HP StorageWorks 8B - FC Entry Switch Manual del usuario - Página 10

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HP StorageWorks 8B - FC Entry Switch Manual del usuario
1
Introducing Advanced Performance Monitoring
If you have a fabric with HP Brocade 2400/2800, FC 6164, FC Entry Switch 8B, FC Switch 8B, or
FC 16B switches, you can take advantage of the end-to-end performance monitoring features by
installing an FC Entry Switch 8B, FC Switch 8B, or FC 16B switch anywhere in the route path
between the Source ID and the Destination ID.
You can administer performance monitoring through either telnet commands or Web Tools. If you
use Web Tools, a Web Tools license must also be installed on the switch.

Terminology Used in this Document

AL_PA
SID
DID
CRC

Performance Monitoring with Telnet Commands

Telnet commands provide three different types of performance monitoring:
•

AL_PA monitoring

•

End-to-end monitoring

•
Filter-based monitoring
Refer to
use the telnet commands to monitor performance.
AL_PA Monitoring
AL_PA monitoring provides information regarding the number of CRC errors occurring in Fibre
Channel frames in a loop configuration. AL_PA monitoring collects CRC error counts for each
AL_PA attached to a specific port.
End-to-end Monitoring
End-to-end monitoring provides information regarding transaction performance between the
transaction source (SID) and destination (DID) on a fabric or a loop. Up to eight SID-DID pairs per
port can be specified. For each of the SID-DID pairs, the following information is available:
•
CRC error count on the frames for the SID-DID pair
•
Fibre channel words that have been transmitted through the port for the SID-DID pair
1-2
Arbitrated Loop Physical Address. An 8-bit value used to uniquely identify an
individual port within a loop. A loop may have one or multiple AL_PAs.
3-byte Source ID of the originator device, in the "0xDomainAreaALPA"
(0xDDAAPP) format.
3-byte Destination ID of the destination device, in the "0xDomainAreaALPA"
(0xDDAAPP) format.
Cyclic redundancy check; an error detection method. The CRC is 32 bits in the
frame, after the data field, and before the EOF (end of frame).
Chapter 3, Using Advanced Performance
Monitoring, for detailed information on how to
Advanced Performance Monitoring User's Guide