HP StorageWorks HSG60 and HSG80 Array Controller and Array Controller Software Troubleshooting Guide (EK-G80TS-SA. C01, March 2005)

Troubleshooting Information
48 HSG60 and HSG80 Array Controller and Array Controller Software Troubleshooting Guide
Multibit
cache
memory
failure.
Good. Data loss: Forced error and loss
of writeback data for which the
multibit error occurred.
Controller A detects and reports
the lost blocks.
Cache policy: Both controllers
support writeback caching.
Failover: None.
Data loss: None. Controller A
recovers lost writeback data from
the mirrored copy on Cache B.
Cache policy: Both controllers
support writeback caching.
Failover: None.
Table 8: Cache Policies—Cache Module Status (Continued)
Cache Module
Status
Cache Policy
Cache A Cache B Unmirrored Cache Mirrored Cache