HP A3550A - High Availability Disk Arrays Model 20 Storage Enclosure User Manual page 306

Event code Description
0x648 Termpower Low. Extended status is SCSI bus number. This message is logged
once at the completion of each powerup for any SCSI bus which the SP detects
as having an insufficient "TERMPWR" voltage level. This event code is only
used by SPs which do not themselves source termpower into the bus.
0x650 FRU Signature Error. The given FRU's current physical position in the matrix of
disks does not match its expected position (which is set at the time the FRU was
bound into a LUN).
0x654 Cache Dumping. SP started dumping the storage system cache to the vault
disks.
0x657 Cache Dump Completed. SP finished dumping the storage system cache to the
vault disks.
0x658 Cache Enabling. The SP is in the process of enabling the cache for use on host
data.
0x659 Cache Disabling. Storage system caching was disabled by the disk array or
system operator. The disk array disables caching if the BBU is not fully charged,
or an SP, vault disk or fan fails; see error 0x908.
0x660 AC Power Fail. After an AC power failure, the disk array dumped the cache to
the vault and turned off power to the BBU (it does this to minimize drain on the
BBU).
0x661 BBU Sniffing Enabled. This disk array is now allowed to shut down the BBU in
order to test the BBU.
0x662 BBU Sniffing Disabled. BBU shutdown testing is disabled on this disk array.
0x663 BBU Sniff Initiating. The BBU on this disk array is beginning a shutdown test
cycle.
0x664 BBU Sniff Cache Dump. In preparation for its weekly BBU test, the disk array
disabled caching. This message is followed by a 0x663 message.
0x665 Configured for Single SP. The disk array detected change to a single SP
configuration.
0x666 Configured for Dual SP. The disk array detected change to a dual SP
configuration.
0x667 Cache Recovering. The SP is recovering the contents of the Write Cache
following a reboot.
0x668 Cache Recovered. The SP has successfully completed recovering the contents
of the Write Cache following a reboot.
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