I know Red Hat Cluster Suite relies on OpenAIS and GFS relies on DLM for locking,
So the question is am I capable to have a DRBD block device running in an active/active mode and have a GFS file system over it with the nodes located in different geographical locations ? considering that there is no multicast/broadcast between the 2 nodes in a cluster and whether DLM will be able to operate in that case. Also having in mind that the connection between the 2 locations having the nodes is connected with a fiber-optics connections and the delay between the 2 server is not more than 3ms. Your input is highly appreciated. Thanks.
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