The following table shows the parameters that can be used with the z/VM FLASHCOPY to establish relationships.
Parameter |
Value |
Description |
|---|---|---|
vdev1 |
Primary device number |
Specifies the virtual device number of the copy source (device address or mini disk number). |
scyl1 |
Starting cylinder of source |
Specifies the starting cylinder of the copy source. Specify 0 if the entire volume is the target. |
ecyl1 |
Ending cylinder of source |
Specifies the ending cylinder of the copy source. Specify END if the entire volume is the target. |
vdev2 |
Secondary device number |
Specifies the virtual device number of the copy destination (device address or mini disk number). |
scyl2 |
Starting cylinder of target |
Specifies the starting cylinder of the copy destination. Specify 0 if the entire volume is the target. |
ecyl2 |
Ending cylinder of target |
Specifies the ending cylinder of the copy destination. Specify END if the entire volume is the target. |
An example of the z/VM FLASHCOPY command follows. In this example, cylinders 0 to 99 from virtual device 10 are copied to virtual device 20 in COPY mode. The relationship is canceled after the copy operation completes.
FLASHCOPY 10 0 END 20 0 END Command complete: FLASHCOPY 0010 0 99 TO 0020 0 99