Veritas Cluster Server Bundled Agents Reference Guide

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32 Storage agents Volume Manager Diskgroup (VMDg) agent Agent functions online offline monitor Imports the configured disk group. Deports the configured disk group. Verifies that the configured disk group is imported. State definitions ONLINE OFFLINE UNKNOWN Indicates the configured disk group is imported. Indicates the configured disk group is not imported. Indicates the agent could not detect the disk group. Resource type definition type VMDg ( static i18nstr ArgList[] = { DiskGroupName, ForceImport, ForceDeport, ListMountedVolumes, ListApplications, VxSVCFailAction, VxSVCRestartAttempts, DetailMonitorFreq, DGGuid, FastFailOver } static int IMF{} = { Mode=3, MonitorFreq=5, RegisterRetryLimit=3 } static i18nstr IMFRegList[] = { DiskGroupName, DGGuid } str DiskGroupName boolean ForceImport = 0 boolean ForceDeport = 0 boolean ListMountedVolumes = 0 boolean ListApplications = 0 int DetailMonitorFreq = 10 str DGGuid str VxSVCFailAction = RESTART_VXSVC int VxSVCRestartAttempts = 10 boolean FastFailOver = 0 ) Attribute definitions This section summarizes the required and optional attributes for the VMDg agent.
Storage agents Volume Manager Diskgroup (VMDg) agent 33 Table 2-5 VMDg agent required attributes Required Attribute DiskGroupName Description The name of the cluster disk group configured using Storage Foundation. The disk group name may be retrieved from the SFW console by running the command vxdg list, or by using the VMGetDrive utility. See the description of the VMGetDrive utility in the Veritas Cluster Server Administrator's Guide for instructions. Type and Dimension: string-scalar Table 2-6 VMDg agent optional attributes Optional Attributes DetailMonitorFreq Description The number of monitor cycles after which the agent monitors the resource in detail. Setting this value to 0 disables detail monitoring. Default is 10. Type and Dimension: integer-scalar DGGuid The disk group ID of the cluster disk group configured using Storage Foundation. The disk group GUID may be retrieved by running the command vxdg list, or by using the VMGetDrive utility. See the description of the VMGetDrive utility in the Veritas Cluster Server Administrator's Guide for instructions. Type and Dimension: string-scalar ForceImport Defines whether the agent forcibly imports the disk group when exactly half the disks are available. The value 1 indicates the agent imports the configured disk group when half the disks are available. The value 0 indicates it does not. Default is 0. This means that the disk group will be imported only when SFW acquires control over majority of the disks. Note: Set this attribute to 1 only after verifying the integrity of your data. If due caution is not exercised before setting this attribute to 1, you risk a split-brain condition, leading to potential data loss. Type and Dimension: boolean-scalar ForceDeport Defines whether the agent forcibly deports the disk group even if the disks within the disk group are being used. The value 1 indicates the agent forcibly deports disk groups. The value 0 indicates it does not. Default is 0. Note: Set this attribute to 1 only after verifying the integrity of your data. If due caution is not exercised before setting this attribute to 1, you risk a potential data loss. Type and Dimension: boolean-scalar
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Veritas Cluster Server Bundled Agents Reference Guide

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