mirror of
https://github.com/xcat2/xcat-core.git
synced 2025-05-29 09:13:08 +00:00
enhance HA scripts deactivate-mn and activate-mn (#4120)
* enhance doc for scripts changes * enhance activate-mn/deactivate-mn
This commit is contained in:
Yuan Bai
Bin Xu
parent
6d345ab62d
commit
d4a1e82d5d
@ -289,10 +289,25 @@ In a planned failover, you can do necessary cleanup work on the previous primary
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Take down the Current Primary Management Node
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---------------------------------------------
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xCAT ships a sample script ``/opt/xcat/share/xcat/hamn/deactivate-mn`` to make the machine be a standby management node. Before using this script, you need to review the script carefully and make updates accordingly, here is an example of how to use this script: ::
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xCAT ships a sample script ``/opt/xcat/share/xcat/hamn/deactivate-mn`` to make the machine be a standby management node. Before using this script, you need to review the script carefully and make updates accordingly, correct the following variable values in this script: ::
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SHAREDVG=sharedvg # For AIX, shared volumn group name
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DBDIR=/var/lib/pgsql # database directory
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SHAREDFS="/install /etc/xcat /root/.xcat /tftpboot" # Shared file systems
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USEDB2=no # if DB2 is being used
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USETEAL=no # if TEAL is being used
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USEDFM=no # if DFM is being used
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USEUNMOUNT=yes # umount share data directory
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POWER775=no # Power 775 cluster
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CHANGEHOSTNAME=no # change the hostname from virtual ip hostname to the original hostname
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xcatdb=postgresql # support postgrel,DB2,mysql
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Here is an example of how to use this script: ::
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/opt/xcat/share/xcat/hamn/deactivate-mn -i eth1:2 -v 9.114.47.97
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**Notes**: This script will be over-written after xCAT is upgraded. If this script is customized, make sure backup it before upgrading xCAT.
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On the current primary management node:
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If the management node is still available and running the cluster, perform the following steps to shutdown.
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@ -339,11 +354,26 @@ If the management node is still available and running the cluster, perform the f
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Bring up the New Primary Management Node
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----------------------------------------
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xCAT ships a sample script ``/opt/xcat/share/xcat/hamn/activate-mn`` to make the machine be a new primary management node. Before using this script, you need to review the script carefully and make updates accordingly, correct the following variable values in this script: ::
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Execute script ``/opt/xcat/share/xcat/hamn/activate-mn`` to make the machine be a primary management node: ::
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SHAREDVG=sharedvg # For AIX, shared volumn group name
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DBDIR=/var/lib/pgsql # database directory
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SHAREDFS="/install /etc/xcat /root/.xcat" # Shared file systems
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USEDFM=no # if DFM is being used
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USENTP=no # if NTP is being used
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POWER775=no # Power 775 cluster
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USETEAL=no # if TEAL is being used
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USEMOUNT=yes # mounted filesystems in the file /etc/fstab
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CHANGEHOSTNAME=yes # set the hostname to the virtual ip address hostname
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RESTARTDNS=yes # if yes, will execute "makedns -n"
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xcatdb=postgresql # support postgrel,DB2,mysql
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Here is an example of how to use this script to make the machine be a primary management node: ::
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/opt/xcat/share/xcat/hamn/activate-mn -i eth1:2 -v 9.114.47.97 -m 255.255.255.0
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**Notes**: This script will be over-written after xCAT is upgraded. If this script is customized, make sure backup it before upgrading xCAT.
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On the new primary management node:
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#. Configure Virtual IP: ::
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@ -25,18 +25,19 @@
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# -----------------------------------------------------------------------------
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# 2011-12-08 JDW 1.0 Original
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# 2013-06-06 xCAT 1.1 Updated version to ship with xCAT
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# 2017-10-17 xCAT 2.13.8 Enhance
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SHAREDVG=sharedvg # For AIX, shared volumn group name
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SHAREDFS="/install /etc/xcat ~/.xcat" # Shared file systems
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DB2DIR=/db2database # DB2 only, the db2 database directory
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DBDIR=/var/lib/pgsql # database directory
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SHAREDFS="/install /etc/xcat /root/.xcat" # Shared file systems
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USEDFM=no # if DFM is being used
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USENTP=no # if NTP is being used
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POWER775=no # Power 775 cluster
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USETEAL=no # if TEAL is being used
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CHANGEHOSTNAME=no # set the hostname to the virtual ip address hostname
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xcatdb=`XCATBYPASS=1 /opt/xcat/bin/lsxcatd -d | cut -f 2 -d "=" 2>/dev/null`
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USEMOUNT=yes # mounted filesystems in the file /etc/fstab
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CHANGEHOSTNAME=yes # set the hostname to the virtual ip address hostname
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RESTARTDNS=yes # if yes, will execute "makedns -n"
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exit_code=0
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xcatdb=postgresql # support postgrel,DB2,mysql
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usage()
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{
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@ -49,7 +50,31 @@ EOF
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runcmd()
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{
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echo "Running command: $@"
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$@
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a=0
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while true
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do
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if [ $a -eq 5 ]; then
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echo "$@ [Failed]"
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exit_code=1
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return 1
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elif [ $a -gt 0 ]; then
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sleep 3
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echo "Retry $a ...... $@"
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fi
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$@
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if [ $? -eq 0 ]; then
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echo "$@ [Passed]"
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return 0
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else
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a=$[$a+1]
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fi
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done
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}
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clear_env()
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{
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NIC=$1
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ifconfig $NIC 0.0.0.0 0.0.0.0 2>/dev/null
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}
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################################################################################
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@ -133,15 +158,48 @@ then
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runcmd "varyonvg $SHAREDVG"
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fi
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for fs in $SHAREDFS
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do
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runcmd "mount $fs"
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done
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#DB2 only
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if [ $xcatdb = "DB2" ]
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if [ $USEMOUNT = "yes" ]
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then
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runcmd "mount $DB2DIR"
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for fs in $SHAREDFS $DBDIR
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do
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runcmd "mount $fs"
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done
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else
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echo "Warning: share data $SHAREDFS $DBDIR should be mounted before."
