T10000 - Drive Wearout Critera

Asset ID:	1-72-1222086.1
Update Date:	2010-10-07
Keywords:

Solution Type Problem Resolution Sure

Solution 1222086.1 : T10000 - Drive Wearout Critera - Tape Alert 24

Applies to:

Sun Storage T10000A FC Tape Drive - Version: Not Applicable and later   [Release: NA and later ]
Sun Storage T10000B FC Tape Drive - Version: Not Applicable and later    [Release: NA and later]
Sun Storage SL8500 Modular Library System - Version: Not Applicable and later    [Release: NA and later]
Sun Storage SL3000 Modular Library System - Version: Not Applicable and later    [Release: NA and later]
Information in this document applies to any platform.

Symptoms

Tape alert 24
Result code 6455
RC6455

When a T10000A or T10000B drive gets 100,000 cartridge loads, it will set tape alert bit 24 which is defined as Predictive Failure. The SL8500 log will show, 'driveLoadLimitAlert' set with a result code of 6455.

Note:
This will affect any library that a T10000 drive is put into.

Changes

This change went in the code in 2006 and we are now starting to see drives that reach this number of loads in the field.

Cause

Once the 100K load threshold is reached the drive will send back this alert for every cartridge loaded.

Solution

This as a flag or trigger point is NOT to be used to replace drives. There is no danger to damaging tapes. Future T10000 drive code will remove this warning message and will not set the tape alert flag.

ETA of effected code, early 2011.

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