Tape error renders tape drive unusable

[Eric Anderson]

On 10/12/06 10:45, Panagiotis Astithas wrote:
> Hi all,
> 
> on a dual-Xeon Dell server I have here (running 6.1-SECURITY), the tape 
> drive seems to have died since yesterday. The drive is:
> 
> sa0 at ahc0 bus 0 target 6 lun 0
> sa0: <SEAGATE DAT    DAT72-052 A060> Removable Sequential Access SCSI-3 
> device
> sa0: 80.000MB/s transfers (40.000MHz, offset 32, 16bit)
> 
> Last night during the regular backup, I got the following messages in 
> the log and the drive cannot eject the tape ever since, spitting out 
> "mt: /dev/nsa0: Input/output error" on every mt(1) invocation I try. A 
> reboot didn't help. Can anyone explain to me what these messages mean? 
> Is the tape drive b0rked?



I had some similar issues, and setting the queue depth down to other 
disks attached to the same bus fixed it for me.


Eric



-- 
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Eric Anderson        Sr. Systems Administrator        Centaur Technology
Anything that works is better than anything that doesn't.
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