On 2017年09月21日 02:10, Rich Rauenzahn wrote:
On 9/20/2017 9:58 AM, Rich Rauenzahn wrote:
What's the most direct way to do that? (Was about to risk breaking
the mirror and repartitioning! I'd rather not!)
Hmm -- maybe this worked:
$ sudo btrfs filesystem resize -1m /.MEDIA/
Resize '/.MEDIA/' of '-1m'
No, doesn't seem to have worked. I used btrfs fi show --raw /.MEDIA to
see the size in bytes, and then ...
sudo btrfs filesystem resize N:SIZE /.MEDIA/
Yes, this is what I did to my fs.
While in fact you can do it better by using:
btrfs fi resize N:max <path>
Or
btrfs fi resize N:-1 <path>
The first one will resize the devid N to its max size.
The 2nd one will resize the devid N to current size - 1 (byte).
Both will go through shrink routine, which will do the round_down.
Thanks,
Qu
Where N was the disk number in the show output, and SIZE was the number
of bytes to set it to that was a multiple of 4k.
Rich
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