On Sat, 11 Jul 2015 04:53:42 -0400 Gary Dale <garydale@torfree.net> wrote: > Further to the issue, the problem is triggered by reading from the disk. > I can copy files onto the disk without problems but when I issue the cmp > command to compare the copy to the original, I get system error messages > and the drive vanishes. > > This doesn't happen immediately. It seems to after some significant file > i/o. Interestingly, I've gotten i/o error messages on files that, after > a reboot (remote system so I can't unplug and replug the drive), compare > OK. This leads me to think it's not a disk problem. Also smartctl -H > says the disk is healthy. This might be related to the problems with USB disks Bob Proulx described back in April, you can find the posting here: https://lists.debian.org/debian-user/2015/04/msg00105.html You could also run a selftest on the disk with smartctl to see what that says. Check the "-t" option in the man page for details. Petter -- "I'm ionized" "Are you sure?" "I'm positive."
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