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 _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss