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Environment: DELL EMC SW: PowerPath for Solaris release 6.0 P03 hotfix 1. DELL EMC SW: PowerPath for Solaris release 6.0 P03. DELL EMC SW: PowerPath for Solaris release 6.0 P04. DELL EMC SW: SRDF Metro DELL EMC HW: VMAX3 Although "Proximity" is enabled in "powermt display options", PowerPath is not reporting the remote array as "asb:prox" and all the paths are showing "active:alive" # powermt display options Show CLARiiON LUN names: true Path Latency Monitor: Off Performance Monitor: disabled Autostandby: Proximity (prox): enabled .... (S/N and FA port WWN have been changed to preserve the customer's confidentiality) # powermt display dev=0Pseudo name=emcpower0a Symmetrix ID=000XXXXXXXXX <== only 1 S/N is showing up Logical device ID=0038 Device WWN=60000XXXXXXXXXXXXXXXXXXXXXXXXXXX state=alive; policy=SymmOpt; queued-IOs=0 ============================================================================== --------------- Host --------------- - Stor - -- I/O Path -- -- Stats --- ### HW Path I/O Paths Interf. Mode State Q-IOs Errors ============================================================================== 3086 pci@600/pci@1/pci@0/pci@4/pci@0/pci@3/SUNW,emlxs@0/fp@0,0 c14t50000975a8134804d0s0 FA 1d:04 active alive 0 0 3086 pci@600/pci@1/pci@0/pci@4/pci@0/pci@3/SUNW,emlxs@0/fp@0,0 c14t50000975a8134c1fd0s0 FA 1d:31 active alive 0 0 <<< path to the remote array 297801235 is active instead of asb:prox 3087 pci@600/pci@1/pci@0/pci@4/pci@0/pci@3/SUNW,emlxs@0,1/fp@0,0 c15t50000975a8134884d0s0 FA 3d:04 active alive 0 0 3087 pci@600/pci@1/pci@0/pci@4/pci@0/pci@3/SUNW,emlxs@0,1/fp@0,0 c15t50000975a8134c9fd0s0 FA 3d:31 active alive 0 0 <<< path to the remote array 297801235 is active instead of asb:prox
PowerPath on Solaris is not able to automatically detect sub-optimal paths to set as standby (Proximity with autostandby). After enabling autostandby and proximity, all paths (including sub-optimal) are still reported as "Active" instead of "asb:prox" in powermt commands. This is working as designed. asb:prox on Solaris is available only for VPLEX geo cluster , but not for SRDF metro: This feature was made available after the latest (and final) release of PowerPath for Solaris was developed. As a consequence, it is normal to see all the devices "active" instead of "asb:prox"
PowerPath for Solaris works as designed in an SRDF metro environment. If needed, the paths to the remote array can be set to standby with a manual command such as: powermt set mode=standby dev=c14t50000975a8134c1f powermt set mode=standby dev=c30t50000975a8134c9f In a Solaris environment, "proximity", even when enabled, is only taken into account for VPLEX, but not for VMAX SRDF metro. Since developments by Oracle have been stopped on Solaris, so were stopped the developments of new features for PowerPath on Solaris.
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