Fujitsu M2488 manual Storage Element Descriptor Type Code=2h

M2488 PRODUCT GUIDE MEDIA CHANGER COMMANDS

Table 6-27. Storage Element Descriptor (Type Code=2h)

						BITS
BYTES	7	6	5		4		3	2	1	0
0	MSB				Element Address
1										LSB
2		Reserved					Access	Exception	Reserved	Full
3						Reserved
4					Additional Sense Code
5				Additional Sense Code Qualifier
6-						Reserved
8
9	SValid	Invert=0					Reserved
10	MSB			Source storage element address
11										LSB
12-						Reserved
15

Table 6-28. Storage Element Descriptor Field Description

BYTE	BIT	VALUE	DESCRIPTION
0-1			The Element address field indicates the address of the element for which status is
			being reported in the descriptor.
2	0	1	The Full bit, if one, indicates that a cartridge is present in the storage element.
		0	If the Full bit is zero then no cartridge is present in the element.
2	2	1	The Exception bit, if one, indicates that the element is in an error condition.
		0	If the Exception bit is zero then the element is not in an error condition. When the
			Exception bit is one, the Additional Sense code and Additional sense code qualifier
			fields give detailed information about the error condition.
2	3	1	If the Access bit is one then the storage element is accessible to the medium transfer
			element.
		0	If the Access bit is zero the storage element is not accessible to the medium transfer
			element.
9	6	0	The Invert bit is always set to 0. The cartridges for the supported tape format cannot
			be inverted.
9	7	1	If the SValid bit is set to one then the Source storage element address field indicates
			the address of the element where the current unit of media [cartridge] in the element
			was previously stored.
		0	If the SValid bit is zero then the value in the Source storage element address field is
			not valid.

March 1997 CG00000-011503 REV. A 6-25