The following table explains pair operations according to the pair status. The status of pair B is SMPL.
Pair type | Pair A status | Operation for pair B | ||||||
---|---|---|---|---|---|---|---|---|
Pair with snapshot attribute | Pair with clone attribute | Snapshot / clone attribute common | ||||||
Create | Split | Resync | Restore | Create | Split | Delete | ||
With the snapshot attribute | COPY(PD) | N | N | N | N | N | N | YN |
PAIR | Y | N | N | N | Y | N | YN | |
PSUS | Y | N | N | N | Y | N | YN | |
COPY(RS) | N | N | N | N | N | N | YN | |
COPY(RS-R) | N | N | N | N | N | N | YN | |
PSUE | N | N | N | N | N | N | YN | |
SMPL(PD) | N | N | N | N | N | N | YN | |
With the clone attribute | COPY(PD) | N | N | N | N | N | N | YN |
PAIR | Y | N | N | N | Y | N | YN | |
PSUS(SP) | Y | N | N | N | Y | N | YN | |
PSUE | N | N | N | N | N | N | YN | |
SMPL(PD) | N | N | N | N | N | N | YN | |
Y: Operation successful. YN: Operation not performed, process terminated. N: Process terminated abnormally. |
The following table explains operations of cascaded pair B when pair B has the snapshot attribute, and its pair status is COPY(PD).
Pair Type | Pair A status | Operation for pair B | ||||||
---|---|---|---|---|---|---|---|---|
Pair with snapshot attribute | Pair with clone attribute | Snapshot / clone attribute common | ||||||
Create | Split | Resync | Restore | Create | Split | Delete | ||
With the snapshot attribute | COPY(PD) | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
PAIR | YN | N | YN | YN | N | N | N | |
PSUS | YN | N | YN | YN | N | N | N | |
COPY(RS) | YN | N | YN | YN | N | N | N | |
COPY(RS-R) | YN | N | YN | YN | N | N | N | |
PSUE | YN | N | YN | YN | N | N | N | |
SMPL(PD) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
With the clone attribute | COPY(PD) | YN | N | YN | YN | N | N | N |
PAIR | YN | N | YN | YN | N | N | N | |
PSUS(SP) | YN | N | YN | YN | N | N | N | |
PSUE | YN | N | YN | YN | N | N | N | |
SMPL(PD) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
Y: Operation successful. YN: Operation not performed, process terminated. N: Process terminated abnormally. |
The following table explains operations of cascaded pair A when pair B has the snapshot attribute, and its pair status is COPY(PD).
Pair Type | Pair A status | Operation for pair A | ||||||
---|---|---|---|---|---|---|---|---|
Pair with snapshot attribute | Pair with clone attribute | Snapshot / clone attribute common | ||||||
Create | Split | Resync | Restore | Create | Split | Delete | ||
With the snapshot attribute | COPY(PD) | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
PAIR | N | Y | YN | YN | N | N | N | |
PSUS | N | YN | Y | Y | N | N | N | |
COPY(RS) | YN | N | YN | YN | N | N | N | |
COPY(RS-R) | YN | N | YN | YN | N | N | N | |
PSUE | YN | N | YN | YN | N | N | N | |
SMPL(PD) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
With the clone attribute | COPY(PD) | N | N | N | N | N | N | N |
PAIR | N | N | N | N | N | Y | N | |
PSUS(SP) | N | N | N | N | N | YN | N | |
PSUE | N | N | N | N | N | N | N | |
SMPL(PD) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
Y: Operation successful. YN: Operation not performed, process terminated. N: Process terminated abnormally. |
The following table explains operations of cascaded pair B when pair B has the clone attribute, and its pair status is COPY(PD).
Pair Type | Pair A status | Operation for pair B | ||||||
---|---|---|---|---|---|---|---|---|
Pair with snapshot attribute | Pair with clone attribute | Snapshot / clone attribute common | ||||||
Create | Split | Resync | Restore | Create | Split | Delete | ||
With the snapshot attribute | COPY(PD) | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
PAIR | N | N | N | N | N | N | Y | |
PSUS | N | N | N | N | N | N | Y | |
COPY(RS) | N | N | N | N | N | N | Y | |
COPY(RS-R) | N | N | N | N | N | N | Y | |
PSUE | N | N | N | N | N | N | Y | |
SMPL(PD) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
With the clone attribute | COPY(PD) | N | N | N | N | N | N | Y |
PAIR | N | N | N | N | N | N | Y | |
PSUS(SP) | N | N | N | N | N | N | Y | |
PSUE | N | N | N | N | N | N | Y | |
SMPL(PD) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
Y: Operation successful. N: Process terminated abnormally. |
The following table explains operations of cascaded pair A when pair B has the clone attribute, and its pair status is COPY(PD).
