> From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss-
> boun...@opensolaris.org] On Behalf Of Lamp Zy
>
> One of my drives failed in Raidz2 with two hot spares:
> 

What zpool & zfs version are you using?  What OS version?

Are all the drives precisely the same size (Same make/model number?)  and
all the same firmware level?

Up to some point (I don't know which zpool version) there was a
characteristic (some would say a bug) whereby even a byte smaller drive
would cause the new drive to be an unsuitable replacement for a failed
drive.  And it was certainly known to happen sometimes, that a single mfgr &
model of drive would occasionally have these tiny variations in supposedly
identical drives.  But they created a workaround for this in some version of
zpool.

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