Backing Up a Linux-based vCenter Virtual Machine
To back up a Linux-based vCenter virtual machine by using a backup job, you must first modify the VMware scripts pre-freeze-script and post-thaw-script on the vCenter virtual machine to avoid corrupted vCenter backups.
To modify the scripts, complete the following steps:
On the virtual machine, navigate to the /usr/sbin directory and replace the content of the script pre-freeze-script with the following content:
#!/bin/bash
#set log directory
log="/var/log/vpostgres_backup.log"
#set and log start date
today=`date +%Y\/%m\/%d\ %H:%M:%S`
echo "${today}: Start of creation consistent state" >> ${log}
#execute freeze command
cmd="echo \"SELECT pg_start_backup('${today}', true);\" | sudo /opt/vmware/vpostgres/9.4/bin/psql -U postgres >> ${log} 2>&1"
eval ${cmd}
#set and log end date
today=`date +%Y\/%m\/%d\ %H:%M:%S`
echo "${today}: Finished freeze script" >> ${log}
Replace the content of the script post-thaw-script with the following content:
#!/bin/bash
#set log directory
log="/var/log/vpostgres_backup.log"
#set and log start date
today=`date +%Y\/%m\/%d\ %H:%M:%S`
echo "${today}: Release of backup" >> ${log}
#execute release command
cmd="echo \"SELECT pg_stop_backup();\" | sudo /opt/vmware/vpostgres/9.4/bin/psql -U postgres >> ${log} 2>&1"
eval ${cmd}
#set and log end date
today=`date +%Y\/%m\/%d\ %H:%M:%S`
echo "${today}: Finished thaw script" >> ${log}
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