Pair type | Pair A status | Operation for pair A | ||||||
---|---|---|---|---|---|---|---|---|
Pair with snapshot attribute | Pair with clone attribute | Snapshot / clone attribute common | ||||||
Create | Split | Resync | Restore | Create | Split | Delete | ||
With the snapshot attribute | COPY(PD) | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
PAIR | N | Y | YN | YN | N | N | N | |
PSUS | N | YN | Y | Y | N | N | N | |
COPY(RS) | YN | N | YN | YN | N | N | N | |
COPY(RS-R) | YN | N | YN | YN | N | N | N | |
PSUE | N | N | N | N | N | N | N | |
SMPL(PD) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
With the clone attribute | COPY(PD) | N | N | N | N | N | N | N |
PAIR | N | N | N | N | N | Y | N | |
PSUS(SP) | N | N | N | N | N | YN | N | |
PSUE | N | N | N | N | N | N | N | |
SMPL(PD) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
Y: Operation successful. YN: Operation not performed, process terminated. N: Process terminated abnormally. |
The following table explains operations of cascaded pair B when pair B has the snapshot attribute and its pair status is PAIR.
Pair type | Pair A status | Operation for pair B | ||||||
---|---|---|---|---|---|---|---|---|
Pair with snapshot attribute | Pair with clone attribute | Snapshot / clone attribute common | ||||||
Create | Split | Resync | Restore | Create | Split | Delete | ||
With the snapshot attribute | COPY(PD) | N | N | YN | YN | N | N | Y |
PAIR | N | N | YN | YN | N | N | Y | |
PSUS | N | Y | YN | YN | N | N | Y | |
COPY(RS) | N | N | YN | YN | N | N | Y | |
COPY(RS-R) | N | N | YN | YN | N | N | Y | |
PSUE | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
SMPL(PD) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
With the clone attribute | COPY(PD) | N | N | YN | YN | N | N | Y |
PAIR | N | N | YN | YN | N | N | Y | |
PSUS(SP) | N | Y | YN | YN | N | N | Y | |
PSUE | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
SMPL(PD) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
Y: Operation successful. YN: Operation not performed, process terminated. N: Process terminated abnormally. |
The following table explains operations of cascaded pair A when pair B has the snapshot attribute, and its pair status is PAIR.
Pair type | Pair A status | Operation for pair A | ||||||
---|---|---|---|---|---|---|---|---|
Pair with snapshot attribute | Pair with clone attribute | Snapshot / clone attribute common | ||||||
Create | Split | Resync | Restore | Create | Split | Delete | ||
With the snapshot attribute | COPY(PD) | YN | N | YN | YN | N | N | N |
PAIR | N | Y | YN | YN | N | N | N | |
PSUS | N | YN | Y | Y | N | N | N | |
COPY(RS) | YN | N | YN | YN | N | N | N | |
COPY(RS-R) | YN | N | YN | YN | N | N | N | |
PSUE | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
SMPL(PD) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
With the clone attribute | COPY(PD) | N | N | N | N | N | N | N |
PAIR | N | N | N | N | N | Y | N | |
PSUS(SP) | N | N | N | N | N | YN | N | |
PSUE | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
SMPL(PD) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
Y: Operation successful. YN: Operation not performed, process terminated. N: Process terminated abnormally. |
The following table explains operations of cascaded pair B when pair B has the clone attribute and its pair status is PAIR.
Pair type | Pair A status | Operation for pair B | ||||||
---|---|---|---|---|---|---|---|---|
Pair with snapshot attribute | Pair with clone attribute | Snapshot / clone attribute common | ||||||
Create | Split | Resync | Restore | Create | Split | Delete | ||
With the snapshot attribute | COPY(PD) | N | N | N | N | N | N | Y |
PAIR | N | N | N | N | N | N | Y | |
PSUS | N | N | N | N | N | Y | Y | |
COPY(RS) | N | N | N | N | N | N | Y | |
COPY(RS-R) | N | N | N | N | N | N | Y | |
PSUE | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
SMPL(PD) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
With the clone attribute | COPY(PD) | N | N | N | N | N | N | Y |
PAIR | N | N | N | N | N | Y | Y | |
PSUS(SP) | N | N | N | N | N | Y | Y | |
PSUE | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
SMPL(PD) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
Y: Operation successful. YN: Operation not performed, process terminated. N: Process terminated abnormally. |
The following table explains operations of cascaded pair A when pair B has the clone attribute, and its pair status is PAIR.
