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Bug FW 6.7.5 Final: Balance ends immeadiately
Hi, I manually startedcBalance, and it immeadiately completed: Log messages: Sat Jul 15 2017 23:25:22 Volume: Balance complete for volume data. Sat Jul 15 2017 23:25:17 Volume:...
Yup, you can see by the dmesg output that the NAS balanced a few chunks and thus it was not failing. At the same time your NAS is perfectly well balanced already, so it is no suprise then that a balance only takes a few seconds to run on your system.
Balance is not the same as say, a defrag or scrub. If there is hardly anything to balance - it will be super fast. But that is good that you have a well balanced volume!
If you'd rather not use SSH you could download the logs and post the output of btrfs.log then run the balance then download the logs again and post the relevant contents of dmesg.log (though obviously they won't be right at the end as there will be entries relating to downloading the logs).
btrfs.log contents:
- before balance: https://pastebin.com/zFeft5HM
- after balance: https://pastebin.com/VAzP90CL
- diff between before/after balance:
dmsg diff: insertions after balance:
[Sun Jul 16 21:56:02 2017] nr_pdflush_threads exported in /proc is scheduled for removal [Sun Jul 16 21:56:56 2017] BTRFS info (device dm-0): relocating block group 1949474750464 flags data [Sun Jul 16 21:56:59 2017] BTRFS info (device dm-0): found 52 extents [Sun Jul 16 21:57:03 2017] BTRFS info (device dm-0): found 52 extents [Sun Jul 16 21:57:03 2017] BTRFS info (device dm-0): relocating block group 1948937879552 flags metadata|dup [Sun Jul 16 21:57:04 2017] BTRFS info (device dm-0): relocating block group 1948904325120 flags system|dup [Sun Jul 16 21:57:04 2017] BTRFS info (device dm-0): found 7 extents
SSH commands output:
root@NAS-01:/# btrfs fi sh /data
Label: '0a433d7a:data' uuid: 964b1ba9-7b0b-487c-bcb5-0e2ed0ac348c
Total devices 1 FS bytes used 1.77TiB
devid 1 size 3.63TiB used 1.77TiB path /dev/mapper/data-0
root@NAS-01:/# btrfs fi df /data
Data, single: total=1.77TiB, used=1.77TiB
System, DUP: total=32.00MiB, used=224.00KiB
Metadata, DUP: total=3.50GiB, used=2.70GiB
GlobalReserve, single: total=512.00MiB, used=0.00BHope this can help you fix my issue with balance broken
Hi again,
Thanks for the info. Good news. The balance isn't failing at all :) It competes just fine after balancing a few chunks. So, there is no issue here. The reason it is fast is because the filesystem is already very well balanced out.
Are you sure ? the time seems so small.
Anyway, if it is normal, I will accept the solution and give feedback if any issue is noted
Yup, you can see by the dmesg output that the NAS balanced a few chunks and thus it was not failing. At the same time your NAS is perfectly well balanced already, so it is no suprise then that a balance only takes a few seconds to run on your system.
Balance is not the same as say, a defrag or scrub. If there is hardly anything to balance - it will be super fast. But that is good that you have a well balanced volume!
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