1. SCSI tape problem - /dev/rct0
OSE5.0.0d; Exabyte 8200 tape on ID 3; Adaptec 2740. The Exabyte is the
the only configured tape, and is set as default, though I have an
ARCHIVE VIPER on ID 2.
I used a crontab entry using a script to call cbackup, to do a complete
backup after close of business; every morning, I'd come in to find
multiple mail messages saying the backup failed - couldn't open
/dev/rct0. I just tried it with Lone-Tar, and the same thing happens.
I can do
# cpio -ivt < /dev/rct0
and get a tape listing.
If I use scoadmin to do a manual backup, I select "SCSI Tape Drive 0",
and have no problems; I've tried without success to locate which device
this points to. I've also tried other devs in crontab - rStp0, xct0
etc, and checked perms in /dev.
Can anyone tell me where I might find the mysterious "SCSI Tape Drive
0" that I use in scoadmin? Or why my backups are failing with
/dev/rct0, when it's accessible from the command line?
I had trouble in the recent past with multiple entries
for both drives; couldn't get rid of them, so I took out their
(routing?) entries from the relevant space.h file, where they were
accumulating; at one time, I had two entries for each drive; relinking
appeared "faultless", and leaves me with just the Exabyte, according
to mkdev tape. There were also multiple entries in another Stp file,
which I also removed.
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