒããŒããã®åé¡ã«äœåºŠãäœåºŠãæ©ãŸãããŠããããã§ããããã¯ããã®åé¡ã«é¢ããã¡ãŒã«ãæ¯é±1ã2é±éå±ããŠããããšãããããããŸãã çå£ã«ãããã¯é倧ãªåé¡ã§ããã1.0ããåããåé¡ãšãªã£ãŠããŸãã
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bã dm-docker
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å人çã«ã¯ãCoreOSã¯Dockerçšã®å¯äžã®å®å®ããLinuxãã£ã¹ããªãã¥ãŒã·ã§ã³ã ãšæããŸãïŒãã®åé¡ã解決ããããŸã§ïŒã
DockerããŒã ïŒãã®åé¡ã®åå ãã³ã³ããŒãã³ãã§ã¯ãªãããšã¯ããã£ãŠããŸãããä»ã®Linuxãã£ã¹ããªãã¥ãŒã·ã§ã³ã§ããœãããŠã§ã¢ã䜿çšã§ããããã«æ¯æŽããŠãã ããã ãã®åé¡ãDockerã®ããç¥ãããå¶éãšããŠããã¥ã¡ã³ãã«èšèŒããŠãä»ã®äººãæéãç¡é§ã«ããªãããã«ã§ããã°åé¡ãããŸããã
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ïŒã¯ããŒãºãããïŒgithubã®åé¡ãªã¹ããæãäžãããããããã®åé¡ã«ã€ããŠãã£ãšæçœãªããšãããã°ããã®ã«ãšæããŸãã ãããæ ¹æ¬çãªåé¡ã§ããããšãå®éã«çºèŠããã®ã«é·ãæéããããããã®åé¡ãå¯èŠåã§ããã°ããã£ããšæããŸãã
ç§ãã¡ã®äžæµã®ããã€ã¹ããããŒéçºè ïŒç§èªèº«ãšJoe ThornberïŒã¯ããã®åé¡ãäŸç¶ãšããŠäººã ã®åé¡ã§ããããšãå®å šã«_ãŒã_èªèããŠããŸããã ç§ãã¡ãèŠããç§ãã¡ã¯ãããç¥ããããåŸïŒ2013幎12æã«ããã@alexlarssonããã¯ã§ïŒããã«åé¡ãä¿®æ£ãããã®æç¹ã§_all_å®å®ã«ãŒãã«ã«å«ããããã«ãããã¿ã°ä»ãïŒ http://git.kernel.org/linus/19fa1a6756ed9e9 ïŒ "dm thinïŒä»¥åã«å ±æããããããã¯ãžã®ç Žæ£ãµããŒããä¿®æ£"ïŒ
Joe Thornberã¯ã @ alexlarssonãdockergoã³ãŒãã«trim-poolãå®è£
ããŠããããšã«
https://github.com/jthornber/thin-provisioning-tools/commit/8e921580554ed91e84bb68ea32a8c2ea47ad6ff3
ã€ãŸããã¢ããã¹ããªãŒã ã³ããã19fa1a6756ed9e9ïŒ "dm thinïŒä»¥åã«å ±æããããããã¯ãžã®ç Žæ£ãµããŒããä¿®æ£ãã"ïŒãæããªãã«ãŒãã«ãå®è¡ããŠãããŠãŒã¶ãŒã¯ãããé©åã«ãµããŒããããã«ãŒãã«ãå®è¡ããããšã«ãã£ãŠãããä¿®æ£ããå¿ èŠããããŸãã ç°¡åã«ã¡ã¢ã[email protected]ã«éä¿¡ããŠãä¿®æ£ããªãå®å®ããã«ãŒãã«ã«ä¿®æ£ãåãæ»ãããšãã§ããŸãã ãããã£ãŠããã®ä¿®æ£ãé©çšãããŠããªãå®å®ããã«ãŒãã«ãããå Žåã¯ãããããç¥ãããã ããã
ä»åŸã¯ãdockerã䜿çšããŠããã·ã³ããŒã«ããã€ã¹ã«å¯ŸããŠå®æçã«ãthin_trimããå®è¡ããããã«ããŸãã ãããããthin_trimãããã£ã¹ããªãã¥ãŒã·ã§ã³ã§åºãå©çšå¯èœã«ãªã£ããããã®æ©ãæž¡ããŸãã
@shabbychef @daniellockardããããAUFã¯éæšå¥šã§ã¯ãããŸãã-æåã«ããããã®åé¡ã®1ã€ã ããéããããèªãã§ãããšã httpsïŒ //github.com/docker/docker/issues/783#issuecomment-38731137ã¯èªã䟡å€ããããŸãïŒ
Our initial plan was to phase out aufs completely because devmapper appeared
to be the best option in 100% of cases. That turned out not to be true, there
are tradeoffs depending on your situation and so we are continuing to maintain both.
@snitm hack/check_config.sh
ã«äœããè¿œå ããŠãã«ãŒãã«ã«ãã®ãããããªãããšããŠãŒã¶ãŒã«äŒããããšãã§ããŸããïŒ
@SvenDowideitæ®å¿µãªãããåé¡ã®å€æŽã¯ä»»æã®ã«ãŒãã«ã§èå¥ãããŠããŸããã åå¿è ã®å Žåãã³ããã19fa1a6756ed9e9ã¯ãã·ã³ãŸãã¯ã·ã³ããŒã«ã¿ãŒã²ããã®ããŒãžã§ã³ããã³ãããŸããã§ããã ãããããããè¡ããããšããŠãããã®ããŒãžã§ã³ã¯ãã¹ãŠã®å®å®ããã«ãŒãã«éã§ç°ãªããŸãïŒãããã£ãŠããå®å®ãããã³ãããå ã®ããŒãžã§ã³ãã³ãã¯æªãã§ã..ã³ããããããã¯ããŒãããããã¹ãŠã®ã«ãŒãã«ã®æåç·šéã®åå ãšãªãããïŒã
ãã ããã·ã³ããã³ã·ã³ããŒã«ã®ã¿ãŒã²ããããŒãžã§ã³ã1.12.0以äžã®ãŠãŒã¶ãŒã¯ããã¹ãŠä¿®æ£ãããŸãã ãããã£ãŠãã«ãŒãã«> = 3.15ã§ãã ãŠãŒã¶ãŒãå®è¡ããŠããDockerã«ã¯ã
åèãŸã§ã«ããdmsetupã¿ãŒã²ããããå®è¡ãããšãã·ã³ããŒã«ã¿ãŒã²ããããŒãžã§ã³ãšã·ã³ããŒã«ã¿ãŒã²ããããŒãžã§ã³ãäžèŠ§è¡šç€ºãããŸãïŒdm-thin-poolã«ãŒãã«ã¢ãžã¥ãŒã«ãããŒããããŠããå ŽåïŒã
ããã«æ³šæãæã£ãŠãããŠããããšãã å é±ã®ReïŒInventã®ããŒã¹ã®ç·ã«ããã«ã€ããŠè©±ããŸããã
@snitmãªã®ã§ã dmsetup targets
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@snitm
ã·ã³ããããžã§ãã³ã°ãããããã€ã¹ããããŒããã€ã¹ãäœæããããããé©çšãããŠããªãã«ãŒãã«ã®ç©ºãé åãåå©çšã§ããªãæäœãå®è¡ããããã«åºã¥ããŠã¹ããŒã¿ã¹ã³ãŒããå ±åããèªåãã¹ããäœæããããšã¯å¯èœã§ããããïŒ
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@AaronFrielã¯ç¯å²ãéåžžã«çãããã§ããã®ç¹å®ã®ä¿®æ£ã«ãã ãã£ãŠããŸãã DMã·ã³ããããžã§ãã³ã°ã®ãšã³ã¿ãŒãã©ã€ãºã°ã¬ãŒãã®å±éã«ã¯ããã®ä¿®æ£ãå®æœãããŠããããšã確èªããã ãã§ã¯ãããŸããïŒæ®å¿µãªããçŸå®ïŒã DMã·ã³ããããžã§ãã³ã°ã¿ãŒã²ããã§ã¯ãã³ããã19fa1a675ãã¢ããã¹ããªãŒã ã«ç§»è¡ããŠä»¥æ¥ãå€æ°ã®ãšã©ãŒåŠçãããã©ãŒãã³ã¹ãããã³æ©èœã®æ¹åãèŠãããŸããã ãããã¯ãã¹ãŠãDMã·ã³ããããžã§ãã³ã°ãæ¬çªç°å¢ã«å±éãããšãã«éèŠã§ãã
