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document NFS_TICKLE_SHARED_DIRECTORY on our web page
(This used to be ctdb commit 40ec29f602897e9b01a6747806f502ab38423d54)
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@ -40,6 +40,7 @@ which causes problems on some clients.<br>
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This file should look something like :
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<pre>
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CTDB_MANAGES_NFS=yes
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NFS_TICKLE_SHARED_DIRECTORY=/gpfs0/nfs-tickles
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LOCKD_TCPPORT=599
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LOCKD_UDPPORT=599
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STATD_SHARED_DIRECTORY=/gpfs0/nfs-state
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@ -65,6 +66,13 @@ Don't forget to create this directory:
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mkdir /gpfs0/nfs-state
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</pre>
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NFS_TICKLE_SHARED_DIRECTORY is where ctdb will store information about which
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clients have established tcp connections to the cluster. This information
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is used during failover of ip addresses.
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This allows the node that takes over an ip address to very quickly 'tickle' and reset any tcp connections for the ip address it took over.<br>
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The reason to do this is to improve the speed at which a client will detect
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that the tcp connection for NFS needs to be reestablished and to speed up
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recovery in the client.<br>
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<h2>chkconfig</h2>
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