[caasp-beta] BTRFS space and quota
Paul Gonin
paul.gonin at suse.com
Tue Oct 31 07:33:33 MDT 2017
Hi Stéphane,
Not that it should make a difference for the issue described, what
version of CaaSP the cluster is running ?Is it CaaSP2 ? RC1 ?
thanksPaul
Le mardi 31 octobre 2017 à 08:35 +0000, Le Bihan Stéphane (AMUNDI-ITS)
a écrit :
> Hello,
>
> We have a strange case on CAASP plateform with btrfs quota.
>
> For history, I was out of office since 3 weeks, but others colleague
> test kubernetes plateform.
> When I return, we ask me because FS is full on master and worker
> nodes.
> I don’t have cause, but I think with a bad config, subvolume
> /var/lib/etcd grown and after correction reduce, though quota
> reserved all space.
>
> When I check, I see btrfs usage and it’s really full, but balance as
> no effect.
> After search I see quota is activate, and subvolumes /var/lib/etcd
> reserved 90% of space. But I don’t succeed to release this space.
>
> Can you help me for release space disk ?
>
> ·
> On master :
>
> # btrfs filesystem usage /
> Overall:
> Device size: 30.00GiB
> Device allocated: 29.99GiB
> Device unallocated: 17.00MiB
> Device missing: 0.00B
> Used: 27.56GiB
> Free (estimated): 504.93MiB (min: 496.43MiB)
> Data ratio: 1.00
> Metadata ratio: 2.00
> Global reserve: 16.00MiB (used: 0.00B)
>
> Data,single: Size:27.97GiB, Used:27.49GiB
> /dev/vda6 27.97GiB
>
> Metadata,DUP: Size:1.00GiB, Used:32.64MiB
> /dev/vda6 2.00GiB
>
> System,DUP: Size:9.50MiB, Used:16.00KiB
> /dev/vda6 19.00MiB
>
> Unallocated:
> /dev/vda6 17.00MiB
>
> # btrfs fi df /
> Data, single: total=27.97GiB, used=27.50GiB
> System, DUP: total=9.50MiB, used=16.00KiB
> Metadata, DUP: total=1.00GiB, used=32.66MiB
> GlobalReserve, single: total=16.00MiB, used=0.00B
>
> # btrfs fi show /
> Label: none uuid: 1b0614eb-fc59-4841-bbc5-5318087f6432
> Total devices 1 FS bytes used 27.53GiB
> devid 1 size 30.00GiB used 29.99GiB path /dev/vda6
>
> # btrfs subvolume list /
> ID 257 gen 40 top level 5 path @
> ID 258 gen 194820 top level 257 path @/.snapshots
> ID 259 gen 197128 top level 258 path @/.snapshots/1/snapshot
> ID 260 gen 194810 top level 257 path @/boot/grub2/i386-pc
> ID 261 gen 194810 top level 257 path @/boot/grub2/x86_64-efi
> ID 262 gen 194810 top level 257 path @/cloud-init-config
> ID 263 gen 194810 top level 257 path @/home
> ID 264 gen 197081 top level 257 path @/root
> ID 265 gen 197111 top level 257 path @/tmp
> ID 266 gen 194809 top level 257 path @/var/cache
> ID 267 gen 194809 top level 257 path @/var/crash
> ID 268 gen 195783 top level 257 path @/var/lib/ca-certificates
> ID 269 gen 195783 top level 257 path @/var/lib/cloud
> ID 270 gen 24 top level 257 path @/var/lib/docker
> ID 271 gen 194810 top level 257 path @/var/lib/dockershim
> ID 272 gen 195719 top level 257 path @/var/lib/etcd
> ID 273 gen 194810 top level 257 path @/var/lib/kubelet
> ID 274 gen 194810 top level 257 path @/var/lib/machines
