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5-50 Performance Monitor Operations
Hitachi Universal Storage Platform V/VM Hitachi Performance Manager User’s Guide
• WWN: Indicates WWNs of host bus adapters.
• SPM Name: Indicates SPM names of host bus adapters. Server Priority
Manager allows you assign an SPM name to each host bus adapter so that
you can easily identify each host bus adapters in the Server Priority
Manager windows.
• Port: Indicates ports on the storage system.
• Current: Indicates the current transfer rate.
• Ave.: Indicates the average transfer rate for the specified period.
• Max.: Indicates the maximum transfer rate for the specified period.
• Response Time: This column indicates the time for replying from the host
bus adapter, SPM group, or port when I/O accesses are made from the
host to them. The unit is milliseconds. The average response time in the
period specified at Monitoring Term is displayed.
This column displays a hyphen (-) if the I/O rate is 0 (zero).
• Attribute: Indicates the priority of each host bus adapter (HBA). Prio.
indicates a high-priority HBA (a prioritized WWN). Non-Prio. indicates a
low-priority HBA (a non-prioritized WWN).