diff options
Diffstat (limited to 'ctdb/web/nfs.html')
| -rw-r--r-- | ctdb/web/nfs.html | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/ctdb/web/nfs.html b/ctdb/web/nfs.html index ae37774d6d1..3bd8d6f0327 100644 --- a/ctdb/web/nfs.html +++ b/ctdb/web/nfs.html @@ -40,6 +40,7 @@ which causes problems on some clients.<br> This file should look something like : <pre> CTDB_MANAGES_NFS=yes + NFS_TICKLE_SHARED_DIRECTORY=/gpfs0/nfs-tickles LOCKD_TCPPORT=599 LOCKD_UDPPORT=599 STATD_SHARED_DIRECTORY=/gpfs0/nfs-state @@ -65,6 +66,13 @@ Don't forget to create this directory: mkdir /gpfs0/nfs-state </pre> +NFS_TICKLE_SHARED_DIRECTORY is where ctdb will store information about which +clients have established tcp connections to the cluster. This information +is used during failover of ip addresses. +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> +The reason to do this is to improve the speed at which a client will detect +that the tcp connection for NFS needs to be reestablished and to speed up +recovery in the client.<br> <h2>chkconfig</h2> |