Pair type | Pair A status | Operation for pair A | ||||||
---|---|---|---|---|---|---|---|---|
Pair with snapshot attribute | Pair with clone attribute | Snapshot / clone attribute common | ||||||
Create | Split | Resync | Restore | Create | Split | Delete | ||
With the snapshot attribute | COPY(PD) | YN | N | YN | YN | N | N | N |
PAIR | N | Y | YN | YN | N | N | N | |
PSUS | N | YN | Y | Y | N | N | N | |
COPY(RS) | YN | N | YN | YN | N | N | N | |
COPY(RS-R) | YN | N | YN | YN | N | N | N | |
PSUE | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
SMPL(PD) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
With the clone attribute | COPY(PD) | N | N | N | N | N | N | N |
PAIR | N | N | N | N | N | Y | N | |
PSUS(SP) | N | N | N | N | N | YN | N | |
PSUE | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
SMPL(PD) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
Y: Operation successful. YN: Operation not performed, process terminated. N: Process terminated abnormally. |
The following table explains operations of cascaded pair B when the status of pair B is not SMPL, COPY(PD), and PAIR.
Pair type | Pair A status | Pair B status | Operation for pair B | ||||||
---|---|---|---|---|---|---|---|---|---|
Pair with snapshot attribute | Pair with clone attribute | Snapshot / clone attribute common | |||||||
Create | Split | Resync | Restore | Create | Split | Delete | |||
With the snapshot attribute | PSUS | PSUS 1 | N | YN | Y | Y | N | N | Y |
PSUS | COPY(RS) 1 | YN | N | YN | YN | N | N | N | |
PSUS | COPY(RS-R) 1 | YN | N | YN | YN | N | N | N | |
PSUS | PSUE 1 | N | N | Y | N | N | N | Y | |
PSUS | SMPL(PD) 1 | N | N | N | N | N | N | YN | |
PSUS | PSUS(SP) 2 | N | N | N | N | N | N | Y | |
With the clone attribute | PSUS(SP) | PSUS(SP) 2 | N | N | N | N | N | N | Y |
PSUS(SP) | PSUE 2 | N | N | N | N | N | N | Y | |
PSUS(SP) | SMPL(PD) 2 | N | N | N | N | N | N | YN | |
PSUS(SP) | PSUS 1 | N | YN | Y | Y | N | N | N | |
Y: Operation successful. YN: Operation not performed, process terminated. N: Process terminated abnormally. Notes
|
The following table explains operations of cascaded pair A when the status of pair B is not SMPL, COPY(PD), and PAIR.
Pair type | Pair A status | Pair B status | Operation for pair A | ||||||
---|---|---|---|---|---|---|---|---|---|
Pair with snapshot attribute | Pair with clone attribute | Snapshot / clone attribute common | |||||||
Create | Split | Resync | Restore | Create | Split | Delete | |||
With the snapshot attribute | PSUS | PSUS 1 | N | YN | N | N | N | N | N |
PSUS | COPY(RS) 1 | N | YN | N | N | N | N | N | |
PSUS | COPY(RS-R) 1 | N | YN | N | N | N | N | N | |
PSUS | PSUE 1 | N | YN | N | N | N | N | N | |
PSUS | SMPL(PD) 1 | N | YN | N | N | N | N | N | |
PSUS | PSUS(SP) 2 | N | YN | N | N | N | N | N | |
With the clone attribute | PSUS(SP) | PSUS(SP) 2 | N | N | N | N | N | YN | N |
PSUS(SP) | PSUE 2 | N | N | N | N | N | YN | N | |
PSUS(SP) | SMPL(PD) 2 | N | N | N | N | N | YN | N | |
PSUS(SP) | PSUS 1 | N | N | N | N | N | YN | N | |
Y: Operation successful. YN: Operation not performed, process terminated. N: Process terminated abnormally. Notes
|