balance canceling was: Re: slow single -> raid1 conversion (heavy write to original LVM volume)

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 15. 01. 20 4:26,  Qu Wenruo wrote:
> And due to another bug in balance canceling, we can't cancel it.
>
> For the unable to cancel part, there are patches to address it, and
> would get upstream in v5.6 release.

Hello,

looks like balance canceling is still not 100% in 5.6.x:


# btrfs balance status /data/
Balance on '/data/' is running, cancel requested
0 out of about 16 chunks balanced (9 considered), 100% left


Apr 13 23:30:52 sopa kernel: [ 6983.625318] BTRFS info (device dm-0):
balance: start -dusage=100,limit=16
Apr 13 23:30:52 sopa kernel: [ 6983.627286] BTRFS info (device dm-0):
relocating block group 5572244013056 flags data|raid1
Apr 13 23:31:05 sopa kernel: [ 6996.237814] BTRFS info (device dm-0):
relocating block group 5569073119232 flags data|raid1
Apr 13 23:31:40 sopa kernel: [ 7032.178175] BTRFS info (device dm-0):
found 17 extents, stage: move data extents
Apr 13 23:31:46 sopa kernel: [ 7037.711119] BTRFS info (device dm-0):
found 17 extents, stage: update data pointers
Apr 13 23:31:49 sopa kernel: [ 7040.767052] BTRFS info (device dm-0):
found 17 extents, stage: update data pointers
Apr 13 23:32:00 sopa kernel: [ 7051.885977] BTRFS info (device dm-0):
found 17 extents, stage: update data pointers
..

..

Apr 14 06:26:06 sopa kernel: [31897.468487] BTRFS info (device dm-0):
found 17 extents, stage: update data pointers
Apr 14 06:26:08 sopa kernel: [31900.034563] BTRFS info (device dm-0):
found 17 extents, stage: update data pointers
Apr 14 06:26:10 sopa kernel: [31901.719655] BTRFS info (device dm-0):
found 17 extents, stage: update data pointers
Apr 14 06:26:12 sopa kernel: [31903.334506] BTRFS info (device dm-0):
found 17 extents, stage: update data pointers
Apr 14 06:26:12 sopa kernel: [31903.856791] BTRFS info (device dm-0):
found 17 extents, stage: update data pointers


Linux sopa 5.6.4-050604-generic #202004131234 SMP Mon Apr 13 12:36:46
UTC 2020 x86_64 x86_64 x86_64 GNU/Linux

# btrfs fi us /data/
Overall:
    Device size:           3.71TiB
    Device allocated:           3.71TiB
    Device unallocated:           2.00MiB
    Device missing:             0.00B
    Used:               3.30TiB
    Free (estimated):         209.16GiB    (min: 209.16GiB)
    Data ratio:                  2.00
    Metadata ratio:              2.00
    Global reserve:         512.00MiB    (used: 0.00B)

Data,RAID1: Size:1.85TiB, Used:1.64TiB
   /dev/mapper/sopa-data       1.85TiB
   /dev/sdb3       1.85TiB

Metadata,RAID1: Size:6.11GiB, Used:4.77GiB
   /dev/mapper/sopa-data       6.11GiB
   /dev/sdb3       6.11GiB

System,RAID1: Size:32.00MiB, Used:304.00KiB
   /dev/mapper/sopa-data      32.00MiB
   /dev/sdb3      32.00MiB

Unallocated:
   /dev/mapper/sopa-data       1.00MiB
   /dev/sdb3       1.00MiB

# btrfs fi show /data/
Label: 'SOPADATA'  uuid: 37b8a62c-68e8-44e4-a3b2-eb572385c3e8
    Total devices 2 FS bytes used 1.65TiB
    devid    1 size 1.86TiB used 1.85TiB path /dev/mapper/sopa-data
    devid    2 size 1.86TiB used 1.85TiB path /dev/sdb3

jn




[Index of Archives]     [Linux Filesystem Development]     [Linux NFS]     [Linux NILFS]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux