HP StorageWorks 1606 Brocade Fabric OS Troubleshooting and Diagnostics Guide v - Page 31

Performance issues, The FCR tends to take a long time, more than 5 seconds

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2 F/s (64s) 0 0 0 0 Words 240434036 2294316 2119951 2121767 Frames 20025929 54999 162338 56710 Errors - 4 - 0 Hop In Port Domain ID (Name) Out Port BW Cost 2 14 8 (web228) E - - (output truncated) For details about the pathInfo command, see the Fabric OS Command Reference. Performance issues Symptom General slow-down in FCR performance and scalability. Probable cause and recommended action As LSAN zone databases get bigger, it takes more switch resources to process them. Use the enforce tag feature to prevent a backbone switch from accepting unwanted LSAN zone databases into its local database. Symptom Host application times out. Probable cause and recommended action The FCR tends to take a long time, more than 5 seconds, to present and setup paths for the proxy devices. Certain hosts are able to do discovery much faster as a result they end up timing out. Use the speed tag feature to always present target proxy to the host and import them faster. This helps sensitive hosts to do a quick discovery without timing out or cause an application failure. Fabric OS Troubleshoot and Diagnostics Guide 17 53-1001340-01

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Fabric OS Troubleshoot and Diagnostics Guide
17
53-1001340-01
2
F/s (64s)
0
0
0
0
Words
240434036 2294316
2119951
2121767
Frames
20025929 54999
162338
56710
Errors
-
4
-
0
Hop In Port Domain ID (Name) Out Port BW Cost
---------------------------------------------------------
2
14
8
(web228)
E - -
(output truncated)
For details about the
pathInfo
command, see the
Fabric OS Command Reference
.
Performance issues
Symptom
General slow-down in FCR performance and scalability.
Probable cause and recommended action
As LSAN zone databases get bigger, it takes more switch resources to process them. Use the
enforce tag
feature to prevent a backbone switch from accepting unwanted LSAN zone databases
into its local database.
Symptom
Host application times out.
Probable cause and recommended action
The FCR tends to take a long time, more than 5 seconds, to present and setup paths for the proxy
devices. Certain hosts are able to do discovery much faster as a result they end up timing out. Use
the
speed tag
feature to always present target proxy to the host and import them faster. This helps
sensitive hosts to do a quick discovery without timing out or cause an application failure.