HP High Availability Disk Array 10/20 User Guide - Page 310

Event code 0x908 0x909 0x90A 0x90B 0x90C 0x90D 0x90E 0x90F 0x910 0x920 0x921 0x922 0x923 Description Hardware Fault - Cache disabling. Some hardware condition has caused the SP to disable the cache. The problem might be: - BBU is not ready (not present and fully charged) - One or more vault disks is missing or being rebuilt - Fan fault occurred, or - SP failed Cache Dump Failed. A fault caused the disk array to try to dump the vault. The cache dump failed because two or more vault disks are missing or have failed. Assign Fails - Cache Dirty Unit. The SP cannot assign this unit, because it is marked as having cached data outstanding, and the SP has no access to the data. Controller Cannot Initialize Cache. Some hardware or software failure occurred when the SP attempted to initialize a new cache image. Cache Image Exceeds Memory Size. This SP is incapable of loading the saved cache data image due to insufficient cache memory size. BBU Removed. The BBU in this disk array has been removed. BBU Disabled. The BBU in this disk array has failed its internal selftest. Cache Recovered With Errors. A non-mirrored cache recovery failed to recover the cache pages for some, but not all, cached LUNs. It does not apply to a disk array with two SPs. Cache Recovery Failed. A non-mirrored cache failed to recover information for all cached LUNs. It does not apply to a disk array with two SPs. Hard Media Error. This disk has reported a media defect with could not be cleared by the SP. Host Vault Load Failed. The SP encountered multiple errors while attempting to load the cache image from disk. This message may indicate multiple drive failures. Host Vault Load Inconsistent. The SP found inconsistencies in the card image on the disk. This may indicate a failure or abort of the cache dump. Host Vault Load Failed Bitmap Ok. The SP successfully read the control portion of the cache image on disk, but found the data portion to be incomplete. This means that a failure or abort occurred during the cache dump. Probably any LUN with write-cached pages will be inaccessible and must be rebound. To identify such a LUN, read message 0x90A in this table. Troubleshooting 8-37