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Virtual disks cannot be generated through earlier UltarPath edition in AIX6.1

Publication Date:  2012-09-20 Views:  61 Downloads:  0
Issue Description
A certain site, an IBM machine is connected to a S5500 disk array, UltraPath-41.01.15T01.AIX6.1 installed on AIX6.1, when LUN mapped and scanning LUN in AIX6.1, check the disk device, the LUN is scanned but no virtual disk 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 on host, reboot P550 midrange computer.
     # installp -u UltraPath-41.01.15T01.AIX6.1
     # shutdown -Fr
2. Install new edition UltarPath, reboot P550.
     # installp -acd UltraPath-41.01.17T01.AIX6.1.ppc_64.bff
     # shutdown -Fr
3. check if virtual disk updisk0 generated in disk device with lsdev command
     # 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
Earlier UltraPath editon do not support AIX6.1
Suggestions
None

END