Re: [gentoo-user] [OT] Using an odd number of drives in ZFS RaidZ

[J. Roeleveld]

On Thursday, July 1, 2021 3:47:08 PM CEST Robert David wrote:

> In any of my data arrays I have long time migrated off the RAIDZ to the
> MIRROR or RAID10. You will find finally that the RAIDZ is slow and not
> very flexible. Only think you gain is the extra space in constrained
> array spaces. For RAID10 it is much easier to raise the size, just
> resilvering to new bigger disks, removing old and expanding. The
> resilvering speed is magnitude faster. And anyway much easier to recover
> in cases of failure.

multiple RAIDZ2 vdevs with a fast enough I/O can easily saturate multiple 
10Gbit links. I actually have 2 pools in my system, one is using tripple-
mirrored VDEVs, the other 6-disk RAIDZ2 sets.

Both are easily capable of saturating the 10gbit link I use.

--
Joost