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Scalar 100 User’s Guide 97
Troubleshooting and Help
When a failure occurs, the Scalar 100 firmware performs error recovery and reporting. Error reporting
includes Service Action Codes (SACs), operator intervention messages, and operator information
messages. All of these messages are discussed and explained here.
Service Action Codes
If a failure requires operator service, a two-byte Service Action Code (SACs) is generated and displayed on
the operator panel. These codes indicate a specific task that should be taken.
Table 8 lists each SAC and
the recommended actions.
The two-byte SAC definition is generated as follows:
nn represents the Service Action Code
xx represents the modifier to the Service Action Code
00 represents the main controller
10 represents the picker controller
20 represents the display assembly
3x represents the drive module
x represents the drive ID
40 represents SCSI controller
50 represents Remote Management Unit (RMU)
Table 8 Service Action Code Descriptions
Reported
SAC
Error and Solution
01 xx
Type 1 software errors including microcode and operating system errors.
Error also due to communication time-out with the drive.
Power off and on the Scalar 100 library to recover from the error. Use the rear
switch to perform this action, wait at least one minute between power off and
on.
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