On Fri, May 25, 2007 at 12:14:45AM -0400, Torrey McMahon wrote: > Albert Chin wrote: > >On Thu, May 24, 2007 at 11:55:58AM -0700, Grant Kelly wrote: > > > > > >>I'm getting really poor write performance with ZFS on a RAID5 volume > >>(5 disks) from a storagetek 6140 array. I've searched the web and > >>these forums and it seems that this zfs_nocacheflush option is the > >>solution, but I'm open to others as well. > >> > > > >What type of poor performance? Is it because of ZFS? You can test this > >by creating a RAID-5 volume on the 6140, creating a UFS file system on > >it, and then comparing performance with what you get against ZFS. > > If it's ZFS then you might want to check into modifying the 6540 NVRAM > as mentioned in this thread > > http://mail.opensolaris.org/pipermail/zfs-discuss/2006-December/024194.html > > there is a fix that doesn't involve modifying the NVRAM in the works. (I > don't have an estimate.)
The above URL helps only if you have Santricity. -- albert chin ([EMAIL PROTECTED]) _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
