On 09-10-15 16:28:03, charles zeitler wrote: > thanks for the info. > > On Thu, Oct 15, 2009 at 12:30 PM, Tony Nelson > <tonynelson@xxxxxxxxxxxxxxxxx> wrote: > > On 09-10-15 01:29:22, charles zeitler wrote: > >> when trying to copy a certain file, i get the message: > >> cp: reading 'file' : Input/output error > > > > It is likely that the disk has one or more bad blocks. Use > > `smartctl -a /dev/sdx` to see all the data (or -A to see only the > > attributes) and look at the raw values of Current_Pending_Sector > > and Reallocated_Event_Count. The first reflects unfixed problems, > > and the second fixed problems. If both numbers are low, > > 13 & 0 13 is a bit high considering that it reflects only the bad blocks that have been noticed, but it could still be from a single bad area. The results from the long test will help decide. > > I would just keep using the drive, though I would first do a long > > test with `smartctl -t long /dev/sdx` (wait until the indicated > > time and then do a `smartctl - a /dev/sdx` to see what happened) > > should have more data from this in 4 hours. OK. > > and then enabled Automatic Offline > > Testing with `smartctl -o on /dev/sdx` (this will help keep up with > > sectors as they go bad, without unnecessary data loss). > > > > A program such as ddrescue (`yum install ddrescue`, `info > > ddrescue`) may help to salvage the damaged file(s). > > the file itself is not important, but i don't want the error > to migrate to one that is.. That won't happen, as the drive will use a good block to replace the bad block when it is written to. The real question is how many more blocks will go bad, and the long test should give a hint about that. -- ____________________________________________________________________ TonyN.:' <mailto:tonynelson@xxxxxxxxxxxxxxxxx> ' <http://www.georgeanelson.com/> -- fedora-list mailing list fedora-list@xxxxxxxxxx To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list Guidelines: http://fedoraproject.org/wiki/Communicate/MailingListGuidelines