Chapter 10.1.6. Host VDisk mapping
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172 SAN Volume Controller: Best Practices and Performance Guidelines Occasionally, a very powerful host can benefit from spreading its VDisks across I/ O Groups for load balancing. Our recommendation is to start with a single I/ O Group and use the performance monitoring tools, such as TotalStorage Productivity Center ( TPC), to determine if the host is I/ O Group- limited. If additional I/ O Groups are needed for the bandwidth, it is possible to use more host ports to allocate to the other I/ O Group. For example, start with two HBAs zoned to one I/ O Group. To add bandwidth, add two more HBAs and zone to the other I/ O Group. The host object in the SVC will contain both sets of HBAs. The load can be ...
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