Re: BTRFS: read error corrected: ino 1 off 226840576 (dev /dev/mapper/dshelf1 sector 459432)

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Hugo Mills wrote (ao):
> On Wed, Jun 17, 2015 at 12:16:54AM -0700, Marc MERLIN wrote:
> > I had a few power offs due to a faulty power supply, and my mdadm raid5
> > got into fail mode after 2 drives got kicked out since their sequence
> > numbers didn't match due to the abrupt power offs.

> > gargamel:~# btrfs fi df /mnt/btrfs_pool1
> > Data, single: total=8.29TiB, used=8.28TiB
> > System, DUP: total=8.00MiB, used=920.00KiB
> > System, single: total=4.00MiB, used=0.00B
> > Metadata, DUP: total=14.00GiB, used=10.58GiB
> > Metadata, single: total=8.00MiB, used=0.00B
> > GlobalReserve, single: total=512.00MiB, used=0.00B

> > I'll do a scrub later, for now I have to wait 20 hours for the raid
> > rebuild first.
> 
>    You'll probably find that the rebuild is equivalent to a scrub anyway.

He has mdadm raid, which is rebuilding. This is obviously not equivalent
to a btrfs scrub.

	Sander
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