Specifications

Event Reporting: Templates and Codes 5–5
Failover Event Sense Data Response (Template 05)
The HSG80 controller Failover Control software component reports errors and other
conditions encountered during redundant controller communications and failover
operation via the Failover Event Sense Data Response (see Table 5–4). The error or
condition is signaled to all host systems on all logical units.
■ ASC and ASCQ codes (byte offsets 12 and 13) are detailed in the “ASC/ASCQ
Codes” section on page 5–17.
■ Instance codes (byte offsets 32–35) are detailed in the “Instance Codes” section on
page 5–20.
■ Last failure codes (byte offsets 104–107) are detailed in the “Last Failure Codes”
section on page 5–45.
77–103 Reserved
104–131 Affected LUNs Extension (TM0)
132–159 Reserved
Table 5–3 Template 04—Multiple-Bus Failover Event Sense Data Response Format
(Continued)
↓ offset bit → 76543210
Table 5–4 Template 05—Failover Event Sense Data Response Format
↓ offset bit → 76543210
0 Unused Error Code
1Unused
2 Unused Sense Key
3–6 Unused
7 Additional Sense Length
8–11 Unused
12 Additional Sense Code (ASC)
13 Additional Sense Code Qualifier (ASCQ)
14 Unused
15–17 Unused
18–31 Reserved
32–35 Instance Code
36 Template
37 Template Flags