On 23 July, 2008 - Brandon High sent me these 1,3K bytes: > On Wed, Jul 23, 2008 at 3:21 PM, Ian Collins <[EMAIL PROTECTED]> wrote: > >> 2. get four disks and do raidz2. > >> > >> In addition to increasing MTTF, this is good because if you need > >> to leave in a hurry, you can grab two of the disks and still leave > >> behind a working file server. I think this is important for home > >> setups. > >> > > I'd use mirrors rather than raidz2. You should see better performance and > > you really can grab two of the disks and still leave behind a working file > > server! > > With raidz2, you can grab any two disks. With mirroring, you have to > grab the correct two. > > Personally, with only 4 drives I would use raidz to increase the > available storage or mirroring for better performance rather than use > raidz2. > > >> 3. burn in the raidset for at least one month before trusting the > >> disks to not all fail simultaneously. > >> > > Has anyone ever seen this happen for real? I seriously doubt it will happen > > with new drives. > > My new workstation in the office had it's (sole) 400gb drive die after > about 2 months. It does happen. Production lots share failure > characteristics.
Bit errors, failing S.M.A.R.T test after 27 hours. /Tomas -- Tomas Ögren, [EMAIL PROTECTED], http://www.acc.umu.se/~stric/ |- Student at Computing Science, University of Umeå `- Sysadmin at {cs,acc}.umu.se _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
