* Defining quota on /home
@ 2018-12-21 14:22 c.monty
2018-12-22 0:03 ` Qu Wenruo
2018-12-22 4:07 ` Andrei Borzenkov
0 siblings, 2 replies; 3+ messages in thread
From: c.monty @ 2018-12-21 14:22 UTC (permalink / raw)
To: linux-btrfs
Hi,
I have defined a quota on home with these steps:
1. btrfs quota enable /home
2. btrfs qgroup limit 150G /home
Now I can verify the corresponding setting:
btrfs qgroup show -reF /home
WARNING: Qgroup data inconsistent, rescan recommended
qgroupid rfer excl max_rfer max_excl
-------- ---- ---- -------- --------
0/279 1.79GiB 1.79GiB 150.00GiB none
255/279 1.79GiB 1.79GiB none none
However I don't understand the line with qgroupid 0/279?!?
I have created another quota earlier for /var/log, and there's no second line in output of btrfs qgroup show:
btrfs qgroup show -reF /var/log
WARNING: Qgroup data inconsistent, rescan recommended
qgroupid rfer excl max_rfer max_excl
-------- ---- ---- -------- --------
0/275 56.52MiB 56.52MiB 5.00GiB none
The following subvolumes do exist:
btrfs su li /
ID 257 gen 134 top level 5 path @
ID 258 gen 36271 top level 257 path @/.snapshots
ID 259 gen 36312 top level 258 path @/.snapshots/1/snapshot
ID 260 gen 33772 top level 257 path @/boot/grub2/i386-pc
ID 261 gen 33772 top level 257 path @/boot/grub2/x86_64-efi
ID 262 gen 36311 top level 257 path @/opt
ID 263 gen 33772 top level 257 path @/srv
ID 264 gen 36312 top level 257 path @/tmp
ID 265 gen 35961 top level 257 path @/usr/local
ID 266 gen 36310 top level 257 path @/var/cache
ID 267 gen 33772 top level 257 path @/var/crash
ID 268 gen 33772 top level 257 path @/var/lib/libvirt/images
ID 269 gen 33772 top level 257 path @/var/lib/machines
ID 270 gen 33772 top level 257 path @/var/lib/mailman
ID 271 gen 33772 top level 257 path @/var/lib/mariadb
ID 272 gen 33772 top level 257 path @/var/lib/mysql
ID 273 gen 33772 top level 257 path @/var/lib/named
ID 274 gen 33772 top level 257 path @/var/lib/pgsql
ID 275 gen 36312 top level 257 path @/var/log
ID 276 gen 33772 top level 257 path @/var/opt
ID 277 gen 36312 top level 257 path @/var/spool
ID 278 gen 36309 top level 257 path @/var/tmp
ID 279 gen 36311 top level 257 path @/home
ID 280 gen 36311 top level 257 path @/usr/sap
ID 308 gen 17373 top level 258 path @/.snapshots/19/snapshot
ID 309 gen 17373 top level 258 path @/.snapshots/20/snapshot
ID 315 gen 17373 top level 258 path @/.snapshots/25/snapshot
This is the additional information demanded when asking a support question:
lvevm117:~ # uname -a
Linux lvevm117 4.4.162-94.72-default #1 SMP Mon Nov 12 18:57:45 UTC 2018 (9de753f) x86_64 x86_64 x86_64 GNU/Linux
lvevm117:~ # btrfs --version
btrfs-progs v4.5.3+20160729
lvevm117:~ # btrfs fi show
Label: none uuid: fbe2e4f1-2ccd-44df-bc35-790c5e019d66
Total devices 1 FS bytes used 8.78GiB
devid 1 size 198.84GiB used 23.07GiB path /dev/sda3
lvevm117:~ # btrfs fi df /
Data, single: total=20.01GiB, used=8.37GiB
System, DUP: total=32.00MiB, used=16.00KiB
Metadata, DUP: total=1.50GiB, used=414.19MiB
GlobalReserve, single: total=27.38MiB, used=0.00B
THX
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: Defining quota on /home
2018-12-21 14:22 Defining quota on /home c.monty
@ 2018-12-22 0:03 ` Qu Wenruo
2018-12-22 4:07 ` Andrei Borzenkov
1 sibling, 0 replies; 3+ messages in thread
From: Qu Wenruo @ 2018-12-22 0:03 UTC (permalink / raw)
To: c.monty, linux-btrfs
[-- Attachment #1.1: Type: text/plain, Size: 3876 bytes --]
On 2018/12/21 下午10:22, c.monty@web.de wrote:
> Hi,
>
> I have defined a quota on home with these steps:
> 1. btrfs quota enable /home
> 2. btrfs qgroup limit 150G /home
>
> Now I can verify the corresponding setting:
> btrfs qgroup show -reF /home
> WARNING: Qgroup data inconsistent, rescan recommended
> qgroupid rfer excl max_rfer max_excl
> -------- ---- ---- -------- --------
> 0/279 1.79GiB 1.79GiB 150.00GiB none
> 255/279 1.79GiB 1.79GiB none none
>
> However I don't understand the line with qgroupid 0/279?!?
0 is the qgroup level, 0 means the lowest qgroup level for subvolume.
279 is your subvolume id.
255/279 is strange, unless you manually created high level qgroup, it
shouldn't be created automatically.
>
> I have created another quota earlier for /var/log, and there's no second line in output of btrfs qgroup show:
> btrfs qgroup show -reF /var/log
> WARNING: Qgroup data inconsistent, rescan recommended
> qgroupid rfer excl max_rfer max_excl
> -------- ---- ---- -------- --------
> 0/275 56.52MiB 56.52MiB 5.00GiB none
>
> The following subvolumes do exist:
> btrfs su li /
> ID 257 gen 134 top level 5 path @
> ID 258 gen 36271 top level 257 path @/.snapshots
> ID 259 gen 36312 top level 258 path @/.snapshots/1/snapshot
> ID 260 gen 33772 top level 257 path @/boot/grub2/i386-pc
> ID 261 gen 33772 top level 257 path @/boot/grub2/x86_64-efi
> ID 262 gen 36311 top level 257 path @/opt
> ID 263 gen 33772 top level 257 path @/srv
> ID 264 gen 36312 top level 257 path @/tmp
> ID 265 gen 35961 top level 257 path @/usr/local
> ID 266 gen 36310 top level 257 path @/var/cache
> ID 267 gen 33772 top level 257 path @/var/crash
> ID 268 gen 33772 top level 257 path @/var/lib/libvirt/images
> ID 269 gen 33772 top level 257 path @/var/lib/machines
> ID 270 gen 33772 top level 257 path @/var/lib/mailman
> ID 271 gen 33772 top level 257 path @/var/lib/mariadb
> ID 272 gen 33772 top level 257 path @/var/lib/mysql
> ID 273 gen 33772 top level 257 path @/var/lib/named
> ID 274 gen 33772 top level 257 path @/var/lib/pgsql
> ID 275 gen 36312 top level 257 path @/var/log
> ID 276 gen 33772 top level 257 path @/var/opt
> ID 277 gen 36312 top level 257 path @/var/spool
> ID 278 gen 36309 top level 257 path @/var/tmp
> ID 279 gen 36311 top level 257 path @/home
> ID 280 gen 36311 top level 257 path @/usr/sap
> ID 308 gen 17373 top level 258 path @/.snapshots/19/snapshot
> ID 309 gen 17373 top level 258 path @/.snapshots/20/snapshot
> ID 315 gen 17373 top level 258 path @/.snapshots/25/snapshot
>
> This is the additional information demanded when asking a support question:
>
> lvevm117:~ # uname -a
> Linux lvevm117 4.4.162-94.72-default #1 SMP Mon Nov 12 18:57:45 UTC 2018 (9de753f) x86_64 x86_64 x86_64 GNU/Linux
This kernel version is very old, especially for qgroup.
I won't be surprised if any qgroup related code went crazy.
>
> lvevm117:~ # btrfs --version
> btrfs-progs v4.5.3+20160729
The same to btrfs-progs, it may be btrfs-progs initializing wrong ioctl
parameters.
