ANR8939E on Windows 2008 system

Troubleshooting

Problem

ANR8939E The adapter for tape drive cannot handle the block size needed to use the volume, message is received when attempting to read tape volumes.

Symptom

Volumes cannot be read on a Windows 2008 R2 system, attempts to read the volume fail with the error:

ANR8939E The adapter for tape drive DRIVE1 (mt1.0.0.1) cannot handle the block size needed to use the volume.

Cause

The problem has been observed when using Adaptec SCSI HBA's, model numbers
29320ALP, 29320LPE and 39320A with Adaptec HBA driver version 7.0.0.12. Other models may be affected also.

Environment

Windows 2008 R2

Diagnosing The Problem

A trace taken on the Tivoli Storage Manager server using the PVR ADDMSG flags will simply show the ANR8939E

00:21:59.117 [30][psntpop.c][1768][]:PvrPsTape GET_TAPE_DRIVE_INFORMATION, maxblocksize 65536
00:21:59.117 [30][pvrntp.c][1184][]:Opening NTP Volume VOL123L3 blocksize=0, Drive DRIVE1 (mt1.0.0.1) maxblocksize=65536.
00:21:59.117 [30][output.c][6385][]:ANR8939E The adapter for tape drive DRIVE1 (mt1.0.0.1) cannot handle the block size needed to use the volume.~

Resolving The Problem

Using the Adaptec 7.0.0.8 HBA driver level, which, while not listed as supported for Windows 2008 R2, has resolved these errors.

[{"Product":{"code":"SSGSG7","label":"Tivoli Storage Manager"},"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Component":"Server","Platform":[{"code":"PF033","label":"Windows"}],"Version":"All Supported Versions","Edition":"","Line of Business":{"code":"LOB26","label":"Storage"}}]

Product Synonym

TSM

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Document Information

Modified date:
17 June 2018

UID

swg21500578

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