Veritas Cluster Server Bundled Agents Reference Guide

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48 Storage agents VMNSDg agent Table 2-12 VMNSDg agent required attributes Required Attribute DiskGroupName Description The name of the dynamic disk group configured using Storage Foundation for Windows (SFW). The disk group name may be retrieved from the SFW console by running the command vxdg list, or by using the VMGetDrive utility. For information on using the VMGetDrive utility, see the description of the utility in the Veritas Cluster Server Administrator’s Guide. Type and Dimension: string-scalar DGGuid The disk group ID of the dynamic 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. For information on using the VMGetDrive utility, see the description of the utility in the Veritas Cluster Server Administrator’s Guide. Type and Dimension: string-scalar Table 2-13 Optional Attributes VxSVCFailAction VMNSDg agent optional attributes Description Defines the agent behavior when the Veritas Enterprise Administrator Service (VxSVC) fails. The value RESTART_VXSVC indicates the agent attempts to restart the VxSVC service every monitor cycle. The value SHUTDOWN indicates the agent attempts to restart the VxSVC service the number of times defined in the attribute VxSVCRestartAttempts. If the agent fails to restart VxSVC, then it restarts the system. When this occurs, all the service groups come online on another system in the cluster. For example, if VxSVCRestartAttempts is set to 5, then the agent attempts to start the service five times before restarting the system. Default is RESTART_VXSVC. Type and Dimension: string-scalar VxSVCRestartAttempts The number of times the agent attempts to restart the failed VxSVC service before restarting the system. This attribute is considered only when VxSVCFailAction value is set to SHUTDOWN. Default is 10. Type and Dimension: integer
Storage agents NativeDisks agent 49 Table 2-13 Optional Attributes VMNSDg agent optional attributes (continued) Description SkipStorageValidation Defines whether the VMNSDg agent supports the dynamic disk groups which are configured on external disks. In case of SCSI controllers, the disks are considered as internal (non-shared) if the disk port is same as the port of OS disk, otherwise the disks are considered as external disks. The external disks can be shared or non-shared. By default, this attribute blocks the disk groups configured on any external disk (shared or non-shared). Set this attribute to 1 if you want the VMNSDg agent to support disk groups configured on external SCSI disks. Note: Configuring a VMNSDg agent resource for a dynamic disk group created on shared storage can cause data corruption and the VMNSDg agent resource can fault after regular intervals. Symantec recommends that you use the VMDg agent if the disk groups are created on shared external disks and use the VMNSDg agent if the disk groups are created on non-shared external disks. Default value is 0. Type and Dimension: boolean-scalar Sample configuration VMNSDg D_DG ( DiskGroupName = DDG DGGuid = fb69e244-930f-479e-b9f5-c54449fe2fc0) NativeDisks agent The NativeDisks agent manages the disks created on local (non-shared) and non-SCSI storage, which can work without reservation. The agent brings the disks online, monitors them, and takes them offline using Logical Disk Manager for Windows. The agent makes the disks highly available. In combination with the VMwareDisks resource, the NativeDisks agent is responsible for: ■ While bringing the disks online, ensure that the disks newly attached to the virtual machine are accessible to Windows.
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Chapter 8 VCS hardware replication
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Index 221 FileOnOnly agent (continu
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Index 223 Process agent agent funct
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Veritas Cluster Server Bundled Agents Reference Guide

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