On Mon, Jan 4, 2010 at 3:51 PM, Joerg Schilling <joerg.schill...@fokus.fraunhofer.de> wrote: > Giovanni Tirloni <tirl...@gmail.com> wrote: > >> We use Seagate Barracuda ES.2 1TB disks and every time the OS starts >> to bang on a region of the disk with bad blocks (which essentially >> degrades the performance of the whole pool) we get a call from our >> clients complaining about NFS timeouts. They usually last for 5 >> minutes but I've seen it last for a whole hour while the drive is >> slowly dying. Off-lining the faulty disk fixes it. >> >> I'm trying to find out how the disks' firmware is programmed >> (timeouts, retries, etc) but so far nothing in the official docs. In >> this case the disk's retry timeout seem way too high for our needs and >> I believe a timeout limit imposed by the OS would help. > > Did you upgrade the firmware last spring? > > There is a known bug in the firmware that may let them go into alzheimer mode.
No, as their "serial number check utility" was not returning any upgrades for the disks I checked... but now I see in the forums that they released some new versions. Thanks for the heads up. I'll give it a try and hopefully we can see some improvement here. -- Giovanni P. Tirloni _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss