R/Evolution 2000 Series, Troubleshooting Manual

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98 R/Evolution 2000 Series Troubleshooting Guide • May 2008
Example
Below is an example of an error reported in the event log:
The drive in slot 10 of enclosure 1 reported a Sense Key Error of 2 and an
ASC/ASCQ of 04/11.
Disk Drive Errors
In general media errors (sense key 3), recovery errors (sense key 1), and SMART
events (identified by the following text in the event logs: “SMART event”) clearly
point to a problem with a specific drive. Other events, such as protocol errors and
I/O timeouts might suggest drive problems, but also might be indicative of poorly
seated or faulty cables, problems with particular drive slots, or even problems with
the drive’s dongle, a small printed circuit board attached to the drive carrier of each
drive. Each of these events may result in a warning or critical notification in
RAIDar and the event log.
Table 7-3 Common ASC and ASCQ Descriptions
ASC ASCQ Descriptions
0C 02 Write error
–
auto-reallocation failed
0C 03 Write error
–
recommend reassignment
11 00 Unrecovered read error
11 01 Read retries exhausted
11 02 Error too long to correct
11 03 Multiple read errors
11 04 Unrecovered read error
–
auto-reallocation failed
11 0B Unrecovered read error
–
recommend reassignment
11 0C Unrecovered read error
–
recommend rewrite the data
47 01h Data phase CRC error detected
DISK DETECTED ERR 1.10 02, 04,11.