T087 - Dell PowerVault ML6000 Maintenance Manual

T087

T087 - Invalid Library SN Label Warning
Description
Detection Scenarios
Root Causes
Service Resolution
Steps
Possible CRUs/FRUs
288
GUI Description: The library's serial number barcode label cannot be read by
the robot, but the library is able to initialize and continue operation.
Explanation:
The library logic learns the serial number of the system by reading an internal
serial number label. The service tag is located on the same label as the serial
number. This is done at first bootup from a "clear to ship" condition to establish
the serial number. It is also done on subsequent bootups to confirm that the
compact flash memory card is in the proper library. The library will report this
ticket when it cannot read the library serial number but has confirmed the
functionality of the barcode reading system by successfully reading some
other barcode label in the library, and it has the library serial number stored in
memory from a previous successful read. When this ticket is posted, the user
can be confident that at least one other barcode label has been read.
For example, barcodes that can be used the check functionality are:
• WWN or SN (in control modules)
• OID (in expansion modules)
Different RAS tickets will be posted if there are motion-related problems,
scanner communication problems, and so on.
Any power up. System memory already has a valid serial number established
for the LCB.
• Label is damaged.
• Label is missing.
• Label is physically obstructed.
• Label is readable but does not meet minimum criteria to be considered a
library serial number label.
• Scanner cannot read the serial label.
1 Perform DR051 - Resolve Library SN Label Detection
2 Inspect the label inside the unit for damage.
3 Clear the RAS ticket.
4 Ask customer to e-mail a library snapshot. Look at the RAS agents file.
Note: Read and perform all resolution steps before dispatching any parts.
Dispatch the first part listed below for replacement. If this does not solve the
problem, dispatch the second part, and so on, in order. Dispatch only one part
(or set of parts) at a time.
1 Module (EM or CM) — only dispatch this FRU if the label is missing or
damaged.
on page 391.
Troubleshooting the Tape Library