Btrfs RAID-10 performance
Miloslav Hůla
miloslav.hula at gmail.com
Thu Sep 10 17:40:15 EEST 2020
I cannot verify it, but I think that even JBOD is propagated as a
virtual device. If you create JBOD from 3 different disks, low level
parameters may differ.
And probably old firmware is the reason we used RAID-0 two or three
years before.
Thank you for the ideas.
Kind regards
Milo
Dne 10.09.2020 v 16:15 Scott Q. napsal(a):
> Actually there is, filesystems like ZFS/BTRFS prefer to see the drive
> directly, not a virtual drive.
>
> I'm not sure you can change it now anymore but in the future, always use
> JBOD.
>
> It's also possible that you don't have the latest firmware on the
> 9361-8i. If I recall correctly, they only added in the JBOD option in
> the last firmware update
>
> On Thursday, 10/09/2020 at 08:52 Miloslav Hůla wrote:
>
> Some controllers has direct option "pass through to OS" for a drive,
> that's what I meant. I can't recall why we have chosen RAID-0
> instead of
> JBOD, there was some reason, but I hope there is no difference with
> single drive.
>
> Thank you
> Milo
>
> Dne 09.09.2020 v 15:51 Scott Q. napsal(a):
> > The 9361-8i does support passthrough ( JBOD mode ). Make sure you
> have
> > the latest firmware.
>
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