Bruno Wolff III <bruno@xxxxxxxx> writes: > Depending on the file system on the device the following may help you find > out if any of your bad sectors are in files: > http://smartmontools.sourceforge.net/badblockhowto.html I don't trust myself to get all that math right (and guessing about the underlying remapping). What I do is just copy the data to a good disk and then write zeros over the bad disk. This will clean up all Current_Pending_Sectors (bad sectors that haven't been reallocated yet) and turn them into Reallocated_Sector_Ct sectors. I'm getting a lot of experience doing this. For some reason my current crop of Seagate 7200.11 and 7200.12 are all developing unreadable sectors. I guess the Seagate perpendicular recording disks weren't quite ready for prime time. Almost -- but not quite. The fastest way I found to zero the disk is to use the security erase feature. A disk that takes 4 hours to be zeroed with dd can be zeroed in 2 hours with the built-in security erase. It took me a while to figure out how to get the security erase hooks to do anything but give me the "IO ERROR" errno. This seems to be the simplest way to get an erase to take place. (Suggestions and simplifications welcome!) disk=/dev/sdb pass=funkystuff hdparm --user-master u --security-set-pass $pass $disk hdparm --user-master u --security-erase $pass $disk hdparm --user-master u --security-disable $pass $disk -wolfgang -- Wolfgang S. Rupprecht If the airwaves belong to the public why does the public only get 3 non-overlapping WIFI channels? -- fedora-list mailing list fedora-list@xxxxxxxxxx To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list Guidelines: http://fedoraproject.org/wiki/Communicate/MailingListGuidelines
