Re: ENOSPC errors during raid1 rebalance

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On Mar 4, 2014, at 11:54 AM, Michael Russo <mike@xxxxxxxxxxxxxx> wrote:

> Chris Murphy <lists <at> colorremedies.com> writes:
>> Based on my reading of the man page, I think it's expected. 
>> You either need -s -l or -t.
> 
> Ok, although the man page uses [ ] instead of < > and something
> does happen if I don't add them. But if I use "-t 1" wouldn't that
> get everything?

Yeah you're right, you do get a default behavior but I think it's really permissive. I've thrown 30000 extent files at it, and it's still 30000 extents afterward.


> 
>> 
>>> Now I've gotten 
>>> it down to only 2 5GB segments that won't move.
>> 
>> Another way would be to just copy it (not reflink) and delete the original.
>> 
> 
> How can I find out what file is on the block group that 
> it's having a problem with?

I think that's btrfs-debug-tree -b ? But don't hold me to that. I haven't done enough debugging to find files from block numbers. Another that might be relevant is btrfs inspect-internal logical-resolve.

Chris Murphy

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