Lori Alt wrote:
Can write-cache not be turned on manually as the user is sure that it is
only ZFS that is using the entire disk?
yes it can be turned on. But I don't know if ZFS would then know about it.
I'd still feel more comfortably with it being turned off unless ZFS itself
does it.
But maybe someone from the ZFS team can clarify this.
I think that it's true that ZFS would not know about the
write cache and thus you wouldn't get the benefit of it.
Actually, all that matters is that the write cache is on -- doesn't
matter whether ZFS turned it on or you did it manually. (However, make
sure that the write cache doesn't turn itself back off when you reboot /
lose power...)
--matt
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