Tandberg Data SLR AUTOLOADER PROGRAMMER, Руководство пользователя

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Tandberg Data SCSI Commands
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Tandberg SLR Autoloader SCSI Functional Specifications 2-33
2.10.3 Storage Element Status Page
The Storage Element Status page includes an eight-byte header followed by
one or more storage element descriptors.
The format of the Storage Element Header follows:
Bit
Byte
7 6 5 4 3 2 1 0
0 Element Type Code (2 = Storage Element)
1 PVolTag AVolTag Reserved
2 Storage Element Descriptor Length (MSB)
3 Storage Element Descriptor Length (LSB)
4 Reserved
5 (MSB)
6 Byte Count of Descriptor Data Available
7 (LSB)
The format of the Storage Element Descriptor follows:
8 Element Address (MSB)
9 Element Address (LSB)
10 Reserved Access Except Reserved Full
11 Reserved
12 Additional Sense Code
13 Additional Sense Code Qualifier
14 Reserved
15 Reserved
16 Reserved
17 SValid Invert Reserved
18 Source Storage Element Address (MSB)
19 Source Storage Element Address (LSB)
20-55 Primary Volume Tag Information (field omitted if PVolTag = 0)
56-59 Reserved (field moved up if PVolTag = 0)
60 - n Descriptors for other Storage Elements Reported
There is one storage element descriptor corresponding to each configured
magazine slot. For fields not defined in this section, refer to 2.10.2.
Element Address
The element address field gives the address of the storage element.
Access
An access bit value of one indicates access to the element by a medium
transport element is allowed (the magazine is installed). An access bit of
zero indicates access to the element by the medium transport element is
denied.
Except
An exception (Except) bit of one indicates the element is in an abnormal
state. An Except bit of zero indicates the element is in a normal state. If this
bit is one, information on the abnormal state may be available in the
additional sense code and additional sense code qualifier bytes.