ã§ããããäžæ©åŸéããŠãã¬ã€ã€ãŒã補åã¯ãã¹ãŠã®åºç€ãšãªãã¬ã€ã€ãŒãšå調ããŠéçºããå¿ èŠãããããšãç解ããŠããäŒç€Ÿã§åãããšã楜ããããšãã§ããŸãã ãŸããDockerãšãã¢ã«ãªã£ãŠããNåã®ä»»æã®ã«ãŒãã«ã®DMã·ã³ããããžã§ãã³ã°ããµããŒãããããšã«ã»ãšãã©é¢å¿ããããŸããã
ãããŠãç§ã¯ããŸããŸãã«ãŒãããã¯ããã€ã¹ããããã³ã°ããã€ã¹ãšããŠäœ¿çšããDMã·ã³ããããžã§ãã³ã°ã䜿çšããã¹ãã§ã¯ãªããš_匷ã_ä¿¡ããŠããŸãã ããã¯å®å šãªããã¯ã§ããããããã¯æ¬çªç°å¢ã§ã¯ã©ã®ããã«èŠãããããé©åã«å¶éãããå¿é ãããããããšãªããDockerã«çµ±åãããŸããã
DMã·ã³ããããžã§ãã³ã°ã«Dockerãé©åã«ãããã€ããã«ã¯ãlvm2ããŒã¹ã®ã·ã³ããããžã§ãã³ã°æ§æãæäŸãããšã³ã¿ãŒãã©ã€ãºæåã®ç®¡çæ©èœãå¿
èŠã§ããããšã«æ°ä»ããŸããã ãã®ããšã念é ã«çœ®ããŠãç§ã¯æ°ãããã€ããªãã管çãœãªã¥ãŒã·ã§ã³ãæ©èœãããããšã«çå®ã«åãçµãã§ããŸããã次ã®PRãåç
§ããŠãã ããã
https://github.com/docker/docker/pull/9006
ãã®äœæ¥ã¯ä»¥äžã«äŸåããŸãïŒ
1ïŒlvm2> = 2.02.112
2ïŒDMã·ã³ããŒã«ã¿ãŒã²ããããŒãžã§ã³> = v1.14.0ïŒå¥åãLinuxã§ã¹ããŒãžã³ã°ãããå€æŽ-Linux 3.19ãå«ã次ã®ããŒãžã§ã³ïŒ
RHEL7.1ã«ã¯ãããã®å€æŽããããŸãã ãããŠãRHELAHïŒã¢ãããã¯ãã¹ãïŒãããããŸãã DockerãDMã·ã³ããããžã§ãã³ã°ã«é©åã«ãããã€ãããä»ã®ãã£ã¹ããªãã¥ãŒã·ã§ã³/補åããããã¹ãã§ãã
@snitmãã-ç§ã¯ã
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@SvenDowideit OKããã®ã³ã¡ã³ãã§ãdockerïŒãŸãã¯ãã®ãŠãŒã¶ãŒïŒãã«ãŒãããã¯ã®äºææ§ã«é¢ããDMã·ã³ãããã§ãã¯ããããã«äœ¿çšã§ããæ å ±ãæäŸããŸããïŒ https ïŒ
@ snitm ã@ AaronFriel
AWS BeanstalkãAmazonAMIã§ãã®åé¡ã®ããã«èŠããåé¡ãçºçããŠããŸãã
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Linux ip-172-31-63-145 3.14.23-22.44.amzn1.x86_64ïŒ1 SMP Tue Nov 11 23:07:48 UTC 2014 x86_64 x86_64 x86_64 GNU / Linux
$ sudodockerããŒãžã§ã³
ã¯ã©ã€ã¢ã³ãããŒãžã§ã³ïŒ1.3.2
ã¯ã©ã€ã¢ã³ãAPIããŒãžã§ã³ïŒ1.15
GoããŒãžã§ã³ïŒã¯ã©ã€ã¢ã³ãïŒïŒgo1.3.3
Gitã³ãããïŒã¯ã©ã€ã¢ã³ãïŒïŒc78088f / 1.3.2
OS / ArchïŒã¯ã©ã€ã¢ã³ãïŒïŒlinux / amd64
ãµãŒããŒããŒãžã§ã³ïŒ1.3.2
ãµãŒããŒAPIããŒãžã§ã³ïŒ1.15
GoããŒãžã§ã³ïŒãµãŒããŒïŒïŒgo1.3.3
Gitã³ãããïŒãµãŒããŒïŒïŒc78088f / 1.3.2
Ubuntu14.04ãšDocker1.4.1ã§ããã®ãšã©ãŒãçºçããŸãã
ã·ã³ããŒã«ãšã·ã³ããŒãžã§ã³ã1.12.0以äžã§ããããšãæåŸ ããªãã§ãã ãããåé¡ããªãããšãæå³ããŸãã2.6.32-431.29.2.el6.x86_64ã«ãŒãã«ã§CentOS6.5 VMãå®è¡ããŠãããdmsetupã¿ãŒã²ããã¯æ¬¡ã®ããã«å ±åããŠããŸãã thin-poolãšthinã¯ã©ã¡ããv1.12.0ã§ãã ããããç§ã¯èªåèªèº«ã解æŸããŠããªã40GBã®ããŒã¿ãã¡ã€ã«ã§ç«ã¡åŸçããŠããŸãã
ãã®ãã°ã§CentOS / RHEL 6.5ã§ãããå®è¡ãããšã©ã®ãããªåœ±é¿ããããŸããïŒ 100G以äžã®ç©ºã容éã§å€§äžå€«ã§ããã ç§ã¯ãããæçµçã«ä»»æã®ãµã€ãºã®ãã£ã¹ã¯ãæºãããšæããŸããïŒ ãããšã100Gã§å¶éãããŠããŸããïŒ
6.5ã«ã¯centosã§å©çšã§ããææ°ã®ã«ãŒãã«ããªãããšã«æ³šæããŠãã ããã 6.6ãžã®åçŽãªãyumupdateããš2.6.32-504.3.3ã«ãŒãã«ã§ãã¹ãããããã®åèµ·åããå§ãããŸãã
CentOS 6ã®ææ°ã®ã«ãŒãã«ãšãã£ã¹ããªãã¥ãŒã·ã§ã³ã®æŽæ°ãæ£åžžã«æ©èœããã¹ããŒã¹ã解æŸãããããšã確èªããŸãã
ripienaarïŒäœ¿çšããŠããCentOS 6ãšã«ãŒãã«ã®ããŒãžã§ã³ãæ瀺çã«è¿°ã¹ãããšã¯ã§ããŸããïŒ æ å ±ãæž¡ããšãã«ãå¿ èŠãªãã¹ãŠã®æ å ±ãæã£ãŠããããšã確èªãããã ãã§ãã
ããããšãã
@reizãäžã§ã³ã¡ã³ãããããã«ãããã¯ææ°ã®Ubuntu Dockerã§çºçããŠããŸãã dmsetupã¿ãŒã²ããã¯ãã€ã³ã¹ã¿ã³ã¹ã®1ã€ã§v1.9.0ã®ã·ã³/ã·ã³ããŒã«ã衚瀺ããŸãïŒã¢ã¯ãã£ããªDockerã³ã³ãããŒã¯ãããŸããïŒãdmsetupã¿ãŒã²ããã¯ãã¢ã¯ãã£ããªDockerã³ã³ãããŒãæã€åæ§ã®ã€ã³ã¹ã¿ã³ã¹ã§ã·ã³ãšã³ããªã衚瀺ããŸããã ïŒç§ã¯ããã«ã€ããŠå®éã«å©ããæ±ããŠããã®ã§ã¯ãªããïŒããŸãããã°ïŒããŒã¿ãè¿œå ããã ãã§ããïŒ
åºæ¬çãªOSã®ãã®ïŒ
# uname -a
Linux vagrant-centos65 2.6.32-504.3.3.el6.x86_64 #1 SMP Wed Dec 17 01:55:02 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
# cat /etc/redhat-release
CentOS release 6.6 (Final)
# dmsetup targets
thin-pool v1.14.0
thin v1.14.0
mirror v1.12.0
striped v1.5.6
linear v1.1.0
error v1.2.0
