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Difference between revisions of "VCP4"
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→Configure FC SAN Storage: Added PSP types
m (→Create and Deploy Virtual Machines: Added "Guided Consolidation") |
m (→Configure FC SAN Storage: Added PSP types) |
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* Native Multipathing Plugin (NMP) provided by default, can have sub-plugins (can be either VMware or 3rd party) | * Native Multipathing Plugin (NMP) provided by default, can have sub-plugins (can be either VMware or 3rd party) | ||
** Storage Array Type Plugin (SATP) - unique to a particular array (effectively an array driver, like a standard PC hardware driver) | ** Storage Array Type Plugin (SATP) - unique to a particular array (effectively an array driver, like a standard PC hardware driver) | ||
** Path Selection Plugin (PSP) | ** Path Selection Plugin (PSP) - default assigned by NMP based on the SATP | ||
* Multipathing Plugin (MPP) - 3rd party, can run alongside or in addition to Native Multipathing Plugin | * Multipathing Plugin (MPP) - 3rd party, can run alongside or in addition to Native Multipathing Plugin | ||
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** Depending on storage device, perform specific actions necessary to handle path failures and I/O cmd retries | ** Depending on storage device, perform specific actions necessary to handle path failures and I/O cmd retries | ||
* Support management tasks, EG abort or reset of logical devices | * Support management tasks, EG abort or reset of logical devices | ||
'''PSP types''' | |||
Default (VMware) PSP Types (3rd party PSP's can be installed)... | |||
* '''Most Recently Used''' - Good for either Active/Active or Active/Passive | |||
* '''Fixed''' - Can cause path thrashing when used with Active/Passive | |||
* '''Round Robin''' - Load balanced | |||
'''PSA Claim Rules''' | '''PSA Claim Rules''' | ||