All the tape drives work most of the time, so this can't be the problem.
When it happened before (on drive5) it didn't happen again after I updated
the drive to be offline.  This time after I took drive5 offline it happened
on drive0.

Thanks anyway.

> -----Original Message-----
> From: bbullock [SMTP:bbullock AT MICRON DOT COM]
> Sent: Monday, March 15, 1999 11:05 AM
> To:   ADSM-L AT VM.MARIST DOT EDU
> Subject:      Re: ADSM tape mount problem
>
>         We had a problem similar to this, but may not fit your situation.
>   We moved our ADSM server from and R30 to an R50. When we wired up the
> 3590
> drives, we accidentally swapped 2 of the SCSI cables. When the server
> booted
> up, rmt2 was rmt3 and vice-versa. When we brought up the ADSM server and
> it
> requested a tape mount, the 3494 would put it in rmt2 but would never see
> it, we assume because it was waiting to see that tape in rmt3. When we
> corrected the problem by swapping the cables, rmdev-ing the devices, and
> "cfgmgr"-ing them back in, all was back to normal.
>   If your system has been up and running for a long time and no hardware
> changes have been made, this  may not be the problem
>
> Ben
>
> -----Original Message-----
>
> I have a call in to support, but thought maybe someone in the list might
> have experienced this and could provide some insight.  I have ADSM 3.1.2.1
> running on AIX 4.3.1.  We use a 3494 with 6 3590 tape drives.  Our atldd
> is
> at 3.2.1.0 and Atape is at 4.2.1.0.  ADSM requests the mount of a tape.
> MountWait is set for 30 minutes.  The 3494 never mounts the tape, but ADSM
> keeps on waiting and never gives up.  I can't find my notes, but I think
> we
> ended up finding a tape in the drive. This happened a couple of weeks ago
> when I was restoring some tape volumes the robotics had damaged, and I
> bounced ADSM.  It happened 3 times over 2 days, but not on the same
> tape(s).
>
> Saturday morning I discovered a client backup had been running for 7 hours
> because it was waiting on a tape mount.  I bounced ADSM since I couldn't
> cancel anything to free it up and took the drive in question (I found it
> by
> using mtlib to query the drives and found the only one that was busy, yet
> had nothing mounted in it per ADSM).  This morning I found out that a
> backup
> stgpool that started Saturday afternoon was still running, waiting on a
> tape
> mount.  I don't know if it's coincidental or not, but it's waiting on the
> same tape as the client backup was Saturday morning.
>
> Does anyone know why the 3494 doesn't mount the tape, or ADSM doesn't use
> the MountWait parameter?
>
> Tina Hilton
> Thomson Consumer Electronics
> Systems Software
> 317-587-4292
> hiltont AT tce DOT com