Re: Will "btrfs scrub" clear corrupt filesystem trees?

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On Oct 10, 2013, at 12:27 PM, Martin <m_btrfs@xxxxxxxxx> wrote:

> I have 1.5TB of data on a single disk formatted with defaults. There
> appears to be only two directory trees of a few MBytes that have
> suffered corruption (due to in the past too high a sata speed causing
> corruption).
> 
> The filesystem mounts fine. But how to clear out the corrupt trees?

If you've already gone through Hugo's list, I think it's a matter of waiting for further development for fixing such problems.

> 
> 
> Would a:
> 
> btrfs scrub start
> 
> clear out the corrupt trees?

I don't think so.


> 
> Must I wait for the btrfsck to complete if it is recreating an extents
> tree?…


Yes because scrub is online/mounted, and btrfsck is offline/unmounted.

Chris Murphy

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