vsphere-esxi-vcenter-server-55-storage-guide

Chapter 23 Understanding Multipathing and FailoverDelete Multipathing Claim RulesUse the esxcli commands to remove a multipathing PSA claim rule from the set of claim rules on thesystem.In the procedure, --server=server_name specifies the target server. The specified target server prompts youfor a user name and password. Other connection options, such as a configuration file or session file, aresupported. For a list of connection options, see Getting Started with vSphere Command-Line Interfaces.PrerequisitesInstall vCLI or deploy the vSphere Management Assistant (vMA) virtual machine. See Getting Started withvSphere Command-Line Interfaces. For troubleshooting, run esxcli commands in the ESXi Shell.Procedure1 Delete a claim rule from the set of claim rules.esxcli --server=server_name storage core claimrule removeNOTE By default, the PSA claim rule 101 masks Dell array pseudo devices. Do not delete this rule,unless you want to unmask these devices.The command takes the following options:Option-c|--claimrule-class=-P|--plugin=-r|--rule=DescriptionIndicate the claim rule class to use in this operation (MP, Filter, VAAI).Indicate the plugin to use for this operation.Indicate the rule ID to use for this operation.This step removes the claim rule from the File class.2 Remove the claim rule from the system.Mask Pathsesxcli --server=server_name storage core claimrule loadThis step removes the claim rule from the Runtime class.You can prevent the host from accessing storage devices or LUNs or from using individual paths to a LUN.Use the esxcli commands to mask the paths. When you mask paths, you create claim rules that assign theMASK_PATH plug-in to the specified paths.In the procedure, --server=server_name specifies the target server. The specified target server prompts youfor a user name and password. Other connection options, such as a configuration file or session file, aresupported. For a list of connection options, see Getting Started with vSphere Command-Line Interfaces.PrerequisitesInstall vCLI or deploy the vSphere Management Assistant (vMA) virtual machine. See Getting Started withvSphere Command-Line Interfaces. For troubleshooting, run esxcli commands in the ESXi Shell.Procedure1 Check what the next available rule ID is.esxcli --server=server_name storage core claimrule listThe claim rules that you use to mask paths should have rule IDs in the range of 101 – 200. If thiscommand shows that rule 101 and 102 already exist, you can specify 103 for the rule to add.VMware, Inc. 231