NFS - ha with keepalived and shared storage: Difference between revisions
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= NFS - HA with keepalived and shared storage = |
= NFS - HA with keepalived and shared storage = |
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<pre> |
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# Install keepalived - sample config below # |
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vrrp_script chk_nfsd { # Requires keepalived-1.1.13 |
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script "killall -0 nfsd" # cheaper than pidof |
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interval 2 # check every 2 seconds |
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# weight 2 # add 2 points of prio if OK |
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} |
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vrrp_instance VI7 { |
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interface bond0 |
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state BACKUP |
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nopreempt |
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virtual_router_id 222 |
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priority 100 # 101 on master, 100 on backup |
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virtual_ipaddress { |
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10.45.8.191 |
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} |
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track_script { |
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chk_nfsd |
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} |
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notify /usr/local/bin/nfs_statechange.sh |
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} |
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## Content of script: /usr/local/bin/nfs_statechange.sh |
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#!/bin/bash |
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TYPE=$1 |
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NAME=$2 |
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STATE=$3 |
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case $STATE in |
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"MASTER") /etc/init.d/nfs-kernel-server start |
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exit 0 |
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;; |
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"BACKUP") /etc/init.d/nfs-kernel-server status |
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exit 0 |
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;; |
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"FAULT") /etc/init.d/nfs-kernel-server restart |
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exit 0 |
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;; |
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*) echo "unknown state" |
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exit 1 |
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;; |
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esac |
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## Add fsid to the nfs export or you will get 'Stale NFS handle' ## |
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/share/esxi 10.0.0.0/8(rw,no_root_squash,insecure,async,no_subtree_check,fsid=42) |
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</pre> |
Latest revision as of 09:38, 17 March 2015
# Install keepalived - sample config below # vrrp_script chk_nfsd { # Requires keepalived-1.1.13 script "killall -0 nfsd" # cheaper than pidof interval 2 # check every 2 seconds # weight 2 # add 2 points of prio if OK } vrrp_instance VI7 { interface bond0 state BACKUP nopreempt virtual_router_id 222 priority 100 # 101 on master, 100 on backup virtual_ipaddress { 10.45.8.191 } track_script { chk_nfsd } notify /usr/local/bin/nfs_statechange.sh } ## Content of script: /usr/local/bin/nfs_statechange.sh #!/bin/bash TYPE=$1 NAME=$2 STATE=$3 case $STATE in "MASTER") /etc/init.d/nfs-kernel-server start exit 0 ;; "BACKUP") /etc/init.d/nfs-kernel-server status exit 0 ;; "FAULT") /etc/init.d/nfs-kernel-server restart exit 0 ;; *) echo "unknown state" exit 1 ;; esac ## Add fsid to the nfs export or you will get 'Stale NFS handle' ## /share/esxi 10.0.0.0/8(rw,no_root_squash,insecure,async,no_subtree_check,fsid=42)