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SubjectRe: problem with hp C1537A tape drives

Hello Paul , Could you add a little more info like which scsi
chipset you are using & what the driver version is & what kernel
version you are running also (One more )& how you have the drive
chained to the scsi-bus . Someplace there is a pointer on howto
reset the scsi-bus from the /proc system , BUT the method is
highly not recommended . Hth , JimL

On Sun, 26 Nov 2000, Paul Jakma wrote:
> I have a problem with the aforementioned DDS-3 tape drives. I'm using
> one with amanda for backups. But every now and then the nightly backup
> fails with "I/O error" and i see the following in the system logs:
> st0: Error with sense data: [valid=0] Info fld=0x0, Current st09:00:
> sense key Aborted Command
> Additional Sense indicates Data phase error
> I try various things to get the drive to work again -> mt rewind, mt
> retension, load and unload the tape. "scsi remove-single-device" ->
> power off drive -> power up -> "scsi add-single-device". (it's not the
> tape cause i've tried replacing tapes).
> but nothing helps. now it mightn't be unreasonable to say the drive is
> faulty, so i replaced the drive with an identical C1537A. And... same
> thing happens again: after a couple of weeks of good backups i get the
> same problem again.
> Is there a known problem with SCSI tape drives? or with HP DDS-3
> drives? What does the kernel error message mean? (it's all 0's so not
> much i guess). What is a "Data Phase error"?
> thanks in advance,
> Paul Jakma.
| James W. Laferriere | System Techniques | Give me VMS |
| Network Engineer | 25416 22nd So | Give me Linux |
| | DesMoines WA 98198 | only on AXP |

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