on 8-22-2008 9:07 AM Lorenzo Quatrini spake the following: > nate ha scritto: >> Lorenzo Quatrini wrote: >>> I have few disk that have offline uncorrectables sectors; >> Ideally it should be done using the manufacturer's tools, >> and really any disk that has even one bad sector that the OS >> can see should not be relied upon, it should be considered a >> failed disk. Disks automatically keep spare sectors that the >> operating system cannot see and re-maps bad sectors to them, >> if your seeing bad sectors that means that collection of >> spares has been exhausted. I've never seen a disk manufacturer >> not accept a disk that had bad sectors on it (that was still >> under warranty) in as long as I can remember.. >> >> nate >> > For what I understand Offline uncorrectable means that the sector would be > relocated the next time it is accessed for writing... so it is on a "wait for > relocation" status. > I don't know of any other way to force this relocation other tha actually > writing over the sector (a simple read doesn't trigger the relocation)... > > And yes, I know that a disk with bad blocks isn't reliable, but you remember? > I'm too lazy to send my home disks back to the manufacturer ;) Then I hope you are not too lazy to do some proper backups! Sending a disk back to be replaced is a lot less work then recovering a failed array when the disk tanks. How much is your data worth? I know by experience that a 6 drive raid 5 array can run near $10,000 US to recover. -- MailScanner is like deodorant... You hope everybody uses it, and you notice quickly if they don't!!!! -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 250 bytes Desc: OpenPGP digital signature URL: <http://lists.centos.org/pipermail/centos/attachments/20080822/4e3d507c/attachment-0004.sig>