Freecom TAPEWARE AIT-250I Specification page 99

PERSISTENT RESERVE IN
Code Name
0h
1h Write
Exclusive
2h
3h Exclusive
Access
4h
5h Write
Exclusive-
Registrants
Only
6h Exclusive
Access-
Registrants
Only (not
supported in
this drive)
7h-Fh Reserved
SONY AIT-E Turbo drive SDX-250V series Ver.1.0
Table 6-53: PERSISTENT RESERVATION TYPE Codes
Obsolete
Reads Shared: Any application client on any initiator may execute tasks that request
transfers from the storage medium or cache of the logical unit to the initiator.
Writes Exclusive: Any task from any initiator other than the initiator holding the
persistent reservation that requests a transfer from the initiator to the storage medium
or cache of the logical unit shall result in a reservation conflict.
Obsolete
Reads Exclusive: Any task from any initiator other than the initiator holding the
persistent reservation that requests a transfer from the storage medium or cache of
the logical unit shall result in a reservation conflict.
Write Exclusive: Any task from any initiator other than the initiator holding the
persistent reservation that requests a transfer from the initiator to the storage medium
or cache of the logical unit shall result in a reservation conflict.
Obsolete
Reads Shared: Any application client on any initiator may execute tasks that request
transfers from the storage medium or cache of the logical unit to the initiator.
Writes Exclusive: Any task from any initiator other than the initiator holding the
persistent reservation that requests a transfer from the initiator to the storage medium
or cache of the logical unit shall result in a reservation conflict.
Reads Exclusive: A task that requests a transfer from the storage medium or cache
of the logical unit to an initiator that has not previously requested a REGISTER
service action with the drive shall result in a reservation conflict.
Write Exclusive: Any task from any initiator other than the initiator holding the
persistent reservation that requests a transfer from the initiator to the storage medium
or cache of the logical unit shall result in a reservation conflict.
6.Command Specification
Description
6-47