Port ID

Port connected to the external storage system for the local storage system.

External WWN

External system port identification number.

QDepth

Number of Read/Write commands that can be queued to the external volume.

When Load Balance Mode is Extended Round-robin and the I/Os issued to the external volume are sequential, the number of Read/Write commands that can be queued at one time is the total of the QDepth values of all the external paths.

I/O Timeout (sec.)

Number of seconds that should pass before I/O to the external volume times out.

Path Blockade Watch(sec.)

Time that will elapse from the time that a path goes down to the time when the external volume is blocked.