Compaq StorageWorks Data Replication Manager HSG80 ACS Version 8.5P Operations Guide
Troubleshooting 6–9
Failure at Target Site after Failover
After a failover has occurred, failures at the target site are detected the same as in a
non-disaster tolerant state. Table 6-2 shows the possible failure modes at the target site,
assuming that the initiator site is not available to failback to.
Table 6–2 Target Site DT Failure Modes After Failover
Target Host
Target Top Switch
Target Bottom Switch
Target Controller A
Target Controller B
Failure Mode
Loss Of
Action
X Remote site Repair host
X Data path Repair switch
X Data path Repair switch
X X Data access Repair switches
X Data path Repair controller
X Data path Repair controller
X X Data access Replace controllers