Here is the log entry when it quits working.  This time it quit on a read,
not on the write.

Jan 25 06:18:12 host2 kernel: st0: Error with sense data: Info fld=0x2800,
Current st09:00: sense key Not Ready
Jan 25 06:18:12 host2 kernel: Additional sense indicates Logical unit not
ready,initializing cmd. required
Jan 25 06:18:12 host2 kernel: st0: Error with sense data: Current st09:00:
sense key Not Ready
Jan 25 06:18:12 host2 kernel: Additional sense indicates Logical unit not
ready,initializing cmd. required
Jan 25 06:18:12 host2 kernel: st0: Error with sense data: Current st09:00:
sense key Not Ready
Jan 25 06:18:12 host2 kernel: Additional sense indicates Logical unit not
ready,initializing cmd. required
Jan 25 06:18:12 host2 kernel: st0: Error with sense data: Current st09:00:
sense key Not Ready
Jan 25 06:18:12 host2 kernel: Additional sense indicates Logical unit not
ready,initializing cmd. required
Jan 25 06:18:12 host2 kernel: st0: Error with sense data: Current st09:00:
sense key Not Ready
Jan 25 06:18:12 host2 kernel: Additional sense indicates Logical unit not
ready,initializing cmd. required
Jan 25 06:18:12 host2 kernel: st0: Error with sense data: Current st09:00:
sense key Not Ready
Jan 25 06:18:12 host2 kernel: Additional sense indicates Logical unit not
ready,initializing cmd. required

Ed

-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On
Behalf Of Joe Polk
Sent: Monday, January 27, 2003 3:12 PM
To: [EMAIL PROTECTED]
Subject: Re: Tape drive problem on Dell 4600

Are you getting any SCSI reset errors in your logs? This honestly looks like
a tape drive issue. If you have an identical one, try swapping them. See if
the problem follows the drive. I know it may not be feasible but worth a try
if possible.

<<JAV>>

---------- Original Message -----------
From: "Ed Cooley" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Mon, 27 Jan 2003 14:09:41 -0600
Subject: Tape drive problem on Dell 4600

> I am having a strange SCSI tape drive problem on a Dell 4600 server
> with an internal Benchmark DLT Drive OEM from Dell.
>
> We backup about 30-40 Gigs of data each night.  The tape drive will work
> fine for a day or two then it quits working.
>
> Any attempt to access the drive gives either a "No medium found" or
> "Input/output error"
>
> [root@host2 root]# tar vtf /dev/st0
> tar: /dev/st0: Cannot read: No medium found
> tar: At beginning of tape, quitting now
> tar: Error is not recoverable: exiting now
> [root@host2 root]# tar vtf /dev/st0
> tar: /dev/st0: Cannot read: Input/output error
> tar: At beginning of tape, quitting now
> tar: Error is not recoverable: exiting now
>
> Removing and reloading the aic7xxx module sees the controller and
> drive but the problem still exists until a full powerdown is
> executed.  If you try an init 6, the machines hangs while trying to
> load the linux kernel.
>
> We have replaced the tape drive, cable, and motherboard with onboard
> SCSI controller and nothing has helped.  The machine is basically
> serving NFS and samba file operations and that is it.
>
> I have tried RedHat 7.2 and 8.0 with the exact same results.
>
> Funny thing is the machine is identical to another sitting right
> next to it that has worked for six months without a hitch.
>
> Since I have replaced all the applicable hardware and cable what
> else can I look at?
>
> Thanks,
> Ed
>
> ---
> Edward J. Cooley - President
> Strategy Systems, Inc.
> 479-271-7400 Fax: 271-7401
> http://www.strategy5.com/
> [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>
------- End of Original Message -------



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