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fi
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# check if DB is matched in linux
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if [ `uname` = "Linux" ]; then
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echo "Check DB...."
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if [ -s /etc/xcat/cfgloc ]
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then
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xcatcfg=`cat /etc/xcat/cfgloc|cut -f 1 -d : 2>/dev/null`
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else
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# SQLsite
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xcatcfg=`XCATBYPASS=1 /opt/xcat/bin/lsxcatd -d | cut -f 2 -d "=" 2>/dev/null`
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# filter Error message from lsxcatd
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echo "$xcatcfg" | grep "Error" && xcatcfg=""
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fi
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if [ -n "$xcatcfg" ]; then
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current_db=$xcatcfg
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if [ $xcatcfg = "Pg" ]
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then
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current_db="postgresql"
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fi
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echo "Current database is $current_db."
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if [ $current_db != "$xcatdb" ]
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then
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echo "Error: current DB $current_db is not matched with $xcatdb. [Failed]"
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clear_env $NIC
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exit 1
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else
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echo "DB is matched with $xcatdb [Passed]"
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fi
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else
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echo "Error: can not get current DB. [Failed]"
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clear_env $NIC
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exit 1
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fi
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fi
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# Start NFS
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@ -167,31 +225,57 @@ then
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fi
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##############################################################################
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echo "Starting $xcatdb...."
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if [ `uname` = "AIX" ]
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then
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if [ $xcatdb = "DB2" ]
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then
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runcmd "su - xcatdb -c \"db2start\""
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elif [ $xcatdb = "mysql" ]
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elif [ $DATABASE = "mysql" ]
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then
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runcmd "startsrc -g mysql"
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fi
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else # Linux
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if [ $xcatdb != "SQLite" ]
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then
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runcmd "service $xcatdb start 2>&1 1>/dev/null"
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runcmd "service $xcatdb start"
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if [ $? -eq 0 ]
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then
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XCATBYPASS=1 tabdump site >/dev/null
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if [ $? -ne 0 ]
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then
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echo "Error: cannot connect $xcatdb [Failed], exit...."
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clear_env $NIC
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exit 1
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fi
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else
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echo "Error: service $xcatdb start [Failed], exit...."
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clear_env $NIC
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exit 1
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fi
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fi
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fi
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echo "Starting xCAT...."
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if [ `uname` = "AIX" ]
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then
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runcmd "/opt/xcat/sbin/restartxcatd"
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else # Linux
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runcmd "service xcatd restart"
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if [ $? -ne 0 ]
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then
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echo "Error: failed to restart xcatd. exiting...."
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clear_env $NIC
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exit 1
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else
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tabdump site >/dev/null
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if [ $? -ne 0 ]
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then
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echo "Error: failed to restart xcatd. exiting...."
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clear_env $NIC
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exit 1
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fi
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fi
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fi
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#echo "Start xCAT on the Service Nodes...."
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@ -230,6 +314,11 @@ then
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fi
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##############################################################################
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#Re-make dns
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if [ $RESTARTDNS = "yes" ]
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then
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runcmd "makedns -n"
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fi
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# Re-make DHCP definitions
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echo "Making upto date DHCP configuration file...."
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@ -281,5 +370,9 @@ fi
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echo ""
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echo ""
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echo "This machine is set to active management node successfully, enjoy..."
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exit 0
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if [ $exit_code -eq 0 ]; then
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echo "This machine is set to active management node successfully, enjoy..."
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else
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echo "This machine is set to active management node, but some service failed..."
