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Full Discussion: Shared FS
Operating Systems AIX Shared FS Post 302521963 by koschi on Friday 13th of May 2011 01:04:03 AM
Old 05-13-2011
These two nodes, now are they in an HACMP cluster or not? If so nothing easier than what you ask for. You put that NFS share into a shared VG on SAN and mount it eg. in /sharedFS_jfs2 on the home node where the VG is active. Through cluster NFS exports and statements in the RG definition you export it to both nodes. On both nodes then you mount homenode:/sharedFS_jfs2 to /sharedFS and have the share available on both sides with the same path. = NFS cross mounts.
Of course the service IP of $homenode needs to be part of the RG as well, so in case it fails over to nodeB that system will still be able to access the share. Having the VG with the same major number on both nodes eliminates the need for remounts after failover... The RG needs to varyon VGs and mount file systems before starting TCPIP related stuff like the exporting.
 

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remnode(8)						      System Manager's Manual							remnode(8)

Name
       remnode - remove one or more entries from the nodes database

Syntax
       /etc/remnode [ node ]

Description
       For each given node argument, deletes the corresponding node entry (or entries) from the nodes database. The nodes database is the one used
       by DECnet.  The node is either the node address or the node name for each node entry that you want to delete.  Note, you can  specify  more
       than one node argument in a single command.

       A node address is a decimal integer in the range of 1 to 1023 for single area networks, or has the format a.n for multiarea networks, where
       a is the network area number (a decimal integer in the range of 2 to 63) and n is the node number (a decimal integer in the range of  1	to
       1023).

       A node name can be from one to six alphanumeric characters, including at least one letter.

Examples
       This command removes the entries for nodes 44.70 and Mynode from the nodes database:
       # /etc/remnode 44.70 mynode <RET>
       This command removes the entry for node lttwi from the nodes database:
       # /etc/remnode lttwi <RET>

See Also
       addnode(8), ccr(8), getnode(8), load(8), mop_mom(8), trigger(8)

																	remnode(8)
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