> ID 275 gen 196430 top level 257 path @/var/lib/misc
> ID 276 gen 194810 top level 257 path @/var/lib/mysql
> ID 277 gen 194810 top level 257 path @/var/lib/nfs
> ID 278 gen 194810 top level 257 path @/var/lib/ntp
> ID 279 gen 196428 top level 257 path @/var/lib/overlay
> ID 280 gen 194810 top level 257 path @/var/lib/rollback
> ID 281 gen 196427 top level 257 path @/var/lib/systemd
> ID 282 gen 194810 top level 257 path @/var/lib/vmware
> ID 283 gen 194810 top level 257 path @/var/lib/wicked
> ID 284 gen 197128 top level 257 path @/var/log
> ID 285 gen 197111 top level 257 path @/var/spool
> ID 286 gen 196428 top level 257 path @/var/tmp
>
> # btrfs qgroup show -pcreFf /var/lib/etcd
> qgroupid rfer excl max_rfer max_excl parent
> child
> -------- ---- ---- -------- -------- ------
> -----
> 0/272 25.14GiB 25.14GiB none none ---
> ---
>
> # du -sh /var/lib/etcd/
> 417M /var/lib/etcd/
>
> ·
> On one worker
>
> # btrfs fi usage /
> Overall:
> Device size: 30.00GiB
> Device allocated: 30.00GiB
> Device unallocated: 1.00MiB
> Device missing: 0.00B
> Used: 27.94GiB
> Free (estimated): 135.28MiB (min: 135.28MiB)
> Data ratio: 1.00
> Metadata ratio: 2.00
> Global reserve: 16.00MiB (used: 0.00B)
>
> Data,single: Size:27.99GiB, Used:27.86GiB
> /dev/vda6 27.99GiB
>
> Metadata,DUP: Size:1.00GiB, Used:43.44MiB
> /dev/vda6 2.00GiB
>
> System,DUP: Size:8.00MiB, Used:16.00KiB
> /dev/vda6 16.00MiB
>
> Unallocated:
> /dev/vda6 1.00MiB
>
> # btrfs fi df /
> Data, single: total=27.99GiB, used=27.86GiB
> System, DUP: total=8.00MiB, used=16.00KiB
> Metadata, DUP: total=1.00GiB, used=43.44MiB
> GlobalReserve, single: total=16.00MiB, used=0.00B
>
> # btrfs fi show /
> Label: none uuid: 1d7b76f8-f91c-47e0-8be2-a3f02f90ac96
> Total devices 1 FS bytes used 27.90GiB
> devid 1 size 30.00GiB used 30.00GiB path /dev/vda6
>
> # btrfs qgroup show -pcreFf /var/lib/etcd
> qgroupid rfer excl max_rfer max_excl parent
> child
> -------- ---- ---- -------- -------- ------
> -----
> 0/272 20.99GiB 20.99GiB none none ---
> ---
>
> # du -sh /var/lib/etcd/
> 452M /var/lib/etcd/
>
> Regards,
>
>
>
>
>
>
>
>
>
>
> Stéphane Le Bihan
>
>
>
>
> SDE/DSI/IPR/SSD/UNX
>
>
>
>
> 90, Boulevard Pasteur - 75015 Paris
>
>
>
>
> Web:
> http://www.amundi.com
>
>
>
>
> Tél: +33 1 76 32 32 08
> Equipe Unix : +33 1 76 32 02 30
>
>
>
>
> @:
> stephane.lebihan at amundi.com
> @ :
> sits.unix at amundi.com
>
>
>
>
>
>
>
>
>
>
> _______________________________________________
> caasp-beta mailing list
> caasp-beta at lists.suse.com
> http://lists.suse.com/mailman/listinfo/caasp-beta
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.suse.com/pipermail/caasp-beta/attachments/20171031/f7234043/attachment.htm>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: image001.gif
Type: image/gif
Size: 2430 bytes
Desc: not available
URL: <http://lists.suse.com/pipermail/caasp-beta/attachments/20171031/f7234043/attachment.gif>
More information about the caasp-beta
mailing list