HP P9000 for Compatible FlashCopy Mirroring User Guide (AV400-96388, October 2011)

Table 30 Parameters available with FLASHCOPY command
DescriptionValueParameter
Specifies the device number of the copy source (device address or
mini disk number).
Primary device numbervdev1
Specifies the starting cylinder of the copy source. Specify 0 if the
entire volume is the target.
Starting cylinder of
source
scyl1
Specifies the ending cylinder of the copy source. END can be
specified if the entire volume is the target.
Ending cylinder of
source
ecyl1
Specifies the device number of the copy destination (device address
or mini disk number).
Secondary device
number
vdev2
Specifies the starting cylinder of the copy destination. Specify 0 if
the entire volume is the target.
Starting cylinder of
target
scyl2
Specifies the ending cylinder of the copy destination. END can be
specified if the entire volume is the target.
Ending cylinder of
target
ecyl2
An usage example of the FLASHCOPY command is shown below. This example copies cylinders
0 to 99 from device 10 to device 20 in copy mode. The relationship is cancelled after the completion
of copy.
Example 17 FLASHCOPY command
FLASHCOPY 10 0 END 20 0 END
Command complete: FLASHCOPY 0010 0 99 TO 0020 0 99
Establishing relationships by using z/VM FLASHCOPY ESTABLISH command
The FLASHCOPY ESTABLISH command does not cancel the relationship even after the completion
of the copy. The following table shows the parameters are available when establishing relationships
by using the FLASHCOPY ESTABLISH command.
Table 31 Parameters available with FLASHCOPY ESTABLISH command
DescriptionValueParameter
Specifies the device number (device address or mini disk number),
the starting cylinder, and the ending cylinder of the copy source.
Primary device number,
Starting cylinder of
SOURCE
source, Ending cylinder
of source
Specifies the device number (device address or mini disk number),
the starting cylinder, and the ending cylinder of the copy destination.
Secondary device
number, Starting
TARGET
cylinder of target,
Ending cylinder of
target
Establishes a relationship whose target is the entire volume. If the
P-VOL and the S-VOL are updated, the updated part is managed as
differential data.
-CHGRECORD
Write to the S-VOL is not allowed until the command for cancelling
write-protect is executed.
-NOTGTWRITE
Establishes a relationship whose target is the entire volume. If the
P-VOL and the S-VOL are updated, the updated part is managed as
-REVERSIBLE
differential data, and write to the S-VOL is not allowed until the
command for cancelling write-protect is executed.
Does not perform the background copy when establishing the
relationship.
-NOCOPY
For details about the values, see the IBM manual.
58 Performing Compatible FlashCopy operations