> If you have zpool less than version 19 (when ability to remove log
> device
> was introduced) and you have a non-mirrored log device that failed, you
> had
> better treat the situation as an emergency.  

> Instead, do "man zpool" and look for "zpool
> remove."
> If it says "supports removing log devices" then you had better use it
> to
> remove your log device.  If it says "only supports removing hotspares
> or
> cache" then your zpool is lost permanently.

I take it back.  If you lost your log device on a zpool which is less than
version 19, then you *might* have a possible hope if you migrate your disks
to a later system.  You *might* be able to "zpool import" on a later version
of OS.

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