Hello Bill, Wednesday, June 4, 2008, 12:37:38 AM, you wrote:
BS> I'm pretty sure that this bug is fixed in Solaris 10U5, patch BS> 127127-11 and 127128-11 (note: 6462690 sd driver should set BS> SYNC_NV bit when issuing SYNCHRONIZE CACHE to SBC-2 devices). BS> However, a test system with new 6140 arrays still seems to be BS> suffering from lots of cache flushes. This is verified by setting BS> "zfs_nocacheflush=1" and seeing noticeable improvement in BS> performance. Can someone verify that this fix is indeed in the BS> above release and patch set. If so, then are there parameters BS> that need to be set for this to be active or is there firmware or BS> other updates that need to be loaded into this new array? Any help appreciated. BS> Well, the real question is how 6140 reacts to SYNC_NV - probably it doesn't care... -- Best regards, Robert mailto:[EMAIL PROTECTED] http://milek.blogspot.com _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
