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List:       linux-btrfs
Subject:    Re: balance conversion from RAID-1 to RAID-10 leaves some metadata in RAID-1?
From:       Tomasz Chmielewski <mangoo () wpkg ! org>
Date:       2020-03-02 7:39:17
Message-ID: fdcfef7036565db2d2fb26d715dce0c1 () wpkg ! org
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On 2020-03-02 15:29, Chris Murphy wrote:
> On Sun, Mar 1, 2020 at 3:41 AM Tomasz Chmielewski <mangoo@wpkg.org> 
> wrote:
>> 
>> To my surprise, some metadata is still RAID-1 - is it expected?
> 
> I'd say it's not expected but also balance is pretty complicated. Try
> 
> 'btrfs balance start -dconvert=raid10,soft /mountpoint/'
> 
> What does dmesg report for that command? And are those raid1 bg's
> converted to raid10? I don't think it should matter in this case, but
> what's the btrfs-progs version?

I did one more balance, for metadata only:

btrfs balance start -dconvert=raid10 /mountpoint/

And it fully converted the remaining RAID-1 metadata to RAID-10.

Still, a bit "weird".

btrfs-progs is 5.4.1.


Tomasz Chmielewski
https://lxadm.com
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