# dmsetup status
docker-8:1-393542-pool: 0 209715200 thin-pool 92343 178/524288 4664/1638400 - rw discard_passdown queue_if_no_space
䜿çšæ³ïŒ
# du -h /var/lib/docker/
2.7G /var/lib/docker/devicemapper/devicemapper
# docker rmi b39b81afc8ca
# du -h /var/lib/docker/
2.5G /var/lib/docker/devicemapper/devicemapper
ãã®ã«ãŒãã«ã«å ¥ãåã¯ãã¹ããŒã¹ãå埩ããŸããã§ããã
@jperrinã¯ããããcentosã«ãŒãã«2.6.32-504.3.3ã䜿çšããŠè§£æ±ºããããšè¿°ã¹ãŠããŸãã ãã®åé¡ã解決ããã«ãŒãã«ã³ãããïŒã³ãããã®ã»ããïŒïŒã¯ããã£ãŠããŸããïŒ
çŸåšãOracle Enterprise Linux 3.8UEKã®1ã€ã䜿çšããŠããŸãã
ãã®ç¶æ³ã®åé¿çã¯ãããŸããïŒ AWSã§ã¯ã€ã³ã¹ã¿ã³ã¹ãåäœæããã®ã¯ç°¡åã§ãããããŒã«ã«éçºç°å¢ã§ã¯ãdockerã®ããã«/ varããŒãã£ã·ã§ã³ãdevice-mapperã«ãã£ãŠ90ïŒ ææãããŠããããšã«æ°ä»ãã®ã¯è¯ããããŸããã ããã«ãã°ããžã£ãŒãã«ã®ããã®ã¹ããŒã¹ããªããªããŸã
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Ubuntu Trusty 14.04 (LTS) (64-bit)
Ubuntu Precise 12.04 (LTS) (64-bit)
Ubuntu Raring 13.04 and Saucy 13.10 (64 bit)
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@sagiegurari
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åé¡ãéãããŸãŸã«ããŠããããšã¯ãå®éã«åçŸå¯èœãªåé¡ãããå Žåã«ã®ã¿æå³ããããšæããŸãã ããã§ãªããã°ããã®åé¡ã®ãªã¹ãã¯å¢ãç¶ããã©ãã«çŠç¹ãåœãŠãã¹ãããå€æããã®ã¯å°é£ã§ãã
ããªãããããæã£ããã誰ãããªãããã®åé¡ã«ããã«ããŒã¿ãè¿œå ããã®ãæ¢ããŸããã
@rhvgoyalææ°ã®ã¢ããã¹ããªãŒã ã§ã©ã®ã¿ã°ãåç §ããŠããŸããïŒ
@rhvgoyalææ°ã®ã³ããããèšããŸãã ææ°ã®gitããªãŒã®ã¯ããŒã³ãäœæããŠãã¹ãããŸãã ããã¯æ¬åœã«éèŠã§ããïŒ
å€ãdockerãªãªãŒã¹ãšå€ãã«ãŒãã«ã§éåžžã«å€ãã®åé¡ãå ±åãããŠããŸãã æåã®ã¹ãããã¯ãåãåé¡ãææ°ã®Dockerãšæ¯èŒçæ°ããkernerlã§è¡šç€ºããããã©ããã確èªããããšã ãšæããŸãã ããããŸã åé¡ãªã®ãããããšãå€ãããŒãžã§ã³ã§ã¯ä¿®æ£ãããŠããªããã®ãªã®ããããããŸãã
誰ããæ»ã£ãŠããŠãå°æ¥ãããèªããšããããã§ãã ä¿®æ£ãããããŒãžã§ã³ãç¥ããããšæã£ãŠããŸããã
ã«ãŒãããã¯ããã€ã¹ã®å Žåã¯ç Žæ£ãçºè¡ããŸãã ããã¯å®éã«ã¯ãã£ãšæã«è¡ãããŸããã 1.6ã«ã¯ããã¹ãã ãšæããŸãã
@stanislavbã¯1.6ã§ãã¹ãããããã¯åœŒã®ããã«åããŸããã
ãã®å·ã®æåã®ã³ã¡ã³ããåç §ãããšãcentos7ã§v1.6.0ãè©ŠãããããŸã åé¡ãçºçããŠããããšãããããŸãã
@alexDrinkwater
ããããŸããããããåçŸã§ããŸããïŒ ã©ã®ãããªçš®é¡ã®ã·ã³ããŒã«ã䜿çšããŸãããïŒã«ãŒãããã€ã¹ã®äžã«ïŒïŒã dockerãåèµ·åããŸãããããããšãdockerãåããŠèµ·åãããšãã«çºçããŸããïŒ
å Žåã«ãã£ãŠã¯ãdockerãã«ãŒãããã€ã¹ã䜿çšããŠããdockerãåèµ·åãããããšããããŸããäžéšã®ããã€ã¹ãã©ããã§ããžãŒã§ãã£ãããã«ãããŒã«ãã·ã£ããããŠã³ãããªãã£ãå¯èœæ§ããããŸãã Dockerãåèµ·åãããš
ãã§ã«ããã«ããããŒã«ãæ€åºããã«ãŒãããã¯ããã€ã¹ã䜿çšãããŠããããšãèªèãããç Žæ£ãçºè¡ããŸããã ããªãããã®ç¶æ³ã«åºããããã®ã ãããïŒ
DockerããŒãžã§ã³1.6.2.el7ããã«ãc3ca5bb / 1.6.2
[root<strong i="8">@b2</strong> ~]# docker info
Containers: 1
Images: 320
Storage Driver: devicemapper
Pool Name: docker-8:2-1076248517-pool
Pool Blocksize: 65.54 kB
Backing Filesystem: xfs
Data file:
Metadata file:
Data Space Used: 10.74 GB
Data Space Total: 107.4 GB
Data Space Available: 96.63 GB
Metadata Space Used: 22.8 MB
Metadata Space Total: 2.147 GB
Metadata Space Available: 2.125 GB
Udev Sync Supported: true
Library Version: 1.02.93-RHEL7 (2015-01-28)
Execution Driver: native-0.2
Kernel Version: 3.10.63-11.el7.x86_64
Operating System: CentOS Linux 7 (Core)
CPUs: 32
Total Memory: 31.52 GiB
[root<strong i="11">@b2</strong> ~]# df
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/sda2 483443064 13100584 470342480 3% /
[root<strong i="15">@b2</strong> ~]# docker info
Containers: 1
Images: 143
Storage Driver: devicemapper
Pool Name: docker-8:2-1076248517-pool
Pool Blocksize: 65.54 kB
Backing Filesystem: xfs
Data file:
Metadata file:
Data Space Used: 7.215 GB
Data Space Total: 107.4 GB
Data Space Available: 100.2 GB
Metadata Space Used: 14.68 MB
Metadata Space Total: 2.147 GB
Metadata Space Available: 2.133 GB
Udev Sync Supported: true
