HP StorageWorks 8/80 HP StorageWorks Fabric OS 6.2 administrator guide (5697-0 - Page 416

The following example adds filter-based monitors to slot 1, port 2 and displays the results: switch:admin> perfaddreadmonitor 1/2 SCSI Read filter monitor #0 added switch:admin> perfaddwritemonitor 1/2 SCSI Write filter monitor #1 added switch:admin> perfaddrwmonitor 1/2 SCSI Read/Write filter monitor #2 added switch:admin> perfaddscsimonitor 1/2 SCSI traffic frame monitor #3 added switch:admin> perfaddipmonitor 1/2 IP traffic frame monitor #4 added switch:admin> perfmonitorshow --class FLT 1/2 There are 5 filter-based monitors defined on port 2. KEY ALIAS OWNER_APP FRAME_COUNT OWNER_IP_ADDR 0 SCSI Read TELNET 0x0000000000000000 N/A 1 SCSI Write TELNET 0x0000000000000000 N/A 2 SCSI R/W TELNET 0x0000000000000000 N/A 3 SCSI Frame TELNET 0x0000000000000000 N/A 4 IP Frame TELNET 0x0000000000000000 N/A Custom filter-based monitors In addition to the standard filters-read, write, read/write, SCSI frame and IP frame-you can create custom filters to gather statistics that fit your needs. To define a custom filter, you must specify a series of offsets, masks, and values. For all transmitted frames, the switch performs these tasks: • Locates the byte found in the frame at the specified offset • Applies the mask to the byte found in the frame • Compares the value with the given values in the perfAddUserMonitor command • Increments the filter counter if a match is found To illustrate, if you were to enter: perfaddusermonitor 30 "4, 0xff, 0x06; 6, 0xff, 0x02; 7, 0xff, 0xd4" the operation would be successful because offset 4 is a canned monitor and has a resource already reserved for it. Offsets 6 and 7 would exhaust all unique filter monitor resources on port 30. Therefore, any additional filter monitors created on port 30 would have to be canned filter monitors. The number of different offsets per port depends on the switch platform, as follows: • HP StorageWorks SAN Switch 4/32, HP StorageWorks 4/64 SAN Switch, HP StorageWorks SAN Switch 4/32B, HP StorageWorks 8/40 SAN Switch, HP StorageWorks 8/80 SAN Switch, HP StorageWorks 400 Multi-Protocol Router, HP StorageWorks 4/256 SAN Director, HP StorageWorks DC SAN Backbone Director, and HP StorageWorks DC04 SAN Director Switch platforms Up to 15 different offsets per port (14 offsets when FICON Management Server mode, or fmsmode, is enabled). • HP StorageWorks 4/8 and 4/16 SAN Switches, HP StorageWorks 8/8 and 8/24 SAN Switches, and Brocade 4Gb SAN Switch for HP p-Class BladeSystem platforms Up to 7 different offsets per port (6 offsets when fmsmode is enabled). You can specify up to four values to compare against each offset. If more than one offset is required to properly define a filter, the bytes found at each offset must match one of the given values for the filter to increment its counter. If one or more of the given offsets does not match any of the given values, the counter does not increment. The value of the offset must be between 0 and 63, in decimal format. Byte 0 indicates the first byte of the Start of Frame (SOF), byte 4 is the first byte of the frame header, and byte 28 is the first byte of the payload. Thus, only the SOF, frame header, and first 36 bytes of payload can be selected as 412 Administering advanced performance monitoring