M2488 PRODUCT GUIDE

MEDIA CHANGER COMMANDS

6-2.5.3 Source and Destination Elements

Table 6-33 shows when an element is allowed to be source or destination for a MOVE MEDIUM or EXCHANGE MEDIUM command based upon the element’s Full and Access status bits.

Table 6-33. Allowed Source and Destination Elements

 

 

 

 

ALLOWED AS

ALLOWED AS

ELEMENT

ELEMENT

ALLOWED

ALLOWED AS

FIRST

SECOND

DESTINATION

DESTINATION

DESTINATION

ACCESS

FULL

AS SOURCE

ELEMENT FOR

ELEMENT FOR

ELEMENT FOR

STATUS

STATUS

ELEMENT

MOVE MEDIUM

EXCHANGE

EXCHANGE

 

 

 

 

 

 

 

MEDIUM

MEDIUM

 

 

 

 

 

 

0

0

N

N

N

N

 

 

 

 

 

 

0

1

N

N

N

N

 

 

 

 

 

 

1

0

N

Y

N

Ya

 

 

 

 

 

 

1

1

Y

N

Y

Yb

a.Only if the Second destination element is different from the Source element.

b.Only if the Second destination element is the same as the Source element.

6-2.5.4 READ ELEMENT STATUS Sense Keys

One of the following sense keys may be returned if a CHECK CONDITION was indicated:

SENSE KEY

CONDITION

 

DESCRIPTION

 

 

 

5h

ILLEGAL REQUEST

1.Reserved bit was found set in the CDB of the READ ELE-

 

 

MENT STATUS command.

 

 

2.

Illegal value used in Element type code field of the CDB.

 

 

3.

The Flag bit was set but the Link bit was not set.

6h

UNIT ATTENTION

Indicates the READ ELEMENT STATUS command was not per-

 

 

formed due to one of the following:

 

 

1. A NOT READY TO READY transition has occurred.

 

 

2.

The target has been reset.

 

 

3.

The Medium-changer Mode parameters have been changed by

 

 

 

another initiator.

 

 

4.

The version of the microcode has been changed (microcode

 

 

 

downloaded).

 

 

5.

A cartridge was loaded with a tape length that is too long or too

 

 

 

short.

Bh

ABORTED COMMAND

READ ELEMENT STATUS command was aborted. The READ

 

 

ELEMENT STATUS command can be reissued.

 

 

 

 

March 1997

CG00000-011503 REV. A

6-29

Page 289
Image 289
Fujitsu M2488 manual Allowed Source and Destination Elements, Read Element Status Sense Keys