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M2488 PRODUCT GUIDE MEDIA CHANGER COMMANDS
March 1997 CG00000-011503 REV. A 6-31
6-2.6.3 TEST UNIT READY Sense Keys
One of the following sense keys may be returned if a CHECK CONDITION was indicated:
SENSE KEY CONDITION DESCRIPTION
2h NOT READY Logical unit is not ready (magazine is not present).
4h HARDWARE ERROR Medium-changer hardware is broken.
5h ILLEGAL REQUEST 1. Reserved bit was found set in the CDB of the TEST UNIT
READY command.
2. Flag bit was set and link bit was not set.
6h UNIT ATTENTION Indicates the TEST UNIT READY command was not performed
due to one of the following:
1. The target has been reset.
2. The Mode parameters have been changed by another initiator.
3. The version of the microcode has been changed (microcode
downloaded).