On Oct 6, 2009, at 10:13 AM, Albert Chin wrote:
On Mon, Oct 05, 2009 at 04:51:13PM -0500, Bob Friesenhahn wrote:
On Mon, 5 Oct 2009, Albert Chin wrote:
Anyone know the CAM service incantation to ignore cache sync
commands on
the 6140?
Found this online for the 2540 but not the 6140:
http://www.mail-archive.com/[email protected]/
msg14443.html
The new firmware on the 2540 was like some whole new product so I
doubt
that this old posting is applicable any more.
So with every CAM update you need to find a new recipe? Seems easier
to
just set the following in /etc/system:
set zfs:zfs_nocacheflush = 1
As Bob mentioned, this isn't always safe. As this is a global setting
in the ZFS driver, pools on disks that /should/ have caches explicitly
flushed will not have that. An example would be a ZFS root on local
disks.
/dale
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