HP StorageWorks MSA 2/8 HP StorageWorks Advanced Performance Monitoring V3.1.x - Page 48
Displaying Filter-Based Monitors
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Using Advanced Performance Monitoring The hardware can manage only a limited number of unique offsets and values. If the switch does not have enough resources to create a given filter, then other filters may have to be deleted to free up resources. Example 1. This command adds a filter-based monitor to count all FCP and IP frames received from domain 0x02 for port 2. sw1:admin> perfAddUserMonitor 2, "12, 0xff, 0x05, 0x08; 9, 0xff, 0x02" "FCP/IP" User monitor #5 added The FCP and IP protocols are selected by monitoring offset 12, mask 0xff, and matching values of 0x05 or 0x08. Domain 2 is selected by monitoring offset 9, mask 0xff, and matching a value of 0x02. The monitor counter is incremented for all incoming frames where byte 9 is 0x02 and byte 12 is 0x05 or 0x08. Example 2. The following command adds a special case filter-based monitor for SOFi3 on slot 1, port 2. sw1:admin> perfAddUserMonitor 2, "0, 0xff, 6" User Monitor #6 added Displaying Filter-Based Monitors Use the perfShowFilterMonitor command to display all of the filter-based monitors on a specified port. You can display a cumulative count of the traffic detected by the monitors, or you can display a snapshot of the traffic at specified intervals. Note: Intervals must be specified in multiples of 5 seconds, for example, 5, 10, 15, 20, 25, etc., because registers are scanned every 5 seconds. 48 Advanced Performance Monitoring Version 3.1.x/4.1.x User Guide