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fi
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exit $exit_code
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@ -24,15 +24,18 @@
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# -----------------------------------------------------------------------------
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# 2011-12-08 JDW 1.0 Original
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# 2013-06-06 xCAT 1.1 Updated version to ship with xCAT
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# 2017-10-12 xCAT 2.13.8 Enhance
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SHAREDVG=sharedvg # For AIX, shared volumn group name
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SHAREDFS="/install /etc/xcat ~/.xcat" # Shared file systems
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DB2DIR=/db2database # DB2 only, the db2 database directory
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DBDIR=/var/lib/pgsql # database directory
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SHAREDFS="/install /etc/xcat /root/.xcat /tftpboot" # Shared file systems
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USEDB2=no # if DB2 is being used
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USETEAL=no # if TEAL is being used
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USEDFM=no # if DFM is being used
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USEUNMOUNT=yes # umount share data directory
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POWER775=no # Power 775 cluster
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CHANGEHOSTNAME=no # change the hostname from virtual ip hostname to the original hostname
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xcatdb=`XCATBYPASS=1 /opt/xcat/bin/lsxcatd -d | cut -f 2 -d "=" 2>/dev/null`
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exit_code=0
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xcatdb=postgresql # support postgrel,DB2,mysql
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usage()
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{
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@ -45,7 +48,25 @@ EOF
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runcmd()
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{
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echo "Running command: $@"
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$@
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a=0
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while true
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do
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if [ $a -eq 5 ]; then
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echo "$@ [Failed]"
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exit_code=1
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return 1
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elif [ $a -gt 0 ]; then
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sleep 3
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echo "Retry $a ...... $@"
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fi
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$@
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if [ $? -eq 0 ]; then
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echo "$@ [Passed]"
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return 0
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else
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a=$[$a+1]
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fi
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done
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}
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################################################################################
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@ -154,7 +175,7 @@ if [ `uname` = "AIX" ]
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then
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stopsrc -s xcatd
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else # Linux
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service xcatd stop
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runcmd "service xcatd stop"
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fi
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echo "Stopping database $xcatdb...."
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@ -170,15 +191,16 @@ then
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else # Linux
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if [ $xcatdb != "SQLite" ]
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then
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runcmd "service $xcatdb stop 2>&1 1>/dev/null"
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runcmd "service $xcatdb stop"
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fi
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fi
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##############################################################################
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# Kill nicely, wait a little time for processes to clean-up....
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for fs in $SHAREDFS $DB2DIR
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do
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if [ $USEDB2 = "yes" ]
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then
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# Kill nicely, wait a little time for processes to clean-up....
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for fs in $SHAREDFS $DBDIR
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do
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echo "Killing processes (nicely) accessing filesystem ${fs}...."
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if [ `uname` = "AIX" ]
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then
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@ -186,7 +208,8 @@ do
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else # Linux
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runcmd "fuser -u -k ${fs}"
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fi
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done
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done
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fi
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# AIX only, Linux has the -l flag could hanldle everything
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if [ `uname` = "AIX" ]
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@ -231,14 +254,15 @@ then
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runcmd "umount $fs"
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done
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else
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for fs in $SHAREDFS
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do
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runcmd "umount -l $fs"
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done
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if [ $USEUNMOUNT = "yes" ]
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then
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for fs in $SHAREDFS $DBDIR
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do
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runcmd "umount -l $fs"
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done
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fi
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fi
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if [ `uname` = "AIX" ]
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then
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varyoffvg sharedvg
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@ -257,22 +281,32 @@ then
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BOOT_HOSTNAME=`grep HOSTNAME /etc/sysconfig/network | cut -f 2 -d "="`
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fi
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fi
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hostname ${BOOT_HOSTNAME}
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runcmd "hostname ${BOOT_HOSTNAME}"
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fi
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# Remove virtual ip addresses
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# Firstly determine the correct IP addresses for each interface
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echo "Removing IP Aliases...."
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echo "Removing IP Aliase...."
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if [ `uname` = "AIX" ]
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then
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runcmd "ifconfig $NIC delete $VIP"
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else # Linux
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runcmd "ifconfig $NIC 0.0.0.0 0.0.0.0"
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ifconfig $NIC 0.0.0.0 0.0.0.0
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ip addr show |grep $VIP 2>&1 1>/dev/null
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if [ $? -ne 0 ]; then
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echo "IP Aliase $NIC $VIP is removed.[Passed]"
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else
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echo "Fail to remove IP Aliase $NIC $VIP. [Failed]"
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fi
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fi
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echo ""
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echo ""
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echo "This machine is set to standby management node successfully..."
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exit 0
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if [ $exit_code -eq 0 ]
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then
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echo "This machine is set to standby management node successfully..."
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else
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echo "This machine is set to standby management node, but some service are failed."
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fi
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exit $exit_code
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