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Operating Systems AIX Sysmirror 7.1.3 Resource Group NFS mounts Post 303001170 by bakunin on Friday 28th of July 2017 07:46:40 AM
Old 07-28-2017
Quote:
Originally Posted by ZekesGarage
My question is, is there a way to maintain and update the required NFS mounts for the resource group similar to how the filesystems and VGs are maintained by using the CSPOC commands to synchronize the changes across the cluster?
Yes, there is. But before trying to administrate a HACMP-cluster you should really REALLY know what you are doing. This can end up in disaster pretty fast.

In the details of of the resource groups definition (the same SMIT panel where you also state the VGs which belong to it) you can also define NFS-mounts to be part of the RG. Note, that you will need some non-NFS file system for NFS-4 mounts. (Because, unlike NFS3, NFS4 is state-aware. Locked files stay locked.)

Notice also that for NFS4 to work you need different services started, not the same as for NFS3. You also need to configure the NFS-domain before, which i suggest to be the same as the DNS-domain of the system (as this is easier to manage).

I hope this helps.

bakunin
 

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automountd(1M)															    automountd(1M)

NAME
automountd - autofs mount/unmount daemon SYNOPSIS
name=value] DESCRIPTION
is an RPC server that answers file system mount and unmount requests from the filesystem. It uses local files or name service maps to locate filesystems to be mounted. These maps are described with the command (see automount(1M)). The daemon is automatically invoked if the variable is set to 1 in Options Trace. Expand each RPC call and display it to Verbose. Log status messages to Turn off browsing for all mount points. This option overrides the map option on the local host. Force all mounts to the local host to be NFS mounts instead of the default LOFS mounts. This is necessary for highly available NFS mounts. Assign value to the indicated map substitution variable. These assignments cannot be used to substitute variables in the master map Tracing While is running, the signal can be sent to to turn tracing on. It logs messages in To turn tracing off, send the signal again. RETURN VALUE
returns: 0 successful 1 failure EXAMPLES
To turn on tracing, enter: or No messages are displayed by the trace. Check the results in WARNINGS
Any filesystems that are being managed by should never be manually mounted or unmounted. Even if the mount or unmount operation appears to complete successfully, the resulting change of state to the managed filesystem can lead to disruptive or unpredictable results, including but not limited to: commands hanging or not returning expected results, and applications failing due to their dependencies on those mounted filesystems. A reboot may be necessary to resolve these issues. AUTHOR
was developed by Sun Microsystems, Inc. FILES
master map for automounter log file for automountd daemon SEE ALSO
automount(1M). automountd(1M)
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