Library Version: 1.02.93-RHEL7 (2015-01-28)
Execution Driver: native-0.2
Kernel Version: 3.10.63-11.el7.x86_64
Operating System: CentOS Linux 7 (Core)
CPUs: 32
Total Memory: 31.52 GiB
[root<strong i="18">@b2</strong> ~]# df
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/sda2 483443064 9665924 473777140 2% /
@alexDrinkwater
ããŠãã¡ããã©ä»ãcentos7ã€ã¡ãŒãžãèµ·åããŠdocker 1.6ãè©ŠããŸããããåé¡ã¯èŠãããŸããã æé ã¯æ¬¡ã®ãšããã§ãã
[ root @ centos7-genericã ]
ã¯ã©ã€ã¢ã³ãããŒãžã§ã³ïŒ1.6.0
ã¯ã©ã€ã¢ã³ãAPIããŒãžã§ã³ïŒ1.18
GoããŒãžã§ã³ïŒã¯ã©ã€ã¢ã³ãïŒïŒgo1.4.2
Gitã³ãããïŒã¯ã©ã€ã¢ã³ãïŒïŒ8aae715 / 1.6.0
OS / ArchïŒã¯ã©ã€ã¢ã³ãïŒïŒlinux / amd64
ãµãŒããŒããŒãžã§ã³ïŒ1.6.0
ãµãŒããŒAPIããŒãžã§ã³ïŒ1.18
GoããŒãžã§ã³ïŒãµãŒããŒïŒïŒgo1.4.2
Gitã³ãããïŒãµãŒããŒïŒïŒ8aae715 / 1.6.0
OS / ArchïŒãµãŒããŒïŒïŒlinux / amd64
ã€ã³ããŒããããç»åã¯ãã§ã«1ã€ãããŸãã
[ root @ centos7-genericã ]
ãªããžããªã¿ã°ç»åIDäœæãããä»®æ³ãµã€ãº
docker.io/fedoraææ°ã®ded7cd95e0592é±éå186.5MB
Dockeræ å ±ã®åºåã¯æ¬¡ã®ãšããã§ãã
root @ centos7-genericã ]
ã³ã³ããïŒ0
ç»åïŒ2
ã¹ãã¬ãŒãžãã©ã€ããŒïŒdevicemapper
ããŒã«åïŒdocker-253ïŒ1-50331788-pool
ããŒã«ã®ãããã¯ãµã€ãºïŒ65.54 kB
ãããã³ã°ãã¡ã€ã«ã·ã¹ãã ïŒxfs
ããŒã¿ãã¡ã€ã«ïŒ/ dev / loop0
ã¡ã¿ããŒã¿ãã¡ã€ã«ïŒ/ dev / loop1
䜿çšãããããŒã¿ã¹ããŒã¹ïŒ525.5 MB
ããŒã¿ã¹ããŒã¹ã®åèšïŒ107.4 GB
䜿çšå¯èœãªããŒã¿ã¹ããŒã¹ïŒ20 GB
䜿çšãããã¡ã¿ããŒã¿ã¹ããŒã¹ïŒ892.9 kB
ã¡ã¿ããŒã¿ã¹ããŒã¹ã®åèšïŒ2.147 GB
å©çšå¯èœãªã¡ã¿ããŒã¿ã¹ããŒã¹ïŒ2.147 GB
ãµããŒããããŠããUdevåæïŒtrue
ããŒã¿ã«ãŒããã¡ã€ã«ïŒ/ var / lib / docker / devicemapper / devicemapper / data
ã¡ã¿ããŒã¿ã«ãŒããã¡ã€ã«ïŒ/ var / lib / docker / devicemapper / devicemapper / metadata
ã©ã€ãã©ãªããŒãžã§ã³ïŒ1.02.93-RHEL7ïŒ2015-01-28ïŒ
å®è¡ãã©ã€ããŒïŒãã€ãã£ã-0.2
ã«ãŒãã«ããŒãžã§ã³ïŒ3.10.0-229.el7.x86_64
ãªãã¬ãŒãã£ã³ã°ã·ã¹ãã ïŒCentOS Linux 7ïŒã³ã¢ïŒ
CPUïŒ2
[ root @ centos7-genericã ] fedora
ã¿ã°ãªãïŒ fedoraïŒææ°
åé€æžã¿ïŒded7cd95e059788f2586a51c275a4f151653779d6a7f4dad77c2bd34601d94e4
åé€ïŒ48ecf305d2cf7046c1f5f8fcbcd4994403173441d4a7f125b1bb0ceead9de731
[ root @ centos7-genericã ]
ã³ã³ããïŒ0
ç»åïŒ0
ã¹ãã¬ãŒãžãã©ã€ããŒïŒdevicemapper
ããŒã«åïŒdocker-253ïŒ1-50331788-pool
ããŒã«ã®ãããã¯ãµã€ãºïŒ65.54 kB
ãããã³ã°ãã¡ã€ã«ã·ã¹ãã ïŒxfs
ããŒã¿ãã¡ã€ã«ïŒ/ dev / loop0
ã¡ã¿ããŒã¿ãã¡ã€ã«ïŒ/ dev / loop1
䜿çšãããããŒã¿ã¹ããŒã¹ïŒ307.2 MB
ããŒã¿ã¹ããŒã¹ã®åèšïŒ107.4 GB
䜿çšå¯èœãªããŒã¿ã¹ããŒã¹ïŒ20.22 GB
䜿çšãããã¡ã¿ããŒã¿ã¹ããŒã¹ïŒ733.2 kB
ã¡ã¿ããŒã¿ã¹ããŒã¹ã®åèšïŒ2.147 GB
å©çšå¯èœãªã¡ã¿ããŒã¿ã¹ããŒã¹ïŒ2.147 GB
ãµããŒããããŠããUdevåæïŒtrue
ããŒã¿ã«ãŒããã¡ã€ã«ïŒ/ var / lib / docker / devicemapper / devicemapper / data
ã¡ã¿ããŒã¿ã«ãŒããã¡ã€ã«ïŒ/ var / lib / docker / devicemapper / devicemapper / metadata
ã©ã€ãã©ãªããŒãžã§ã³ïŒ1.02.93-RHEL7ïŒ2015-01-28ïŒ
å®è¡ãã©ã€ããŒïŒãã€ãã£ã-0.2
ã«ãŒãã«ããŒãžã§ã³ïŒ3.10.0-229.el7.x86_64
ãªãã¬ãŒãã£ã³ã°ã·ã¹ãã ïŒCentOS Linux 7ïŒã³ã¢ïŒ
CPUïŒ2
éç¥ããŒã¿äœ¿çšéã525MBãã307MBã«æžå°ããŸããã ãããã£ãŠãç»åãåé€ãããšãã¹ããŒã¹ãå ã«æ»ããŸããã
ããŠãæäœã®ååŸã«ã«ãŒããã¡ã€ã«ã®ãµã€ãºã貌ãä»ããã®ãå¿ããŸããã ããã«ãããŸãã
ãã®ãããç»åã®åé€åŸã«ã«ãŒããã¡ã€ã«ãå®éã«çž®å°ããŸããã ãããããªããäžæºãèšã£ãŠããããšã ãšæããŸãã
@stanislavb
ã«ãŒããã¡ã€ã«ã䜿çšããŠããŸããïŒ Dockeræ å ±ã«ã¯è¡šç€ºãããŸããã Dockerãéå§ãããšãã«ããŒã«ããã§ã«ååšããŠããã®ãšåãåé¡ãçºçããŠãããšæããŸãã
ã«ãŒããããã³ã°ãã¡ã€ã«ïŒ/ var / lib / docker / devicemapper / devicemapper / dataïŒã®ãµã€ãºããã§ãã¯ããã€ã¡ãŒãžã®åé€åŸã«ãã¡ã€ã«ãçž®å°ããããšã確èªã§ããŸããïŒ ïŒdu -h
@rhvgoyal
CentOS 7ãDockerããŒãžã§ã³1.6.2.el7ããã«ãc3ca5bb / 1.6.2
[root<strong i="7">@b2</strong> ~]# du /var/lib/docker/devicemapper/devicemapper/data
7041272 /var/lib/docker/devicemapper/devicemapper/data
[root<strong i="8">@b2</strong> ~]# docker rmi $(docker images -q)
...
