Setting customized names for DMP nodes
The DMP node name is the meta device name which represents the multiple paths to a disk. The DMP node name is generated from the device name according to the VxVM naming scheme.
See Disk device naming in VxVM.
You can specify a customized name for a DMP node. User-specified names are persistent even if names persistence is turned off.
To specify a custom name for a DMP node
You can also assign names from an input file. This enables you to customize the DMP nodes on the system with meaningful names.
To assign DMP nodes from a file
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Use the script vxgetdmpnames to get a sample file populated from the devices in your configuration. The sample file shows the format required and serves as a template to specify your customized names.
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To assign the names, use the following command:
# vxddladm assign names file=pathname
To clear custom names
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To clear the names, and use the default OSN or EBN names, use the following command:
# vxddladm -c assign names