Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification
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21.6.9.1 Response to SCSI Command in Degraded Mode - Disable Auto Start
The tables on the following pages show the degraded mode status with acceptable commands and additional sense codes
Table 255:Spindle Motor Degraded Mode - Disable Auto Start
Command (w/Option) Response
Request Sense Executed. The Target may return Sense Key 02h (Not Ready) ASC/ASCQ
0402h (Initialize Command Required)
Inquiry (EVPD=0) Executed
Inquiry (EVPD=1) Executed and Check Condition is returned with Sense Key 05h (Illegal Request)
ASC/ASCQ 2400h (Invalid Field in CDB)
Test Unit Ready Executed and Check Condition is returned with Sense Key 02h (Not Ready)
ASC/ASCQ 0402h (Initialize Command Required)
Start Stop Unit
(Start)
Executed
- Success: Good Status is returned. Motor Degraded Mode is cleared
- Spindle Motor Start Failure: Check Condition with Sense Key 02h (Not Ready)
ASC/ASCQ 0400h (Start Spindle Motor Fail)
- Self Configuration Failure: Check Condition with Sense Key 02h (Not Ready)
ASC/ASCQ 4080h (Diag Fail- Bring up Fail)
Sense Key 02h (Not Ready) ASC/ASCQ 4085h (Diag Fail-RAM Code NOT
load)
Start Stop Unit
(Stop)
Executed. Good Status is returned. Motor Degraded Mode is NOT cleared
Other Commands Not Executed. Check Condition Status is returned with Sense Key 02h (Not
Ready) ASC/ASCQ 0402h (Initialize Command Required)