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Why shouldn I use rgmanager to move virtual IPs around with EXT3 but I can with GFS?

April 26, 2017Ext3 gfs iPS rgmanager virtual

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Why shouldn I use rgmanager to move virtual IPs around with EXT3 but I can with GFS?

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With GFS you mount the file system on all the nodes, and have /etc/exports in sync. With ext3, you can’t mount the file system on all the nodes. If the file system is mounted and the exports are all in sync cross-cluster. You can move IPs around and the NFS clients should just “do the right thing” Now…You can’t mount ext3 on multiple nodes. and you can’t have /etc/exports set up to export a file system that’s not mounted. So, you have to make the whole bit a cluster service – ext3 mount point and all so that the mount is only mounted on one node at a time then use the cluster to bring up the exports.