A question regarding zfs_nocacheflush:

The Evil Tuning Guide says to only enable this if every device is
protected by NVRAM.

However, is it safe to enable zfs_nocacheflush when I also have
local drives (the internal system drives) using ZFS, in particular if
the write cache is disabled on those drives?

What I have is a local zfs pool from the free space on the internal
drives, so I'm only using a partition and the drive's write cache
should be off, so my theory here is that zfs_nocacheflush shouldn't
have any effect because there's no drive cache in use...

-- 
-Peter Tribble
http://www.petertribble.co.uk/ - http://ptribble.blogspot.com/
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