HACMP/ES 5.1 on AIX 5.3

I have been tasked with investigating the requirements of upgrading 2
servers running AIX 5.1 to AIX 5.3. The 2 servers are in a 2 node rotating
HACMP/ES 5.1 cluster. Can I update the OS software without updating the
HACMP software. Is HACMP/ES 5.1 compatible with AIX 5.3?

Regards,


Billy Tyrer
GIS Solutions Architect
Computer Sciences Limited (CSC)
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