Veritas Cluster Server Bundled Agents Reference Guide

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38 Storage agents MountV agent Table 2-7 MountV agent required attributes (continued) Required Attributes VMDGResName Description The name of the Volume Manager Diskgroup (VMDg) resource on which the MountV resource depends. Type and Dimension: string-scalar Table 2-8 MountV agent optional attributes Optional Attributes AutoFSClean Description If the agent detects corruption, this attribute defines whether the agent automatically cleans the file system by running Chkdsk /X on the volume being brought online. The value 1 indicates the agent cleans the file system. The value 0 indicates it does not. Default is 1. The output of the Chkdsk /x command is stored at %vcs_home%\log\Chkdsk_.txt. Here, %vcs_home% is the default product installation directory, typically C:\Program Files\Veritas\Cluster Server. Type and Dimension: boolean-scalar
Storage agents MountV agent 39 Table 2-8 MountV agent optional attributes (continued) Optional Attributes ForceUnmount Description Defines whether or not the agent unmounts the volume (gracefully or forcibly) when it is being used by other applications. The attribute can take the following values: ■ ■ ■ ■ NONE: The agent does not unmount the volume if an application is accessing it. READ_ONLY: The agent tries to enumerate the open handles in READ_ONLY mode to the configured mount points and then gracefully unmounts the mount points even if applications are accessing it in READ_ONLY mode. ALL: The agent forcefully unmounts the volume irrespective of the type of access an application has. The agent first tries to obtain exclusive access to the configured mount point. The agent makes this attempt twice, with half a second delay between each unsuccessful attempt. If it fails to lock the volume even after 2 attempts, it proceeds with the unmount operation. CLOSE_FORCE: The agent does not try to lock the configured mount points and proceeds directly with the forceful unmount operation. Note: Forceful unmount may potentially cause a data corruption. When you use ForceUnmount with CLOSE_FORCE, then before you switch or take the MountV resources offline, verify that none of the applications are accessing the configured mount points. Default is READ_ONLY. If you have enabled Intelligent Monitoring Framework (IMF) and fast failover in your cluster environment, Symantec recommends that you set this attribute value to ALL. This reduces the failover time as the agent does not require additional time to gracefully close the read-only handles on the volume. Type and Dimension: string-scalar ListApplications Defines whether the agent lists the applications accessing the volume while unmounting. The value 1 indicates that the agent lists the applications; the value 0 indicates that it does not. Default is 0. If you have enabled Intelligent Monitoring Framework (IMF) and fast failover in your cluster environment, Symantec recommends that you set this attribute value to 0. This reduces the failover time as the agent does not enumerate the applications that are accessing the volume. Type and Dimension: boolean-scalar
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Chapter 8 VCS hardware replication
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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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