HP A3550A - High Availability Disk Arrays Model 20 Storage Enclosure User Manual page 309

Event code Description
0x805 Single Bit Error.
0x820 Soft Media Error. The SP successfully
cleared a media defect.
0x840 Disk Sector Invalidated. The LUN that
owns this disk encountered a condition
which required the firmware to
invalidate a sector on the unit. The
firmware did this to ensure that
incorrect data is not returned to the
host in the future.
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Event code Description
0x901 Hard SCSI error. An abnormal SCSI bus or disk drive event was detected and
could not be cleared through retry operations.
0x903 Fan Removed. A fan pack has been shut down or removed from the disk array.
0x904 VSC Removed. A VSC (power supply) has been shut down or removed from the
disk array.
0x905 Chassis Overtemperature. A chassis overtemperature condition has been
detected. The controller attempts corrective action.
0x906 Unit Shutdown. The Unit of which this drive is a member has been shutdown and
can no longer be accessed by the host.
0x907 Controller Firmware (SP microcode) Panic. A fatal firmware error has occurred;
as a result, the program running in the SP has reset SP. The SP was restarted
and continued normally.
8-36
Recommended threshold
The SP's tolerance level for single bit
errors in the read cache has been
exceeded.
Notify the user after three
errors/month/FRU.