Cambex AIX Spécifications télécharger pdf (Page 12)

Viewing LUNs aft

er running cfgmgr

If you enter the

cfgmgr command, and can see the HBAs but not the LUNs, set the DMA size to 64 MB

by entering the following commands:

# rmdev -l scsi4

scsi4 Defined

# chdev -l scsi4 -a dma_window=64M

scsi4 changed

# mkdev -l scsi4

PerformanceonSecurePathsystems

Avoid using multiple HBAs on the third PCI bus (pci2). Using pci2 on Secure Path systems has an

adverse effect on system performance.

Logging errors and debugging problems

HP customer service representatives use the following commands to troubleshoot problems.

Command

Description

# errpt -a

# errpt -a > /tmp/

errorlog.txt

Printsafulloutputoferrorsloggedbythesystem.

HP recommends that the error log be saved in this format so it can be

used as a tool to detect software problems.

# /usr/lpp/cbxfc/

runtrace

A utility used to debug problems.

# trcstop

Stops the runtrace utility.

# trcrpt > /tmp/

trace.out

Provides the contents of the /tmp/trace.out file to an HP representative

for analysis.

You can enter the commands errpt -a and runtrace from the smit menus. These commands are

referenced in the Cambex Fibre Channel Adapter menu as Generate Error Report and Trace Cambex

FC Adapters.SeeManaging Secure Path 2.0D Service Pack 3 using smit for information about using

smit. Example:

# errpt -a

hdisk4 Available 2D-08-00-0,0 DEC HSG80 Command Console LUN

hdisk5 Available 2D-08-00-0,1 DEC HSG80 RAID Array

hdisk6 Available 2D-08-00-0,2 DEC HSG80 RAID Array

hdisk7 Available 2D-08-00-0,4 DEC HSG80 RAID Array

hdisk8 Available 2D-08-00-0,5 DEC HSG80 RAID Array

hdisk9 Available 2D-08-00-0,7 DEC HSG80 RAID Array

hdisk10 Available 2D-08-00-0,8 DEC HSG80 RAID Array

hdisk11 Available 2D-08-00-0,10 DEC HSG80 RAID Array

hdisk12 Available 2D-08-00-0,6 DEC HSG80 RAID Array

1 2 ... 7 8 9 10 11 12

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Cambex AIX Spécifications Page 12

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