Peter Guhl wrote:
root@:/usr/local/etc/amanda/backup> dd if=/dev/urandom of=/dev/nrsa0 bs=32k
dd: /dev/nrsa0: short write on tape device
1301+0 records in
1300+1 records out
42598476 bytes transferred in 13.372441 secs (3185542 bytes/sec)
root@:/usr/local/etc/amanda/backup> dd if=/dev/urandom of=/dev/nrsa0
bs=32k
dd: /dev/nrsa0: short write on tape device
1756+0 records in
1755+1 records out
57507912 bytes transferred in 18.072619 secs (3182046 bytes/sec)
root@:/usr/local/etc/amanda/backup> dd if=/dev/urandom of=/dev/nrsa0
bs=32k
dd: /dev/nrsa0: short write on tape device
127+0 records in
126+1 records out
4128840 bytes transferred in 1.362397 secs (3030570 bytes/sec)
root@:/usr/local/etc/amanda/backup> dd if=/dev/urandom of=/dev/nrsa0
bs=32k
dd: /dev/nrsa0: short write on tape device
1935+0 records in
1934+1 records out
63373386 bytes transferred in 20.628743 secs (3072092 bytes/sec)
root@:/usr/local/etc/amanda/backup> dd if=/dev/urandom of=/dev/nrsa0
bs=32k
dd: /dev/nrsa0: short write on tape device
354+0 records in
353+1 records out
11567158 bytes transferred in 3.702742 secs (3123944 bytes/sec)
root@:/usr/local/etc/amanda/backup> dd if=/dev/urandom of=/dev/nrsa0
bs=32k
dd: /dev/nrsa0: short write on tape device
704+0 records in
703+1 records out
23035980 bytes transferred in 7.960560 secs (2893764 bytes/sec)
It was a little bit faster ;-) but I guess that's mainly because this
drive isn't in a very good shape... at least those rapidly changing
numbers look a lot like that.
Typical sign of a broken tape drive indeed.
Time for a support call to the hardware vendor.
--
Paul Bijnens, Xplanation Tel +32 16 397.511
Technologielaan 21 bus 2, B-3001 Leuven, BELGIUM Fax +32 16 397.512
http://www.xplanation.com/ email: Paul.Bijnens AT xplanation DOT com
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