Date: Thu, 10 Feb 2000 15:24:54 -0600 (CST) From: mhughes@logroad.bridge.com (Michael Hughes) To: cjclark@home.com Cc: freebsd-questions@FreeBSD.ORG Subject: Re: Trouble Reading Tape, Drive or Software? Message-ID: <200002102124.PAA13946@logroad.bridge.com> In-Reply-To: <20000210154332.A18555@cc942873-a.ewndsr1.nj.home.com> from "Crist J. Clark" at Feb 10, 2000 03:44:58 PM
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Clark, Have you rew the tape since you did the backup? You are using the no rewind device. Crist J. Clark said in email to me: > > Last night, I did a backup of a machine and piped the dump output over > ssh to another machine which then put the data on tape. The command on > the remote host was basically something like, > > dump -ua0f - / | ssh tape-server dd of=/dev/nrsa0 > > However, I cannot now read the tape. I first just tried stuff like, > > # restore -tvf /dev/nrsa0 > > But it would report it was not a dump tape. It seemed like it might be > a blocksize issue, so I tried to reverse the process, > > # dd if=/dev/nrsa0 | restore -tvf - > > But no good. dd(1) gives me the following (this is cut and paste of an > attempt to just read the tape to a file), > > dd if=/dev/nrsa0 of=var.dmp > dd: Feb 10 11:12:58 backmail /kernel: (sa0:aha0:0:6:0): 10240-byte tape record bigger than suplied buffer > /dev/nrsa0: Input/output error > 0+0 records in > 0+0 records out > 0 bytes transferred in 11.644325 secs (0 bytes/sec) > Feb 10 11:12:58 backmail /kernel: (sa0:aha0:0:6:0): tape is now frozen- use an OFFLINE, REWIND or MTEOM command to clear this state. > > When I rewind the tape (mt -f /dev/rsa0 rewind) and try again, I get > the same message. > > Is this a problem with my dd(1) options, dump(8) options, kernel > configuration, or is it a sign that the tape hardware is a problem? > > This is the first time I've used a tape on FreeBSD. Some additional > info, the OS version is 3.4-STABLE and the drive is a "EXABYTE > EXB-850085QANXRC 06X0" in the dmesg. > -- > Crist J. Clark cjclark@home.com > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-questions" in the body of the message > > -- Michael Hughes email:mhughes@bridge.com Bridge Information Systems, Inc. Pager pin:3142245953 St Louis MO Pager email:3142245953@scout.pagemart.net To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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