[As posted on freebsd-scsi]
Hello
I currently face a strange problems.
I use several type of tapes; from 1Gb to 20Gb tapes.
I can read and write from of them but DDS-4 (20Gb)!
I can read DDS-4 btu cannot write on them.
When I try to write on a DDS-4 I encounter an error:
[gueway] ~# tar c /
tar: Removing leading `/' from member names
tar: /dev/sa0: Wrote only 0 of 10240 bytes
tar: Error is not recoverable: exiting now
and /var/log/messages says:
Jun 5 12:28:09 gueway /kernel: (sa0:sym0:0:5:0): WRITE FILEMARKS. CDB: 10 0 0 0 1 0
Jun 5 12:28:09 gueway /kernel: (sa0:sym0:0:5:0): MEDIUM ERROR info:1 asc:c,0
Jun 5 12:28:09 gueway /kernel: (sa0:sym0:0:5:0): Write error
Jun 5 12:28:09 gueway /kernel: (sa0:sym0:0:5:0): failed to write terminating
filemark(s)
every time a filemark has to be written, I have the same error.
For information, mt status gives:
[gueway] ~# mt status
Mode Density Blocksize bpi Compression
Current: 0x26:DDS-4 variable 97000DCLZ
-available modes-
0:0x26:DDS-4 variable 97000DCLZ
1:0x26:DDS-4 variable 97000DCLZ
2:0x26:DDS-4 variable 97000DCLZ
3:0x26:DDS-4 variable 97000DCLZ
-
Current Driver State: at rest.
-
File Number: 0 Record Number: 0Residual Count 0
Changing comp to off, or blocksize to 1024 does not help.
I do not understand why i can write on DDS-2 or DDS-3 but not on DDS-4
(i used to several months ago).
I need your help ;)
Thanks
Phil.
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