Re: btrfs: convert metadata from raid5 to raid1

Menion
2020-02-17T14:12:49Z

ok thanks
I have launched it (in a tmux session), after 5 minutes the command
did not return yet, but dmesg and btrfs balance status
/array/mount/point report it in progress (0%).
Is it normal?

Il giorno lun 17 feb 2020 alle ore 14:55 Swâmi Petaramesh
<swami@petaramesh.org> ha scritto:
>
> On 2020-02-17 14:50, Menion wrote:
> > Is it ok to run it on a mounted filesystem with concurrent read and
> > write operations?
>
> Yes. Please check man btrfs-balance.
>
> All such BTRFS operations are to be run on live, mounted filesystems.
>
> Performance will suffer and it might be long though.
>
> > Also, since the number of HDD is 5, how this "raid1" scheme is deployed?
>
> BTRFS will manage storing 2 copies of every metadata block on 2
> different disks, and will choose how by itself.
>
> ॐ
>
> --
> Swâmi Petaramesh <swami@petaramesh.org> PGP 9076E32E
>