Dell PowerVault ML6000 Dell PowerVault ML6000 SCSI Reference Guide - Page 59

Read Keys Response, the PERSISTENT RESERVE OUT command. - service guide

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Read Keys Response The response for a Read Keys service action is shown the following table. Table 46 Read Keys Response Byte Bit 7 6 5 4 3 2 1 0 0 Generation 3 4 Additional Length (n-7) 7 Reservation Key List 8 First Reservation Key 15 . . . n-7 Last Reservation Key n Generation - This field is a 32-bit counter that is incremented every time a PERSISTENT RESERVE OUT command requests a Register, a Register and Ignore Existing Key, a Clear, a Preempt, or a Preempt and Abort service action. This counter is not maintained across power cycles. Additional Length - This field indicates the length in bytes of the Reservation Key List. Reservation Key List - This is a list of all the 8-byte reservation keys that have been registered through the PERSISTENT RESERVE OUT command. PowerVault ML6000 SCSI Reference Guide 49

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PowerVault ML6000 SCSI Reference Guide
49
Read Keys Response
The response for a Read Keys service action is shown the following table.
Generation
– This field is a 32-bit counter that is incremented every time a PERSISTENT RESERVE OUT
command requests a Register, a Register and Ignore Existing Key, a Clear, a Preempt, or a Preempt and
Abort service action. This counter is not maintained across power cycles.
Additional Length
– This field indicates the length in bytes of the Reservation Key List.
Reservation Key List
– This is a list of all the 8-byte reservation keys that have been registered through
the PERSISTENT RESERVE OUT command.
Table 46
Read Keys Response
Bit
Byte
7
6
5
4
3
2
1
0
0
Generation
3
4
Additional Length (n-7)
7
Reservation Key List
8
First Reservation Key
15
. . .
n-7
Last Reservation Key
n