[root<strong i="9">@b2</strong> ~]# du /var/lib/docker/devicemapper/devicemapper/data
5617292 /var/lib/docker/devicemapper/devicemapper/data
@stanislavb
ããŠãã«ãŒãããã€ã¹ã®ãµã€ãºã¯ç¢ºãã«å°ãããªã£ãŠããŸãã
ãŸããã³ãŒããã確èªããŸããã åèµ·åæã«dockerããã§ã«ããã«ã·ã³ããŒã«ãèŠã€ããå Žåã§ããç Žæ£ãçºè¡ããŸãã
// By default, don't do blk discard hack on raw devices, its rarely useful and is expensive
if !foundBlkDiscard && (devices.dataDevice != "" || devices.thinPoolDevice != "") {
devices.doBlkDiscard = false
}
äžèšã®ã³ãŒãã«åŸã£ãŠããŠãŒã¶ãŒãããŒã¿ãããã¯ããã€ã¹ãŸãã¯ã·ã³ããŒã«ãæž¡ããå Žåã«ã®ã¿ãç Žæ£ãç¡å¹ã«ãªããŸãã ã©ã¡ããåæ Œããªãã£ãããšãèãããšãç Žæ£ã¯ãŸã ç¶ããŠããŸãã ãããããªãã®ããã«åããŠããçç±ã§ãã
@alexDrinkwaterããã§ã1.6ã§ä¿®æ£ããã2ã€ã®ããŒã¿ãã€ã³ããã§ããŸããã ãã®åé¡ã解決ããããšã«ãŸã æžå¿µããããŸããã
DockerããŒãžã§ã³1.5.0ããã«ãa8a31ef / 1.5.0
[root<strong i="8">@b1</strong> ~]# docker info
Containers: 2
Images: 2996
Storage Driver: devicemapper
Pool Name: docker-8:2-21890120-pool
Pool Blocksize: 65.54 kB
Backing Filesystem: extfs
Data file: /dev/loop0
Metadata file: /dev/loop1
Data Space Used: 43.24 GB
Data Space Total: 107.4 GB
Metadata Space Used: 117.1 MB
Metadata Space Total: 2.147 GB
Udev Sync Supported: true
Data loop file: /var/lib/docker/devicemapper/devicemapper/data
Metadata loop file: /var/lib/docker/devicemapper/devicemapper/metadata
Library Version: 1.02.89-RHEL6 (2014-09-01)
Execution Driver: native-0.2
Kernel Version: 2.6.32-504.16.2.el6.x86_64
Operating System: <unknown>
CPUs: 32
Total Memory: 31.33 GiB
[root<strong i="11">@b1</strong> ~]# df
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/sda2 475957304 53995488 397777856 12% /
[root<strong i="15">@b1</strong> ~]# du -h /var/lib/docker/devicemapper/devicemapper/data
30G /var/lib/docker/devicemapper/devicemapper/data
[root<strong i="19">@b1</strong> ~]# docker info
Containers: 2
Images: 497
Storage Driver: devicemapper
Pool Name: docker-8:2-21890120-pool
Pool Blocksize: 65.54 kB
Backing Filesystem: extfs
Data file: /dev/loop0
Metadata file: /dev/loop1
Data Space Used: 13.39 GB
Data Space Total: 107.4 GB
Metadata Space Used: 27.87 MB
Metadata Space Total: 2.147 GB
Udev Sync Supported: true
Data loop file: /var/lib/docker/devicemapper/devicemapper/data
Metadata loop file: /var/lib/docker/devicemapper/devicemapper/metadata
Library Version: 1.02.89-RHEL6 (2014-09-01)
Execution Driver: native-0.2
Kernel Version: 2.6.32-504.16.2.el6.x86_64
Operating System: <unknown>
CPUs: 32
Total Memory: 31.33 GiB
[root<strong i="22">@b1</strong> ~]# df
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/sda2 475957304 25606060 426167284 6% /
[root<strong i="23">@b1</strong> ~]# du -h /var/lib/docker/devicemapper/devicemapper/data
13G /var/lib/docker/devicemapper/devicemapper/data
ããŠã1.5ã§ãåäœããŸãã
ãããæ°ãããã·ã³ã§ãã¹ãããŸããã
DockerããŒãžã§ã³1.6.0ããã«ã8aae715 / 1.6.0
åŒã£åŒµãåïŒ
/dev/mapper/os-var 3.9G 750M 2.9G 21% /var
Containers: 0
Images: 0
Storage Driver: devicemapper
Pool Name: docker-253:3-247472-pool
Pool Blocksize: 65.54 kB
Backing Filesystem: extfs
Data file: /dev/loop0
Metadata file: /dev/loop1
Data Space Used: 307.2 MB
Data Space Total: 107.4 GB
Data Space Available: 3.308 GB
Metadata Space Used: 733.2 kB
Metadata Space Total: 2.147 GB
Metadata Space Available: 2.147 GB
Udev Sync Supported: true
Data loop file: /var/lib/docker/devicemapper/devicemapper/data
Metadata loop file: /var/lib/docker/devicemapper/devicemapper/metadata
Library Version: 1.02.93-RHEL7 (2015-01-28)
Execution Driver: native-0.2
Kernel Version: 3.10.0-123.el7.x86_64
Operating System: CentOS Linux 7 (Core)
CPUs: 4
Total Memory: 7.634 GiB
åŒã£åŒµã£ãåŸïŒ
/dev/mapper/os-var 3.9G 815M 2.9G 23% /var
Containers: 0
Images: 22
Storage Driver: devicemapper
Pool Name: docker-253:3-247472-pool
Pool Blocksize: 65.54 kB
Backing Filesystem: extfs
Data file: /dev/loop0
Metadata file: /dev/loop1
Data Space Used: 639.9 MB
Data Space Total: 107.4 GB
Data Space Available: 3.24 GB
Metadata Space Used: 1.438 MB
Metadata Space Total: 2.147 GB
Metadata Space Available: 2.146 GB
Udev Sync Supported: true
Data loop file: /var/lib/docker/devicemapper/devicemapper/data
Metadata loop file: /var/lib/docker/devicemapper/devicemapper/metadata
Library Version: 1.02.93-RHEL7 (2015-01-28)
Execution Driver: native-0.2
Kernel Version: 3.10.0-123.el7.x86_64
Operating System: CentOS Linux 7 (Core)
CPUs: 4
Total Memory: 7.634 GiB
ç»åãåé€ïŒ
sudo docker rmi 617ef0e7677f
Untagged: docker.io/ghost:latest
Deleted: 617ef0e7677fbff322b8f3af29b9795314a333876d66b49e1ddede15229dccea
Deleted: e68d1ee297168a0b3c3e21ff7a9ab14f7df8edf4525e008fcaf3abc83c731387
Deleted: 4eee85e0d29b6836d3d46ff3b84b0292626df5c8428da0aeeb916d33b6fb7642
Deleted: d0e1169bd5617096df1776902e191f23c07ac0fb5b365c5664fd3d4a554e4c8e
Deleted: e983dda26a2392947fffa4cc37b36251b84bbc74c95ce9c353b80a9c8e63d70f
Deleted: 64b0f4c09fde536675106331c31636f8478ed0cf5c2c7aa274d464216e470b3f
Deleted: c0313e19f503a4770c00250049419a014972ba8f3458524d61b377b8fd289ef0
Deleted: ff1093062f402021a7574b3c40692d2c6dc7aec07d66e17caa6c35df19bad091
Deleted: 37b39063e0c0f3c1a8c90d304ad7ba6b47e14242ff60f6f5d091b280258e0ff3
Deleted: 6e878a0c2422a5496d6bfc5eaf1facbc48f66a8e437fdd7db18d8944b20f7072
Deleted: a10b93053713fb726beaea993bad52b39ca92c5ce6b646dbc7d9cd96016ee9bc
Deleted: 1324d506b72f2a602a8f55c5224708e8ff02dec86b5fe46462a1d73aafb32075
Deleted: 70014f2a472b03d0cfde21d99c601db25f62de1d6c8497cadd6e05743c09d5a1
Deleted: f81216b6a47e2f51c80ff56044a5120d4b8cb76e9ea5990ba08ed073e97fd429