Thanks,
Qu
>
> lvevm117:~ # btrfs fi show
> Label: none uuid: fbe2e4f1-2ccd-44df-bc35-790c5e019d66
> Total devices 1 FS bytes used 8.78GiB
> devid 1 size 198.84GiB used 23.07GiB path /dev/sda3
>
> lvevm117:~ # btrfs fi df /
> Data, single: total=20.01GiB, used=8.37GiB
> System, DUP: total=32.00MiB, used=16.00KiB
> Metadata, DUP: total=1.50GiB, used=414.19MiB
> GlobalReserve, single: total=27.38MiB, used=0.00B
>
>
> THX
>
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^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: Defining quota on /home
2018-12-21 14:22 Defining quota on /home c.monty
2018-12-22 0:03 ` Qu Wenruo
@ 2018-12-22 4:07 ` Andrei Borzenkov
1 sibling, 0 replies; 3+ messages in thread
From: Andrei Borzenkov @ 2018-12-22 4:07 UTC (permalink / raw)
To: c.monty, linux-btrfs
21.12.2018 17:22, c.monty@web.de пишет:
> Hi,
>
> I have defined a quota on home with these steps:
> 1. btrfs quota enable /home
> 2. btrfs qgroup limit 150G /home
>
> Now I can verify the corresponding setting:
> btrfs qgroup show -reF /home
> WARNING: Qgroup data inconsistent, rescan recommended
> qgroupid rfer excl max_rfer max_excl
> -------- ---- ---- -------- --------
> 0/279 1.79GiB 1.79GiB 150.00GiB none
> 255/279 1.79GiB 1.79GiB none none
>
> However I don't understand the line with qgroupid 0/279?!?
>
This is default quota group created automatically for each subvolume. Or
do you mean 255/279?
> I have created another quota earlier for /var/log, and there's no second line in output of btrfs qgroup show:
> btrfs qgroup show -reF /var/log
> WARNING: Qgroup data inconsistent, rescan recommended
> qgroupid rfer excl max_rfer max_excl
> -------- ---- ---- -------- --------
> 0/275 56.52MiB 56.52MiB 5.00GiB none
>
> The following subvolumes do exist:
> btrfs su li /
> ID 257 gen 134 top level 5 path @
> ID 258 gen 36271 top level 257 path @/.snapshots
> ID 259 gen 36312 top level 258 path @/.snapshots/1/snapshot
> ID 260 gen 33772 top level 257 path @/boot/grub2/i386-pc
> ID 261 gen 33772 top level 257 path @/boot/grub2/x86_64-efi
> ID 262 gen 36311 top level 257 path @/opt
> ID 263 gen 33772 top level 257 path @/srv
> ID 264 gen 36312 top level 257 path @/tmp
> ID 265 gen 35961 top level 257 path @/usr/local
> ID 266 gen 36310 top level 257 path @/var/cache
> ID 267 gen 33772 top level 257 path @/var/crash
> ID 268 gen 33772 top level 257 path @/var/lib/libvirt/images
> ID 269 gen 33772 top level 257 path @/var/lib/machines
> ID 270 gen 33772 top level 257 path @/var/lib/mailman
> ID 271 gen 33772 top level 257 path @/var/lib/mariadb
> ID 272 gen 33772 top level 257 path @/var/lib/mysql
> ID 273 gen 33772 top level 257 path @/var/lib/named
> ID 274 gen 33772 top level 257 path @/var/lib/pgsql
> ID 275 gen 36312 top level 257 path @/var/log
> ID 276 gen 33772 top level 257 path @/var/opt
> ID 277 gen 36312 top level 257 path @/var/spool
> ID 278 gen 36309 top level 257 path @/var/tmp
> ID 279 gen 36311 top level 257 path @/home
> ID 280 gen 36311 top level 257 path @/usr/sap
> ID 308 gen 17373 top level 258 path @/.snapshots/19/snapshot
> ID 309 gen 17373 top level 258 path @/.snapshots/20/snapshot
> ID 315 gen 17373 top level 258 path @/.snapshots/25/snapshot
>
> This is the additional information demanded when asking a support question:
>
> lvevm117:~ # uname -a
> Linux lvevm117 4.4.162-94.72-default #1 SMP Mon Nov 12 18:57:45 UTC 2018 (9de753f) x86_64 x86_64 x86_64 GNU/Linux
>
> lvevm117:~ # btrfs --version
> btrfs-progs v4.5.3+20160729
>
> lvevm117:~ # btrfs fi show
> Label: none uuid: fbe2e4f1-2ccd-44df-bc35-790c5e019d66
> Total devices 1 FS bytes used 8.78GiB
> devid 1 size 198.84GiB used 23.07GiB path /dev/sda3
>
> lvevm117:~ # btrfs fi df /
> Data, single: total=20.01GiB, used=8.37GiB
> System, DUP: total=32.00MiB, used=16.00KiB
> Metadata, DUP: total=1.50GiB, used=414.19MiB
> GlobalReserve, single: total=27.38MiB, used=0.00B
>
>
> THX
>
^ permalink raw reply [flat|nested] 3+ messages in thread
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2018-12-21 14:22 Defining quota on /home c.monty
2018-12-22 0:03 ` Qu Wenruo
2018-12-22 4:07 ` Andrei Borzenkov
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