There is also a long-standing bug in the ALi chipset used on these servers which ZFS tickles. I don't think a work-around for this bug was ever implemented, and it's still present in Solaris 10.
On Nov 13, 2009, at 11:29 AM, Richard Elling wrote: > The Netra X1 has one ATA bus for both internal drives. > No way to get high perf out of a snail. > > -- richard > > > > On Nov 13, 2009, at 8:08 AM, Bob Friesenhahn <bfrie...@simple.dallas.tx.us> > wrote: > >> On Fri, 13 Nov 2009, Tim Cook wrote: >>> If it is using parallel SCSI, perhaps there is a problem with the SCSI bus >>> termination or a bad cable? >>> SCSI? Try PATA ;) >> >> Is that good? I don't recall ever selecting that option when purchasing a >> computer. It seemed safer to stick with SCSI than to try exotic >> technologies. >> >> Does PATA daisy-chain disks onto the same cable and controller? >> >> If this PATA and drives are becoming overwelmed, maybe it will help to tune >> zfs:zfs_vdev_max_pending down to a very small value in the kernel. >> >> Bob >> -- >> Bob Friesenhahn >> bfrie...@simple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/ >> GraphicsMagick Maintainer, http://www.GraphicsMagick.org/ >> _______________________________________________ >> 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 _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss