On Apr 25, 2007, at 11:17 AM, cedric briner wrote:
hello the list,
After reading the _excellent_ ZFS Best Practices Guide, I've seen
in the section: ZFS and Complex Storage Consideration that we
should configure the storage system to ignore command which will
flush the memory into the disk.
So does some of you knows how to tell Xserve Raid to ignore
``fsync'' requests ?
After the announce that zfs will be included in Tiger, I'll be
surprised that the Xserve Raid will not include such configuration.
You can tell the Xserve RAID to ignore cache flush commands, but the
option to make this so is controller-wide and not settable on a per-
LUN basis.
In the Xserve RAID management app, select a controller, click the
Settings button and enter the admin password for the array. Then
click the Performance tab, and make sure that the "Allow Host Cache
Flushing" option is unchecked for the controllers you don't want that
on.
/dale
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