On Tue, 4 Feb 2003 07:58:22 -0800 (PST) Sheng-Ling Coady <coadyho AT yahoo DOT 
com> wrote:
> One of the three L7000 tape drives kept going down
> after the backup jobs started to run. 
> Feb  2 07:43:22 backup.its scsi: [ID 107833
> kern.warning] WARNING:
> /pci@1f,0/pci@1/pci@1/SUNW,isptwo@4/st@1,0 (st1):
> Feb  2 07:43:22 backup.its      Error for Command:
> write                   Error Level: Fatal
> Feb  2 07:43:22 backup.its scsi: [ID 107833
> kern.notice]        Requested Block: 1001296          
>         Error Block: 1001296
> Feb  2 07:43:22 backup.its scsi: [ID 107833
> kern.notice]        Vendor: Quantum                   
>         Serial Number: QA          
> Feb  2 07:43:22 backup.its scsi: [ID 107833
> kern.notice]        Sense Key: Media Error
> Feb  2 07:43:22 backup.its scsi: [ID 107833
> kern.notice]        ASC: 0xc (write error), ASCQ: 0x0,
> FRU: 0x0
> I've tried reseating the SCSI card, making sure all
> the cables connected, the drive was cleaned. 
> Anybody has any idea of what sense key:media error
> means? 


Sheng-Ling,
have you noticed whether it is the same tape (media) each time that
this error occurs? If it is the same tape, replace the media. Generally
(ie 99 times out of 100) when you see a "sense key: media error" it is 
the fault of the tape media rather than the drive.

hth,
James C. McPherson
--
Pacrim PTS Engineer            828 Pacific Highway
                               Gordon NSW 
Sun Microsystems Australia     2072