Hi, On 16 May 2013, at 21:51, Zaphod Beeblebrox wrote:
> I have to retrieve some very old backups. They were made on FreeBSD and > are on tape... specifically DDS4. [etc] > However, attached to either controller (after a reboot of the machine and a > powercycle of the drive), I get: > > [1:25:325]root@run:/home/foo> dd if=/dev/sa0 of=tape5 > dd: /dev/sa0: Input/output error > 0+0 records in > 0+0 records out > 0 bytes transferred in 0.002930 secs (0 bytes/sec) > > ... which is a return code of '1' and no messages on the console... > > I have, before you ask, tried "bs=10k" and 20k ... but I believe this > command should run by itself fetching the first 512 bytes of each block --- > narrowing down the block size logically comes after making the tape go. Try bs=64k -- Bob Bishop [email protected] _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "[email protected]"
