The number of I/Os (reads or writes) of the port added to Export Tool 2 depends on the P-VOL or S-VOL (I/O destination), or on the I/O mode of the destination volume, as shown in the following table.
I/O destination volume I/O mode |
I/O destination volume |
Primary storage system |
Secondary storage system |
||||
|---|---|---|---|---|---|---|---|
Target |
Initiator |
RCU Target |
Target |
Initiator |
RCU Target |
||
Mirror (RL) |
P-VOL |
Total writes and reads |
Number of writes |
Not added |
Not added |
Not added |
Number of writes |
S-VOL |
Not added |
Not added |
Number of writes |
Total writes and reads |
Number of writes |
Not added |
|
Local |
P-VOL |
Total writes and reads |
Not added |
Not added |
Not added |
Not added |
Not added |
S-VOL |
Not added |
Not added |
Not added |
Total writes and reads |
Not added |
Not added |
|
Block |
P-VOL |
Total writes and reads* |
Not added |
Not added |
Not added |
Not added |
Not added |
S-VOL |
Not added |
Not added |
Not added |
Total writes and reads* |
Not added |
Not added |
|
* Reads and writes by a server are illegal requests and cause an error. However, they might be counted as I/Os. |
|||||||