Deleted: 286e04b15dcfe587da0d8b6b359d6ae74c3ef299b868183859508304153ceaca
Deleted: 1dbb5edeebca3ae23a32fcf600015df645a788747553287548ce67126b206ab7
Deleted: 8807133d30b36044c670a06b087b6b61082b660a61fef651f0871283c5505bff
Deleted: 4c0283973ca2335a9ae82168956e4add2e6f2f13fd31e16473d695912e34d974
Deleted: 95d6d696e46933c9d063b5d6328b1a92b988462f1277d74d42bbbdd568efc220
Deleted: 80565b90e8eb693f03cea0411aadb45f21f2bcfe39f6b0fda8cf351eaee1f81b
Deleted: df2a0347c9d081fa05ecb83669dcae5830c67b0676a6d6358218e55d8a45969c
Deleted: 39bb80489af75406073b5364c9c326134015140e1f7976a370a8bd446889e6f8
åé€åŸïŒ
/dev/mapper/os-var 3.9G 814M 2.9G 23% /var
Containers: 0
Images: 0
Storage Driver: devicemapper
Pool Name: docker-253:3-247472-pool
Pool Blocksize: 65.54 kB
Backing Filesystem: extfs
Data file: /dev/loop0
Metadata file: /dev/loop1
Data Space Used: 307.2 MB
Data Space Total: 107.4 GB
Data Space Available: 3.24 GB
Metadata Space Used: 733.2 kB
Metadata Space Total: 2.147 GB
Metadata Space Available: 2.147 GB
Udev Sync Supported: true
Data loop file: /var/lib/docker/devicemapper/devicemapper/data
Metadata loop file: /var/lib/docker/devicemapper/devicemapper/metadata
Library Version: 1.02.93-RHEL7 (2015-01-28)
Execution Driver: native-0.2
Kernel Version: 3.10.0-123.el7.x86_64
Operating System: CentOS Linux 7 (Core)
CPUs: 4
Total Memory: 7.634 GiB
ç§ã®ãã·ã³ãããŒãžã§ã³ãªã©ã®è©³çŽ°ãããã°æããŠãã ããã
@alexDrinkwater
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@alexDrinkwater
/ var / lib / dockerã«ext4ããŒãã£ã·ã§ã³ãæã€å¥ã®ãã£ã¹ã¯ãããŠã³ãããŠãã«ãŒãããã¯ãããã³ã°ãã¡ã€ã«ãïŒxfsã§ã¯ãªãïŒext4ã«ããããã«ããŸããããããã§ãåé¡ã¯ãããŸããã
/ var / lib / dockerã¿ã€ãext4ã®/ dev / vdb1ïŒrwãrelatimeãseclabelãdata = orderedïŒ
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@alexDrinkwater
ããªãã®ã»ããã¢ãããšç§ã®ã»ããã¢ããã®ããäžã€ã®å€§ããªéãã¯ã«ãŒãã«ããŒãžã§ã³ã§ãã ã3.10.0-123.el7.x86_64ãã䜿çšããŠããããã§ãããã3.10.0-229.el7.x86_64ãã䜿çšããŠããŸãã ã«ãŒãã«ãã¢ããã°ã¬ãŒãããŠè©ŠããŠã¿ãŠãã ããã
@rhvgoyalã®å©ããããããšãã ä»æ¥ã¯ã«ãŒãã«ãæŽæ°ã§ããŸããã ããããããã«ããªããæ±ããèšå®ããããŸãïŒ
/dev/mapper/os-var /var ext3 rw,relatime,data=ordered 0 0
vgdocker-lvdocker: 0 62906368 linear 8:17 2048
os-tmp: 0 8388608 linear 8:2 5244928
os-var: 0 8388608 linear 8:2 13633536
os-swap: 0 5242880 linear 8:2 2048
os-root: 0 8388608 linear 8:2 22022144
docker-253:3-247472-pool: 0 209715200 thin-pool 7:1 7:0 128 32768 1 skip_block_zeroing
vgdocker-lvdocker: 0 62906368 linear
os-tmp: 0 8388608 linear
os-var: 0 8388608 linear
os-swap: 0 5242880 linear
os-root: 0 8388608 linear
docker-253:3-247472-pool: 0 209715200 thin-pool 79 179/524288 4688/1638400 - rw discard_passdown queue_if_no_space
DOCKER_STORAGE_OPTIONS=
ã«ã¹ã¿ã ã¹ãã¬ãŒãžãªãã·ã§ã³ãæ§æããŠããŸããã
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/ var / lib / dockerã¿ã€ãext3ã®/ dev / vdb1ïŒrwãrelatimeãseclabelãdata = orderedïŒ
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@vbatts
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@rhvgoyal @vbatts IIRCãåºç€ãšãªããã¡ã€ã«ã·ã¹ãã ããã§ãã¯ããäºææ§ãã§ãã¯ããããŸãã ããã§åé¡ãçºçããå Žåã¯ãããããext3
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ã«ãŒããã©ã€ãã¯ãç Žæ£ãå ¥ã£ããšãã«fallocateïŒïŒã䜿çšããŠãã¡ã€ã«ã«ç©ŽãéããŸããfallocateïŒïŒã®Linux manããŒãžã¯ãext3ã§ãµããŒããããŠããªãããšã確èªããŸãã
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ãã¹ãŠã®ãã¡ã€ã«ã·ã¹ãã ãFALLOC_FL_PUNCH_HOLEããµããŒãããŠããããã§ã¯ãããŸããã ãã¡ã€ã«ã·ã¹ãã ãæäœããµããŒãããŠããªãå Žåããšã©ãŒãè¿ãããŸãã ãã®æäœã¯ãå°ãªããšã次ã®ãã¡ã€ã«ã·ã¹ãã ã§ãµããŒããããŠããŸãã
* XFSïŒLinux 2.6.38以éïŒ
* ext4ïŒLinux 3.0以éïŒ
* BtrfsïŒLinux 3.7以éïŒ
* tmpfsïŒLinux 3.5以éïŒ
* /
@thaJeztah
誰ããext3ã§dockerãå®è¡ãããå Žåã¯ããããèš±å¯ããå¿ èŠããããšæããŸãã ç Žæ£ã®ãµããŒããåŸãããªããããã€ã¡ãŒãž/ã³ã³ãããåé€ãããŠãã«ãŒããã¡ã€ã«ã®ãµã€ãºã¯çž®å°ãããŸããã
@rhvgoyalãããdocker info
ã©ãã§ããïŒ Udev Sync Supported
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@thaJeztah
Dockeræ å ±ãBackingfilesystemãã«ãã§ã«ãšã³ããªããããŸãã ext2 / ext3 / ext4ã«ã€ããŠæ£ç¢ºã§ã¯ãªãããªãextfsãšè¡šç€ºãããã®ãããããŸããã
ãã°ã®èµ·åæã«èŠåã衚瀺ãããå ŽåããããŸãã ã·ã³ããŒã«ã«ã«ãŒãããã€ã¹ã䜿çšããããšã«ã€ããŠã®èŠåã«äŒŒããã®ã
@thaJeztah
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syscall.Statfs_t
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ext2ãext3ãããã³ext4ã®Typeãã£ãŒã«ããæã€syscall.Statfs_tæ§é äœã¯ããã¹ãŠ0xef53ãè¿ããŸããããã¯ããã¡ã€ã«ã·ã¹ãã ã®éæ³ãæ€åºããããã«äœ¿çšããŠãããã®ã§ãã
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@dbabitsã¯ããext3ã«ããã€ãã®åé¡ãããããšãèšåããããšã¯ãããã¥ã¡ã³ãã§èšåãã䟡å€ããããšæããŸãã é©åãªå Žæãäœã§ãããã¯ãŸã ããããŸããã
XFSã§åã/åæ§ã®åé¡ããããŸãã
ã«ãŒãã«ã3.10.0-123.el7.x86_64ãã«ãããŸããããã3.10.0-229.el7.x86_64ãã§æŽæ°ãããŸããã
ãã¹ãŠãåé€ãããŸããïŒã³ã³ãããŒãã€ã¡ãŒãžïŒãããŒã¿ã«ã¯100GBãå«ãŸããŠããŸãã
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[ root @ docker0101ã ] ïŒls -alh / data / docker / devicemapper / devicemapper /
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drwx ------ 2ã«ãŒãã«ãŒã326æ8æ¥16:48ã
drwx ------ 5ã«ãŒãã«ãŒã506æ9æ¥07:16 ..
-rw ------- 1ã«ãŒãã«ãŒã100G 7æ16æ¥21:33ããŒã¿
-rw ------- 1ã«ãŒãã«ãŒã2.0G 7æ17æ¥09:20ã¡ã¿ããŒã¿
[ root @ docker0101ã ]
Linux docker0101 3.10.0-229.7.2.el7.x86_64ïŒ1 SMP Tue Jun 23 22:06:11 UTC 2015 x86_64 x86_64 x86_64 GNU / Linux
[ root @ docker0101ã ]
CentOS LinuxãªãªãŒã¹7.1.1503ïŒã³ã¢ïŒ
[ root @ docker0101ã ]
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[ root @ docker0101ã ]
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ããŒã«åïŒdocker-253ïŒ0-268599424-pool
