I had the same pb when labeling several tape on a STK9714 with ADSM NT 3.1.
I have solved the pb by changing the FASTLOAD Value on the STK9714

May be check the following point :
Update the DLT7000 Drive Firmware
Update the STK9710 Library Firmware
FASTLOAD Enable on the Library

Eric

> ----------
> From:         Kenneth Hansen[SMTP:clean77 AT HOTMAIL DOT COM]
> Reply To:     ADSM: Dist Stor Manager
> Sent:         mardi 9 juin 1998 15:20
> To:   ADSM-L AT VM.MARIST DOT EDU
> Subject:      DLT 7000 Drive is set unavailable.
>
> Hi all,
>
> We have a ADSM Server v3 and a STK9710 with DLT7000 Drives.
>
> To start with we had a problem that occurs when drive-unload failures
> occur.  The cartridge is left in the drive, yet ADSM continues to try
> to load the drive with other volumes as though it were
> unaffected.
>
> To solve this problem we installed the PTF 3.1.1.3
> This PTF do not fix the problem but it fix the error that is created!
>
> Afthet this the first problem was solved.
> And new once came.
>
> When ADSM is done with a backup (not all the time) it give this error
> message:
>
> ANR8300E I/O error on library STK9710 (OP=00006C02, CC=205, KEY=FF,
> ASC=FF, ASCQ=FF, SENSE=**NONE**, Description=SCSI adapter failure).
> Refer to Appendix  B in the 'Messages' manual for recommended action.
>
> ANR8447E No drives are currently available with the
> specified devtype in library STK9710.
>
> ANR1401W Mount request denied for volume 410000 -
> mount failed.
>
> ANR8447E No drives are currently available with the
> specified devtype in library STK9710.
>
> ANR1401W Mount request denied for volume 410164 -
> mount failed.
>
> ANR8468I DLT volume 410287 dismounted from drive MT0
> (/dev/mt0) in library STK9710.
>
> ANR8336I Verifying label of DLT volume 410316 in drive
> MT3             (/dev/mt3).
>
> ANR8337I DLT volume 410154 mounted in drive MT0
>
> Becauce of this the drive was set unavailable
> and we were running with one drive les.
>
> Please let me know hwat to do..
>
> Thank All.
>
>
>
>
>
>
>
>
>
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