[CentOS] scsi tape drive problems
jlb17 at duke.edu
Mon Sep 26 20:29:28 UTC 2005
On Mon, 26 Sep 2005 at 4:17pm, James B. Byrne wrote
> I am experimenting with a scsi2 HP SureStore DAT24 attached as an
> external device to an Intel P4 system. I am attempting to create a
> raw disk image of a dds2 tape made on a non linux system.
> My immediate problem is that I am trying to terminate a dd process
> and having no luck. dd was invoked thus:
> dd if=/dev/nst1 of=/tmp/disk.dds2.img bs=512 & pid=$!
> a ps reveals this:
> PID TTY TIME CMD
> 1936 pts/0 00:00:00 bash
> 2034 pts/0 00:00:15 dd
> 2093 pts/0 00:00:00 ps
That dd command will continue until it hits an EOF (I believe -- maybe
EOD). Until then, it'll be in the 'D' state (waiting for I/O), and
therefore unkillable. You'll just have to wait it out (or, as you
conjectured, reboot). Is the tape drive reading (and, correspondingly,
the disk writing)?
Department of Biomedical Engineering
More information about the CentOS