System information

Managing Storage Paths and
Multipathing Plugins B
Use the vSphere CLI to manage the Pluggable Storage Architecture (PSA) multipathing plugins and storage
paths assigned to them.
You can use the vSphere CLI to display all multipathing plugins available on your host. You can list any third-
party MPPs, as well as your host's NMP and SATPs and review the paths they claim. You can also define new
paths and specify which multipathing plugin should claim the paths.
For more information about additional commands available to manage PSA, see the vSphere Command-Line
Interface Installation and Reference Guide.
This appendix includes the following topics:
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“List Claim Rules for the Host,” on page 79
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“Display Multipathing Modules,” on page 80
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“Display SATPs for the Host,” on page 81
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“Display NMP Storage Devices,” on page 81
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“Add PSA Claim Rules,” on page 82
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“Delete PSA Claim Rules,” on page 83
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“Mask Paths,” on page 83
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“Unmask Paths,” on page 84
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“Define NMP SATP Rules,” on page 84
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“esxcli corestorage Command-Line Options,” on page 86
List Claim Rules for the Host
Use the vSphere CLI to list all claim rules from 0 to 65535.
Claim rules indicate which multipathing plugin, the NMP or any third-party MPP, manages a given physical
path. Each claim rule identifies a set of paths based on the following parameters:
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Vendor/model strings
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Transportation, such as SATA, IDE, Fibre Channel, and so on
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Adapter, target, or LUN location
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Device driver, for example, Mega-RAID
VMware, Inc.
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