I am trying to replace an older DLT tape drive (which doesn't like to
eject tapes any more) with a new Quantum DLT-4 drive. Its connected
by internal SCSI and seems to be set up right. But after DAYS of
running a tar command, its still not done backing up 60GB. The old
drive could backup 70-80GB in about 7 hours.
try mt setblk 0 and then tar -b 64 some drives gets locked with small
blocks.
and most can get locked with improper termination ;) check it.
I changed my backup script to include a -v flag in the tar command,
and it now lists hundreds or possibly thousands of files. But it
never even gets to /home before I killed the process (after 9 hours in
this case).
Any suggestions?
If it helps, the backup script and output from camcontrol follows.
However, this script is the same one that worked on the other drive.
A quick test with a Knoppix disk suggested that the backups ran faster
in Linux. Not positive of this, but it might be true.
$ cat /etc/periodic/daily/910.backups
#!/bin/sh
#
echo
echo "Tape archives:"
dow=`/bin/date +%w`
if test "$dow" -gt 1;
then
echo " Beginning backup."
/usr/bin/uptime
/usr/bin/tar -cvpX /usr/local/etc/backups/skiplist-relative.txt -f
/dev/sa0 -C / .
/usr/bin/uptime
else
echo " Today is a weekend. Skipping backups."
fi
$ camcontrol devlist
<SEAGATE ST373207LW 0004> at scbus0 target 0 lun 0 (pass0)
<SEAGATE ST373207LW 0004> at scbus0 target 1 lun 0 (pass1)
<SEAGATE ST373207LW 0004> at scbus0 target 2 lun 0 (pass2)
<LaCie BigDisk Extreme+ 3.AA> at scbus1 target 0 lun 0 (da0,pass3)
<QUANTUM DLT-V4 0A00> at scbus2 target 4 lun 0 (sa0,pass4)
Any help is greatly appreciated.
Thanks in advance,
Jaime
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