Date: Wed, 28 Jan 2009 22:50:55 +0100 (CET) From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl> To: Jaime <jaime@snowmoon.com> Cc: freebsd-questions@freebsd.org Subject: Re: Quantum tape drive Message-ID: <20090128225005.N25826@wojtek.tensor.gdynia.pl> In-Reply-To: <ae4324ed0901281136v80fd634t1cbed1f73170c2ef@mail.gmail.com> References: <ae4324ed0901281136v80fd634t1cbed1f73170c2ef@mail.gmail.com>
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> 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 > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org" > >
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