2013/12/21 Tomasz Chmielewski <t...@virtall.com>:
> On Sat, 21 Dec 2013 00:07:19 +0800
> Shilong Wang <wangshilong1...@gmail.com> wrote:
>
>> 2013/12/20 Tomasz Chmielewski <t...@virtall.com>:
>> > -o skip_balance - didn't know this.
>> >
>> > Actually, I was able to "skip" the balance, sort of, with this:
>> >
>> > mount /mnt/btrfs ; btrfs fi balance cancel /mnt/btrfs
>>
>> From your previous email, i suspend your filesystem is nearly fully.
>> "mount -o skip_balance" will avoid balance continuing while use btrfs
>> balance cancel still
>> can not avoid balance totally, so i recommend you use skip_balance
>> option when remounting.
>
> My other thread a few days ago ("no space left, metadata usage almost
> full?"), if that's what you're referring to, was about a different
> filesystem.
>
> This one should have enough free space left:
>
> # btrfs fi
> show /mnt/lxc1 Label: lxc1 uuid: 8d08ad6d-4543-4fe5-8b1b-640dc1423d41
> Total devices 2 FS bytes used 2.02TiB
> devid 1 size 2.62TiB used 2.02TiB path /dev/sda5
> devid 2 size 2.62TiB used 2.02TiB path /dev/sdb5
>
> Btrfs v3.12
>
> # btrfs fi df /mnt/lxc1
> Data, RAID1: total=1.97TiB, used=1.97TiB
> System, RAID1: total=32.00MiB, used=300.00KiB
> Metadata, RAID1: total=50.00GiB, used=49.21GiB
>
>
> I've tried using skip_balance - it mounted, but breaks soon after I try
> to remove any snapshot.
>
ok, It seems that your filesystem is not in consistency anymore.
To confirm your filesystem status, you can try to run btrfsck to check if there
is something wrong.
To get a stable fs now, you can try to mount btrfs with option skip_balance and
recovery, recovery options try to get a previous good tree root which
might help you
get a stable fs.
>
> --
> Tomasz Chmielewski
> http://wpkg.org
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