HP StorageWorks 8/80 HP StorageWorks Fabric OS 6.2 administrator guide (5697-0 - Page 411
End-to-end monitors, Adding end-to-end monitors
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You can monitor end-to-end performance using the perfMonitorShow command, as described in "Displaying monitor counters" on page 418. You can clear end-to-end counters using the perfMonitorClear command, as described in "Clearing monitor counters" on page 420. End-to-end monitors The maximum number of end-to-end monitors supported varies depending on the switch model: • The following products allow up to 256 end-to-end monitors shared by all ports in the same ASIC chop: • HP StorageWorks SAN Switch 4/32 • HP StorageWorks 4/64 SAN Switch • HP StorageWorks SAN Switch 4/32B • HP StorageWorks 400 Multi-Protocol Router • HP StorageWorks 4/256 SAN • The following models allow up to 1024 end-to-end monitors shared by all ports in the same ASIC chip: • HP StorageWorks DC SAN Backbone Director • HP StorageWorks DC04 SAN Director Switch • HP StorageWorks 8/40 SAN Switch • The following switches allow up to 768 end-to-end monitors shared by all ports in the same ASIC chip: • HP StorageWorks 8/8 SAN Switch • HP StorageWorks 8/24 SAN Switche • HP StorageWorks 8/80 SAN Switch • The HP StorageWorks 4/8 and 4/16 SAN Switches allow up to 96 end-to-end monitors. The number of interswitch links configured on the switch affects the amount of resources available for end-to-end monitors. Virtual Fabrics considerations: If Virtual Fabrics is enabled, the following switches allow up to 337 end-to-end monitors on one Logical Switch: • HP StorageWorks DC SAN Backbone Director • HP StorageWorks DC04 SAN Director Switch • HP StorageWorks 8/40 SAN Switch The HP StorageWorks 4/48 SAN Director Blade allows end-to-end monitors on all 48 ports. For the HP StorageWorks B-Series iSCSI Director Blade, end-to-end monitors are supported on the FC ports (ports 0 through 7), but not on the GbE ports. You cannot add end-to-end monitors to interswitch links. Identical end-to-end monitors cannot be added to the same port. Two end-to-end monitors are considered identical if they have the same SID and DID values after applying the end-to-end mask. The monitor count is qualified using either of the following conditions: • For frames received at the port with the end-to-end monitor installed, the frame SID is the same as SourceID and the frame DID is the same as DestID. The RX_COUNT updated accordingly. • For frames transmitted from the port with the end-to-end monitor installed, the frame DID is the same as SourceID and the frame SID is the same as DestID. The TX_COUNT updated accordingly. NOTE: The relationship between the area ID for a port and the port number depends on the PID format used by the fabric. See Appendix A, "Configuring the PID format" on page 523 for more information. Adding end-to-end monitors 1. Connect to the switch and log in as admin. 2. Enter the following command: perfaddeemonitor [slotnumber/]portnumber sourceID destID Fabric OS 6.2 administrator guide 407