Re: Debugging amlabel?
2006-05-04 13:15:24
Hi Paul
Paul Bijnens wrote:
Normal scsi voodoo: is the cable terminated? Did you sacrifice
a chicken? ...
Can you read/write to the tape when not using amanda tools, e.g.
simple: dd if=somefile bs=32k of=/dev/st0
I must say that my first thought really was the chicken ;-).
Well, it was your second tip... While choosing the bloksize of 32k for
"dd" I was running into I/O errors on the tape drive so the next step is
to check the blocksize of that tapedrive:
$ mt -f /dev/st0 status
SCSI 2 tape drive:
File number=0, block number=1, partition=0.
Tape block size 65536 bytes. Density code 0x42 (no translation).
Soft error count since last status=0
General status bits on (1010000):
ONLINE IM_REP_EN
While I couldn't find the option to specify the blocksize in the
tapetype I simply changed the blocksize of that tapedrive:
$ mt -f /dev/nst0 setblk 32768
and (while still thinking about the chicken):
$ amlabel tapeBackup tapeBackup-01
labeling tape in slot 1 (/dev/nst0):
rewinding, reading label, reading label: Input/output error
rewinding, writing label tapeBackup-01, checking label, done.
Let's start dumping ;-)
Thank you!
Arnd
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