Kubeadm: ZFS๋Š” ์ง€์›๋˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค.

์— ๋งŒ๋“  2018๋…„ 06์›” 17์ผ  ยท  3์ฝ”๋ฉ˜ํŠธ  ยท  ์ถœ์ฒ˜: kubernetes/kubeadm

๊ธฐ๋Šฅ ์š”์ฒญ

ํ˜„์žฌ ZFS ๋“œ๋ผ์ด๋ฒ„๋Š” ํ—ˆ์šฉ๋˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค. kubeadm์—์„œ zfs ์ง€์› ํ™œ์„ฑํ™”์— ๋Œ€ํ•œ์ด ์š”์ฒญ์ž…๋‹ˆ๋‹ค.

๋ฒ„์ „

kubeadm ๋ฒ„์ „ ( kubeadm version ) :

ํ™˜๊ฒฝ :

  • Kubernetes ๋ฒ„์ „ : &version.Info{Major:"1", Minor:"10", GitVersion:"v1.10.4", GitCommit:"5ca598b4ba5abb89bb773071ce452e33fb66339d", GitTreeState:"clean", BuildDate:"2018-06-06T08:00:59Z", GoVersion:"go1.9.3", Compiler:"gc", Platform:"linux/amd64"}
  • ํด๋ผ์šฐ๋“œ ์ œ๊ณต ์—…์ฒด ๋˜๋Š” ํ•˜๋“œ์›จ์–ด ๊ตฌ์„ฑ : hardware
  • ์šด์˜์ฒด์ œ : Ubuntu 16.04.4 LTS (Xenial Xerus)
  • ์ปค๋„ : 4.15.17-3-pve
  • ๊ธฐํƒ€ :

์–ด๋–ป๊ฒŒ ๋œ ๊ฑฐ์˜ˆ์š”?

kubeadm join ์„ ์‹คํ–‰ํ•˜๋ฉด ๋‹ค์Œ ํ”„๋ฆฌ ํ”Œ๋ผ์ดํŠธ ๊ฒ€์‚ฌ์—์„œ ์•„๋ž˜๋กœ ๋–จ์–ด์ง‘๋‹ˆ๋‹ค.

[preflight] Some fatal errors occurred:
        [ERROR SystemVerification]: unsupported graph driver: zfs

๋ฌด์Šจ ์ผ์ด ์ผ์–ด๋‚˜๊ธฐ๋ฅผ ๊ธฐ๋Œ€ ํ–ˆ์Šต๋‹ˆ๊นŒ?

ํด๋Ÿฌ์Šคํ„ฐ์— ๋Œ€ํ•œ ์„ฑ๊ณต์ ์ธ ์กฐ์ธ

๊ทธ๊ฒƒ์„ ์žฌํ˜„ํ•˜๋Š” ๋ฐฉ๋ฒ• (๊ฐ€๋Šฅํ•œ ํ•œ ์ตœ์†Œํ•œ์œผ๋กœ ์ •ํ™•ํ•˜๊ฒŒ)?

--storage-driver zfs ์™€ ํ•จ๊ป˜ zfs ๋ฐ docker ์‚ฌ์šฉ

์šฐ๋ฆฌ๊ฐ€ ์•Œ์•„์•ผ ํ•  ๋‹ค๋ฅธ ๊ฒƒ์ด ์žˆ์Šต๋‹ˆ๊นŒ?

--ignore-preflight-errors=SystemVerification ํ”Œ๋ž˜๊ทธ๋กœ kubeadm ์‹คํ–‰์— ๋Œ€ํ•œ ์ž„์‹œ ์†”๋ฃจ์…˜์ž…๋‹ˆ๋‹ค.

kinbug kindesign prioritbacklog sicluster-lifecycle sinode

๋ชจ๋“  3 ๋Œ“๊ธ€

@ kubernetes / sig-cluster-lifecycle-bugs
@ kubernetes / sig-node-proposals

google์€ ์‚ฌ๋žŒ๋“ค์ด ์‹ค์ œ๋กœ zfs + docker + k8s๋ฅผ ์‹คํ–‰ํ•˜๊ณ  ์žˆ๋‹ค๊ณ  ๋งํ•˜๋ฏ€๋กœ ์ œ๋Œ€๋กœ ์ž‘๋™ํ•œ๋‹ค๊ณ  ๊ฐ€์ •ํ•˜๊ฒ ์Šต๋‹ˆ๋‹ค.

๊ทธ๋Ÿฌ๋‚˜ ์—ฌ๊ธฐ์„œ๋Š” zfs ์„ ์œ ํšจํ•œ ๊ฒƒ์œผ๋กœ ์ทจ๊ธ‰ํ•˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค.
https://github.com/kubernetes/kubernetes/blob/master/test/e2e_node/system/docker_validator.go#L92

GraphDriver ์Šฌ๋ผ์ด์Šค์— zfs ๋งŒ ์ถ”๊ฐ€ํ•ด์•ผํ•ฉ๋‹ˆ๊นŒ?
https://github.com/kubernetes/kubernetes/blob/master/test/e2e_node/system/types_unix.go

๋‚˜๋ฅผ ์œ„ํ•ด zfs๋Š” ํ…Œ์ŠคํŠธ ์ธ์Šคํ„ด์Šค์—์„œ ์ž˜ ์ž‘๋™ํ•ฉ๋‹ˆ๋‹ค. ํ”„๋กœ๋•์…˜์—์„œ ์‚ฌ์šฉํ•  ๊ฒƒ์ž…๋‹ˆ๋‹ค.

https://github.com/kubernetes/kubernetes/pull/65635 ์—์„œ ์ˆ˜์ • ๋œ ๊ฒƒ ๊ฐ™์Šต๋‹ˆ๋‹ค.

/๋‹ซ๊ธฐ

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