Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification
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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
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
76543210
0 Page Code = 1h-0Fh
1 Page Specific
2
3
(MSB) Page Length
(LSB)
n Page Specific