HP XP7 Storage - Manual (Page 53)

Table 24 ANTRQST macro command parameters (REQUEST=FCESTABLISH) (continued)
Description Value Parameter
All the data in the copy range of the volume specified as the source by
SDEVN is copied in the background to the volume specified as the target COPY MODE
by TDEVN. The relationship ends automatically, and the Compatible
FlashCopy relationship is deleted when all the data is copied.
COPY is the default setting.
Data is not copied in the background. The relationship does not end
automatically even when all the data is copied. To withdraw the NOCOPY
relationship, use the FCWITHDR command. In the following data access
occurs, the data subject to read/write processing is copied from the
source to the target before Compatible FlashCopy read/write processing
starts.
•
When there is access to write data on the copy source of the specified
area (within the extent),
•
When there is access to write data on the copy target of the specified
area (within the extent), or,
•
When there is access to read data on the copy target of the specified
area (within the extent).
The relationship made by NOCOPY mode is copied in the background.
When all the data are copied, the relationship is released automatically. NO2CPY
The path group is not checked. The relationship is established even when
the copy target is online. YES ONLINTGT
The path group is checked. The relationship is not established when the
copy target is online. NO
NO is the default setting.
Suspends the write operations from the host to S-VOLs. To resume the
write operation, you need to issue the FCWITHDRAW command with FREEZE ACTION
the ACTION parameter. However, if a timeout occurs, the write operation
may be resumed although you do not issue the FCWITHDRAW command.
The default setting of timeout is 120 seconds (2 minutes), but you may
change it.
For detailed information about changing the timeout period, see the
Compatible FlashCopy Window.
Specify the S-VOL and the T-VOL of the relationship into reverse. FRR
• If you specify YES for INCREMENTAL, only the updated part of the
S-VOL or the T-VOL of the established relationship will be copied.
•
If you specify NO for INCREMENTAL or specify nothing, only the
copied part from the S-VOL to the T-VOL of the established relationship
will be copied.
Specifies the device number (device address) of the T-VOL on which you
want to perform the FCESTABLISH command. To specify this number, use
the TDEVN parameter. YES is the default setting. YES TGTUCB
Specifies the serial number, the CU number, and the LDEV number of the
T-VOL on which you want to perform the FCESTABLISH command. To NO
specify this number, use the TGTSERIAL, TGTLSS, TGTDVC parameters
instead of TDEVN.
Establishes the relationship without using the Preserve Mirror FlashCopy
function. If PRESMIR is not specified, NO is set by default. NO PRESMIR
Establishes the relationship using the Preserve Mirror FlashCopy function.
If the relationship cannot be established, the system rejects the command.
TGTPPRIM=YES must be specified at the same time. REQ
Establishing relationships for Compatible FlashCopy 53