Hitachi HUS154530VLF400 User Manual

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Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification
242 
19.27.2  Enclosure Service Information (ESI) Page Format
The drive supports the following enclosure pages as specified by the “SCSI-3 Enclosure Service (SES) Rev 8a” standard.  
Please refer to that standard for more definition on these pages. Note that the drive does not attempt to process the information 
in these pages, but only acts as a pass through node, to allow the initiator to communicate with the enclosure.
Table 204: Enclosure Page Support for Send and Receive Diagnostic Commands
These pages are formatted as in the following table.
Table 205: ESI Page Format
If the enclosure supports ’short’ mode, only page 08h is supported. If the enclosure supports ’long’ mode, pages 01h-0Fh are 
supported.
Page Code
Send Diagnostic Command
Receive Diagnostic Command 
01h
Reserved
Configuration
02h
Enclosure Control
Enclosure Status
03h
Reserved
Help Text
04h
String Out
String In
05h
Threshold Out
Threshold In
06h
Array Control
Array Status
07h
Reserved
Element Descriptor
08h
Reserved
Short Enclosure Status
09-0Fh
Reserved for SES
Reserved for SES
Byte
Bit
7
6
5
4
3
2
1
0
0
Page Code = 1h-0Fh
1
Page Specific
2
3
(MSB)                                                   Page Length
(LSB)
n
Page Specific