Report luns, Request sense, Report luns -14 – StorageTek StorageNet SCSI-3 User Manual

Page 34: Request sense -14, Table 3-23, Report luns command format -14, Table 3-24, Reported luns format -14, Table 3-25, Request sense command format -14

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FCP and SES Commands

3-14

8946121402

Report LUNs

An SES Application Client sends a

Report LUNs

command to obtain the number of logical

units (each is a switch in SCSI impersonation) in the Fabric. The

CDB

format is shown in

Table 3-23

.

The SESD reports the LUNs of associated switches with the format shown in

Table 3-24

.

Request Sense

An SES Application Client sends a

Request Sense

command to obtain sense data. The

CDB

format is shown in

Table 3-25

.

The SESD returns a sense key of

NO SENSE

and an additional sense code of

NO ADDITIONAL

SENSE INFORMATION

.

Table 3-23 Report LUNs Command Format

Byte/Bit

7

6

5

4

3

2

1

0

0

Operation Code = A0h

1 .. 5

Reserved

6 .. 9

Allocation Length

10

Reserved

11

Control = 0

Table 3-24 Reported LUNs Format

Byte/Bit

7

6

5

4

3

2

1

0

0 .. 3

LUN list length (

n-7)

4 .. 7

Reserved

8 .. 15

LUN

..

..

(

n-7)..n

LUN

Table 3-25 Request Sense Command Format

Byte/Bit

7

6

5

4

3

2

1

0

0

Operation Code = 03h

1 .. 3

Reserved

4

Allocation length

5

Control = 0

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