NEC Storage Manager - Page 127

Chapter 3 Operation Settings
122
•
••
• RV use start time
Determine when to make the RV available after Separate execution.
RVUSE=IMMEDIATE
 After Separate execution, the RV is immediately available while the difference between
the MV and RV contents is being reflected into the RV.
RVUSE=COMPLETE
 After Separate execution, the RV becomes available when the difference between the MV
and RV contents has been reflected into the RV.
 The default is COMPLETE.
[RESTORE] section
Specifies operation performed when the iSMrc_restore or iSMsql_snapshotrst
command is executed.
•
••
• RV operation mode
Specify an operation mode for RV when Restore is executed.
MODE=UPDATE
 Restoration is performed while the updated data of the MV is being reflected into the RV.
 The default is UPDATE.
MODE=PROTECT
 Restoration is performed without the updated data of the MV being reflected into the RV.
The updated data is managed as difference.
[IOCONTROL] section
Specifies operations regarding various replication operations I/O issue controls to the disk array.
•
••
• I/O issue path
Specify the replication operation I/O issue path to the disk array.
IOPATH=DIRECT
 Directly issues the replication operation I/O to the disk array.
 This is the default value when the IOPATH parameter is not specified.
IOPATH=MANAGER
 Connects to the NEC Storage Manager (replication management) currently in operation on
the same server and allows the NEC Storage Manager issue the replication operation I/O
to the disk array.
•
••
• Connection port number
Specify a socket port number for connecting to the NEC Storage Manager (replication
management).
IOPORT_MANAGER=socket port number
 This setting is valid when MANAGER is specified as IOPATH.