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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
Page Code
Send Diagnostic Command
01h
Reserved
02h
Enclosure Control
03h
Reserved
04h
String Out
05h
Threshold Out
06h
Array Control
07h
Reserved
08h
Reserved
09-0Fh
Reserved for SES
These pages are formatted as in the following table.
Table 205: ESI Page Format
Byte
7
0
1
2
(MSB)
3
n
If the enclosure supports 'short' mode, only page 08h is supported. If the enclosure supports 'long' mode, pages 01h-0Fh are
supported.
6
5
4
Page Code = 1h-0Fh
Page Specific
Page Length
Page Specific
Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification
Receive Diagnostic Command
Configuration
Enclosure Status
Help Text
String In
Threshold In
Array Status
Element Descriptor
Short Enclosure Status
Reserved for SES
Bit
3
2
242
1
0
(LSB)
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