ããŒã«ã®ãããã¯ãµã€ãºïŒ65.54 kB
ãããã³ã°ãã¡ã€ã«ã·ã¹ãã ïŒxfs
ããŒã¿ãã¡ã€ã«ïŒ/ dev / loop0
ã¡ã¿ããŒã¿ãã¡ã€ã«ïŒ/ dev / loop1
䜿çšãããããŒã¿ã¹ããŒã¹ïŒ85.61 GB
ããŒã¿ã¹ããŒã¹ã®åèšïŒ107.4 GB
䜿çšå¯èœãªããŒã¿ã¹ããŒã¹ïŒ40.91 MB
䜿çšãããã¡ã¿ããŒã¿ã¹ããŒã¹ïŒ211.4 MB
ã¡ã¿ããŒã¿ã¹ããŒã¹ã®åèšïŒ2.147 GB
å©çšå¯èœãªã¡ã¿ããŒã¿ã¹ããŒã¹ïŒ40.91 MB
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ããŒã¿ã«ãŒããã¡ã€ã«ïŒ/ data / docker / devicemapper / devicemapper / data
ã¡ã¿ããŒã¿ã«ãŒããã¡ã€ã«ïŒ/ data / docker / devicemapper / devicemapper / metadata
ã©ã€ãã©ãªããŒãžã§ã³ïŒ1.02.93-RHEL7ïŒ2015-01-28ïŒ
å®è¡ãã©ã€ããŒïŒãã€ãã£ã-0.2
ã«ãŒãã«ããŒãžã§ã³ïŒ3.10.0-229.7.2.el7.x86_64
ãªãã¬ãŒãã£ã³ã°ã·ã¹ãã ïŒCentOS Linux 7ïŒã³ã¢ïŒ
CPUïŒ4
ç·ã¡ã¢ãªïŒ11.58 GiB
ååïŒdocker0101
[ root @ docker0101ã ]
vg1-lvol0ïŒ0167772160ç·åœ¢8ïŒ162048
docker-253ïŒ0-268599424-poolïŒ0 209715200 thin-pool 7ïŒ1 7ïŒ0 128 32768 1 skip_block_zeroing
[ root @ docker0101ã ]
vg1-lvol0ïŒ0167772160ç·åœ¢
docker-253ïŒ0-268599424-poolïŒ0 209715200 thin-pool 71359 51606/524288 1306264/1638400 --ro Discard_passdown queue_if_no_space
[ root @ docker0101ã ]
DOCKER_STORAGE_OPTIONS =
[ root @ docker0101ã ] docker
ååïŒdocker
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ãªãªãŒã¹ïŒ14.el7.centos
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ã€ã³ã¹ããŒã«æ¥ïŒ2015幎7æ17æ¥éææ¥09:19:54 CEST
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ãµã€ãºïŒ33825026
ã©ã€ã»ã³ã¹ïŒASL 2.0
眲åïŒRSA / SHA256ã2015幎6æ24æ¥æ°Žææ¥05:43:12 AM CESTãããŒID 24c6a8a7f4a80eb5
ãœãŒã¹RPMïŒdocker-1.6.2-14.el7.centos.src.rpm
ãã«ãæ¥ïŒ2015幎6æ24æ¥æ°Žææ¥03:52:32 AM CEST
ãã«ããã¹ãïŒworker1.bsys.centos.org
[root @ docker0101ã ]
lrwxrwxrwx1ã«ãŒãã«ãŒã12Jun 9 08:21 / var / lib / docker-> / data / docker
[ root @ docker0101ã ]ïŒããŠã³ã
/ varã¿ã€ãxfsã®/ dev / sda5ïŒrwãrelatimeãattr2ãinode64ãnoquotaïŒ
/ data typexfsïŒrwãrelatimeãattr2ãinode64ãnoquotaïŒã®/ dev / mapper / vg1-lvol0
@tomlux䜿çšããŠããdevicemapperã«ãŒãããã¯ã¢ãŒãã¯ãäž»ã«http://www.projectatomic.io/docs/docker-storage-recommendation/ãèªãããšã匷ããå§ãã
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lsã«ã-sããè¿œå ã§ããŸããã ããã«ãããããŒã¿ãã¡ã€ã«ãšã¡ã¿ããŒã¿ãã¡ã€ã«ã«å²ãåœãŠãããå®éã®ãããã¯ãåŸãããŸãã çŸåšããã¡ã€ã«ã®èŠããã®ãµã€ãºã衚瀺ãããŠããŸãã
Dockeræ å ±ã®åºåã¯èå³æ·±ããã®ã§ãã 䜿çšçãé«ãããã§ãã
@tomlux
ãã®ãããããŒã¿ãšã¡ã¿ããŒã¿ãã¡ã€ã«ã®å®éã®ãµã€ãºã¯å°ããèŠããŸãã ãµã€ãºãèªã¿ãããããããã«ããls-alshãã䜿çšã§ããŸãã
ãããã£ãŠãããŒã¿ãã¡ã€ã«ã®ãµã€ãºã¯çŽ79MBãã¡ã¿ããŒã¿ãã¡ã€ã«ã®ãµã€ãºã¯çŽ202KBã®ããã§ãã
ã©ããããããã䜿çšããããããã¯ã®æ°ã«é¢ããã·ã³ããŒã«ã®çµ±èšã¯æ£ããèŠããªããšæããŸãã ãã·ã³ãåèµ·åãããšåé¡ã¯è§£æ±ºããŸããïŒ
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ãrm-f / var / lib / dockerããå®è¡ããŠãã³ã³ãããŒãåæ§ç¯ããããšãã§ããŸãã ãã¹ãŠãã¹ã¯ãªããåãããŠããŸãã
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Ubuntu14.04ã§ãåãåé¡ãçºçããŠããããã§ãã ãã ããäžèŠãªããªã¥ãŒã ãçºçããåå ïŒããã°http://blog.yohanliyanage.com/2015/05/docker-clean-up-after-yourself/ãåç §ïŒã ã³ãã³ãã®å®è¡
docker run -v /var/run/docker.sock:/var/run/docker.sock -v /var/lib/docker:/var/lib/docker --rm martin/docker-cleanup-volumes
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šã«ææ°ã®Ubuntu14.04.xã€ã³ã¹ããŒã«ïŒææ°ã®LTSãªãªãŒã¹ïŒããã³ææ°ããŒãžã§ã³ã®DockerïŒ $ wget -qO- https://get.docker.com/ | sh
çµç±ã§ã€ã³ã¹ããŒã«ïŒã§ã¯ãDockerã¯ç¶ç¶çã«ã¹ããŒã¹ããªãŒã¯ããç°¡åã«åå©çšããæ¹æ³ã¯ãããŸããã docker stop $(docker ps -q) && docker rm $(docker ps -q -a) && docker rmi $(docker images -q)
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ãã¹ãŠã®ã¹ããŒã¹ãåå©çšããå¯äžã®æ¹æ³ã¯ã次ã®ããã¯ã䜿çšããããšã§ãã
$ sudo service docker stop
$ sudo rm -rf /var/lib/docker
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_ã³ã³ãããšäžç·ã«ããªã¥ãŒã ãåé€ããã«ã¯_ã docker rm -v [mycontainer]
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ããªã¥ãŒã 管çæ©èœãè¿œå ãããŸãïŒhttps://github.com/docker/docker/pull/14242ããã³https://github.com/docker/docker/issues/8363ãåç
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PRODUCTION [[email protected] ~]$ cat /etc/systemd/system/docker.service.d/docker-high-churn.conf
[Service]
ExecStartPre=-/bin/rm -rf /var/lib/docker/containers
ExecStopPost=-/bin/rm -rf /var/lib/docker/volumes
ããã«ãããäºåã«ãã£ãã·ã¥ãããç»åããã©ãã·ã¥ããã«åé¡ãä¿®æ£ãããŸãã
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@tomlux @rhvgoyal
CentOS 7ããã¯ã¹ã§äœãèµ·ãã£ãŠããã®ãã«ã€ããŠçµè«ãåºããããšã¯ãããŸããïŒ ç§ã®Dockerãã¹ãã¯ã»ãŒåãã§ãåãåé¡ãçºçããŠããŸããã @rhvgoyalãthin_dump
ã³ãã³ãã®å®è¡ãèŠæ±ãããšãããŸã§ç¶ããŸããã ãã®åŸãdockerããŒã¢ã³ãèµ·åããããšããŸããããèµ·åããŸããã§ããã / var / lib / dockerãåé€ããŠåèµ·åããŸãããã解決çãèŠã€ãã£ããã©ãããç¥ããããšæã£ãŠããŸãããç§ïŒããã³ä»ã®äººïŒãåã³åé¡ã«ééããå¯èœæ§ãããããã§ãã
[root<strong i="11">@Docker_Sandbox_00</strong> devicemapper]# thin_dump /var/lib/docker/devicemapper/devicemapper/metadata | grep "device dev_id" | wc -l
102
[root<strong i="14">@Docker_Sandbox_00</strong> devicemapper]# systemctl start docker
Job for docker.service failed. See 'systemctl status docker.service' and 'journalctl -xn' for details.
[root<strong i="15">@Docker_Sandbox_00</strong> devicemapper]# systemctl -l status docker.service
docker.service - Docker Application Container Engine
Loaded: loaded (/usr/lib/systemd/system/docker.service; enabled)
Active: failed (Result: exit-code) since Tue 2015-10-27 08:24:47 PDT; 37s ago
Docs: https://docs.docker.com
Process: 45244 ExecStart=/usr/bin/docker daemon -H fd:// (code=exited, status=1/FAILURE)
Main PID: 45244 (code=exited, status=1/FAILURE)
Oct 27 08:24:45 Docker_Sandbox_00 systemd[1]: Starting Docker Application Container Engine...
