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Early Version UltraPath Installed on AIX6.1 Causes the Failure in Generating Virtual Disks

Publication Date:  2012-07-17 Views:  287 Downloads:  0
Issue Description
At an office, the S5000 disk arrays were connected to one IBM small machine, UltraPath-41.01.15T01.AIX6.1 software was installed in the AIX6.1 operating system. After LUN mappings were complete, LUNs were scanned in the AIX6.1 operating system and disks were queried. The LUNs mapped from the S5000 can be identified, but virtual disks were not generated.
# lsdev -Cc disk
hdisk0     Available 09-08-00 SAS Disk Drive
hdisk1     Available 09-08-00 SAS Disk Drive
hdisk2     Available 00-00-02 Huawei S5500 FC Disk Drive
hdisk3     Available 00-00-02 Huawei S5500 FC Disk Drive
hdisk4     Available 00-00-02 Huawei S5500 FC Disk Drive
hdisk5     Available 00-00-02 Huawei S5500 FC Disk Drive
Alarm Information
None
Handling Process
1. Uninstall UltraPath and restart the P550 small machine.
# installp -u UltraPath-41.01.15T01.AIX6.1
# shutdown -Fr
2. Install UltraPath of the new version and restart the P550 small machine.
# installp -acd UltraPath-41.01.17T01.AIX6.1.ppc_64.bff
# shutdown -Fr
3. Run the lsdev command to view disks and check whether virtual disk updisk0 is generated.
# lsdev -Cc disk
hdisk0     Available 09-08-00 SAS Disk Drive
hdisk1     Available 09-08-00 SAS Disk Drive
updisk0    Available 00-00-02 Huawei S5500 FC Disk Drive
updisk1    Available 00-00-02 Huawei S5500 FC Disk Drive
Root Cause
The multi-path software of the early version does not support the AIX6.1 operating system.
Suggestions
None

END

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