HP A3550A - High Availability Disk Arrays Model 20 Storage Enclosure User Manual page 264

Figure 6-6 Performance Statistics for a Failed Disk Module
Table 6-5 Sense Key, Additional Sense Code, and Additional Sense Code Qualifier Values
(Not a Comprehensive List)
Sense key Description
0x00 - No Sense
00/00/00 There is no sense information to return at this time for this LUN.
0x01 - Recovered Error
The SP is returning an Unsolicited Sense Block to the host. See the Recovered
01/5D/00
Error Log Reporting section later in this chapter. This sense key is used only
when Recovered Error Reporting is enabled.
6-16 Troubleshooting the Disk Array