
Connecting Violin Memory Arrays to IBM AIX and PowerVM
8 www.vmem.com
3.4 SAN Configuration and Zoning
The following best practices are recommended:
• Set the SAN topology to Point-to-Point
• Set the port speed of the Switch port to 8 GB for Violin Targets
• On Brocade 8 GB Switches, please set the fillword setting to 3 for ports connected to Violin Targets.
# portcfgfillword <port> 3
3.4.1 Zoning Best Practices
• Configure WWPN based zoning or WWPN based Aliases
• Limit HBA ports (Initiators) in a zone to one. For instance, there should not be multiple Initiators in a single
zone
• Each HBA port (initiator) can be zoned to multiple Targets ( Violin WWPN Ports)
• Limit the number of paths as seen by the host to an allowable number. For example if you have 2 HBA ports
out of your server, zone each HBA port to 2 unique target ports on each gateway. I.e. avoid putting all target
ports into one zone.
• The ideal number of paths to a MPIO node is 2 or 4 paths. Adding more paths adds more resilience, but
does not yield better performance.
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