Abstract: HACMP support update now includes SDDPCM support and details follow below
HACMP support update: SDDPCM support
July 28, 2006
SDDPCM is a Subsystem Device Driver Path Control Module for IBM System Storage DS8000 and DS6000 in Multi-Path IO (MPIO) environments, running on an IBM System p* server. All current supported releases of IBM High Availability Cluster Multiprocessing (HACMP*) for AIX 5L* support SDDPCM, starting from SDDPCM v184.108.40.206, configured to access the shared disks with the "no_reserve" reserve policy. The shared disks must be defined as being in an Enhanced Concurrent Mode (ECM) volume group. Persistent reserve policy is not supported in an HACMP environment.
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