Peter Tribble writes:
 > 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...
 > 

Seems plausible, But I'd check that the caches are indeed
off using format -e.

-r

 > -- 
 > -Peter Tribble
 > http://www.petertribble.co.uk/ - http://ptribble.blogspot.com/
 > _______________________________________________
 > zfs-discuss mailing list
 > zfs-discuss@opensolaris.org
 > http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

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