Term
| Name the 3 path selection policies available |
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Definition
| Most Recently Used, Fixed, Round Robin |
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Term
| Describe the Fixed Path Selection policy |
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Definition
* The host will use the designated path if configured, otherwise it will select the first available working path.
* If the path becomes unavailable, the host will select an alternate path
* When the preferred path comes back online, the host will revert to that path (preferred path must be set or the path will stay on the alternate) |
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Term
| Describe the Round Robin Path Selection Policy |
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Definition
* Uses an automatic path selection algorithm rotating through all active paths when connecting to an active/passive array and all paths when connected to an active/active array
* Provides more load balancing across paths |
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Term
| Describe the Most Recently Used Path Selection Policy |
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Definition
* The host will select the path that it most recently used
* If the mru path becomes unavailable, host will select an alternate path
* When the initial path comes back online, nothing will happen - it will continue to use the alternate path |
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Term
| What is the default PSP for most active/passive arrays |
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Definition
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Term
| What is the default policy for most active/active arrays |
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Definition
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Term
| Is Round Robin ever a default policy? |
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Definition
| Yes, for a vairety of arrays |
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