Oct 27 08:24:46 Docker_Sandbox_00 docker[45244]: time="2015-10-27T08:24:46.512617474-07:00" level=info msg="[graphdriver] using prior storage driver \"devicemapper\""
Oct 27 08:24:46 Docker_Sandbox_00 docker[45244]: time="2015-10-27T08:24:46.526637164-07:00" level=info msg="Option DefaultDriver: bridge"
Oct 27 08:24:46 Docker_Sandbox_00 docker[45244]: time="2015-10-27T08:24:46.526719113-07:00" level=info msg="Option DefaultNetwork: bridge"
Oct 27 08:24:46 Docker_Sandbox_00 docker[45244]: time="2015-10-27T08:24:46.589016574-07:00" level=warning msg="Running modprobe bridge nf_nat br_netfilter failed with message: modprobe: WARNING: Module br_netfilter not found.\n, error: exit status 1"
Oct 27 08:24:46 Docker_Sandbox_00 docker[45244]: time="2015-10-27T08:24:46.625324632-07:00" level=info msg="Firewalld running: true"
Oct 27 08:24:47 Docker_Sandbox_00 docker[45244]: time="2015-10-27T08:24:47.142468904-07:00" level=fatal msg="Error starting daemon: Unable to open the database file: unable to open database file"
Oct 27 08:24:47 Docker_Sandbox_00 systemd[1]: docker.service: main process exited, code=exited, status=1/FAILURE
Oct 27 08:24:47 Docker_Sandbox_00 systemd[1]: Failed to start Docker Application Container Engine.
Oct 27 08:24:47 Docker_Sandbox_00 systemd[1]: Unit docker.service entered failed state.
[root<strong i="18">@Docker_Sandbox_00</strong> devicemapper]# df -ah
Filesystem Size Used Avail Use% Mounted on
/dev/vdb1 20G 20G 24K 100% /var/lib/docker
[root<strong i="19">@Docker_Sandbox_00</strong> devicemapper]# du -sh /var/lib/docker/devicemapper/devicemapper/data
20G /var/lib/docker/devicemapper/devicemapper/data
@tomlux @rhvgoyal
åé¡ã®åå ãèŠã€ããŸããã ãããã©ã®ããã«èŠãããã«ãããããããããã¯ã¹ã¬ããã®åé¡ãšã¯ç¡é¢ä¿ã§ããã ããã¯ãDockerãã©ã®ããã«æ©èœãããã«ã€ããŠã®èª€è§£ããçãããã®ã§ãã ãã¹ãŠãæ»ãã ã³ã³ããã¯ãå®è¡äžã«å²ãåœãŠããã£ã¹ã¯ã¹ããŒã¹ãä¿æããŠããŸããã ãã£ã¹ã¯ã¹ããŒã¹ã解æŸããããã«ããã¹ãŠã®ã³ã³ããã®æ»éªžãåãé€ãå¿ èŠããããŸããã ããããã®ã¹ã¬ããã§çºçããããšãèŠããŠããŸãããã³ã³ããã«ãã£ãŠå²ãåœãŠããããã£ã¹ã¯ã¹ããŒã¹ã§ã¯ãªããããŠã³ããããããªã¥ãŒã ãšèŠãªãããã ãã ãšæããŸããã
# Beware this removes ALL containers
docker rm -f $(docker ps -aq)
@tomlux docker ps -a
åºåã«ããã€ãã®Dead
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@ awolfe-silverskyã; _image_ãåé€ããŸãããïŒ ç»åããŸã ããã«ããå Žåã¯ãã³ã³ããã ããåé€ããŠãããŸã圹ã«ç«ããªãå ŽåããããŸã
@ awolfe-silverskyãã®åé¡ã¯devicemapperã«é¢ãããã®ã§ã-docker-machine / boot2dockerã䜿çšããŠããå Žåã¯ã aufs
å®è¡ããŠããå¯èœæ§ãã¯ããã«é«ããªããŸãã ãŸããããªãã¯ããªãã®å€§ããªã€ã¡ãŒãžãdocker rmi
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docker images
ãšdocker info
ãå®è¡ããŠãç©äºãæ¬åœã«æ²æšã§ãããã©ããã確èªãã䟡å€ããããŸã:)
ïŒã¯ãããŸã vmããããã€ã¡ãŒãžãåé€ãããŠããå Žåã¯ãå¥åŠãªã³ãŒããŒã±ãŒã¹ãèŠã€ããã®ã§ãæ°ããåé¡ãéããŠããã«ãããã°ããå¿ èŠããããŸãïŒ
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ç§ã¯awkã¹ã¯ãªããã䜿çšããŠç»åã®ãµã€ãºãèšå®ããŸãã-åèš6.9GBã
docker images -a | awk '(FNR > 1) { imgSpace = imgSpace + $(NF - 1); }
END { print "Image space is " imgSpace; }'
Image space is 6909.01
æ±ããŠããŸããããã¹ãŠã®ç»åãµã€ãºãMBåäœã§ããããšã¯ããã£ãŠããŸãã
䜿çšç¶æ³ã蚺æããããšããæ¹æ³ã¯æ¬¡ã®ãšããã§ãã
file:///Andrew-Wolfe-MacBook-Pro.local/Users/awolfe/DataStores
awolfe_10063: docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
file:///Andrew-Wolfe-MacBook-Pro.local/Users/awolfe/DataStores
awolfe_10064: docker-machine ssh 'awolfe-dbhost' 'df -h'
Filesystem Size Used Available Use% Mounted on
tmpfs 7.0G 123.8M 6.9G 2% /
tmpfs 3.9G 0 3.9G 0% /dev/shm
/dev/sda1 71.0G 47.2G 20.2G 70% /mnt/sda1
cgroup 3.9G 0 3.9G 0% /sys/fs/cgroup
none 464.8G 379.9G 84.8G 82% /Users
/dev/sda1 71.0G 47.2G 20.2G 70% /mnt/sda1/var/lib/docker/aufs
çŸåšãç»åã0åã®ããã¯ã¹ããããŸãã
docker volume ls -qf dangling=true
ã¯äœã衚瀺ããŸããã
docker volume ls
ã¯å€ãã®ããªã¥ãŒã ã瀺ããŠããŸãããããããææããã€ã¡ãŒãžããªããããå®çŸ©äžãå€ç«ããŠããŸãã
docker volume rm $(docker volume ls)
ã¯ããã®ãããªã¡ãã»ãŒãžããããã衚瀺ããŸãã
Error response from daemon: get local: no such volume
Error response from daemon: Conflict: remove 6989acc79fd53d26e3d4668117a7cb6fbd2998e6214d5c4843ee9fceda66fb14: volume is in use - [77e0eddb05f2b53e22cca97aa8bdcd51620c94acd2020b04b779e485c7563c57]
ããã€ã¹ããããŒãã£ã¬ã¯ããªã¯30GiGãæ¶è²»ããŸãã
DockerããŒãžã§ã³1.10.2ããã«ãc3959b1
CentOS 7ã3.10.0-327.10.1.el7.x86_64
Data Space Used: 33.33 GB
Data Space Total: 107.4 GB
Data Space Available: 915.5 MB
Metadata Space Used: 247 MB
Metadata Space Total: 2.147 GB
Metadata Space Available: 915.5 MB
Udev Sync Supported: true
Deferred Removal Enabled: false
Deferred Deletion Enabled: false
Deferred Deleted Device Count: 0
Data loop file: /var/lib/docker/devicemapper/devicemapper/data
WARNING: Usage of loopback devices is strongly discouraged for production use. Either use `--storage-opt dm.thinpooldev` or use `--storage-opt dm.no_warn_on_loop_devices=true` to suppress this warning.
Metadata loop file: /var/lib/docker/devicemapper/devicemapper/metadata
Library Version: 1.02.107-RHEL7 (2015-12-01)
ãŸããããã©ã«ãã®ã€ã³ã¹ããŒã«ã§ã匷ãæšå¥šãããªããã¹ãã¬ãŒãžãªãã·ã§ã³ã䜿çšããã®ã¯ãªãã§ããïŒ
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Amazon LinuxEC2ã€ã³ã¹ã¿ã³ã¹ã§ããŸã£ããåãåé¡ãçºçããŸãã
Linux ip-172-31-25-154 4.4.5-15.26.amzn1.x86_64 #1 SMP Wed Mar 16 17:15:34 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
æ°ããDockerã€ã¡ãŒãžãå®æçã«ã€ã³ã¹ããŒã«ããå Žåãå¯äžã®è§£æ±ºçã¯æ¬¡ã®ããšãè¡ãããšã§ãã
service docker stop
yum remove docker -y
rm -rf /var/lib/docker
yum install docker -y
service docker start
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df -h
Filesystem Size Used Avail Use% Mounted on
/dev/xvda1 20G 20G 0 100% /
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$ sudo service docker-engine start
Redirecting to /bin/systemctl start docker-engine.service
Failed to start docker-engine.service: Unit docker-engine.service failed to load: No such file or directory.
$ uname -a
Linux CentOS7 3.10.0-327.18.2.el7.x86_64 #1 SMP Thu May 12 11:03:55 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
service docker start
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