When splitting the pair using the pairsplit command, you can specify settings for read/write access control for the P-VOL and S-VOL in consistency groups after pair split.
These settings are specified using CCI.
- The CCI settings for TC are optional.
The following tables show the effects of the settings on read and write access.
|
Interface |
Setting |
TC P-VOL |
TCz P-VOL |
||
|---|---|---|---|---|---|
|
Read |
Write |
Read |
Write |
||
|
CCI (pairsplit command) |
Write access prohibited (-p option) |
Y |
N |
Y |
N |
|
No option selected |
Y |
Y |
Y |
Y |
|
|
Interface |
Setting |
TC S-VOL |
TCz S-VOL |
||
|---|---|---|---|---|---|
|
Read |
Write |
Read |
Write |
||
|
CCI (pairsplit command) |
Read access permitted (-r option) |
Y |
N |
N |
N |
|
Read/Write access permitted (-rw option) |
Y |
Y |
Y |
Y |
|
|
No option selected |
Y |
N |
N |
N |
|