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- February 3, 2020 at 3:47 pm
You may create the following script to solve the split-brain on DRBD
cat > /usr/local/bin/drbdsplit << EOF
#!/bin/bash
set -e
# Authors: Rodrigo Cuadra
# with Collaboration of Jose Miguel Rivera
# 2019/11/06
# Support: rcuadra@aplitel.com
#
drbdadm secondary drbd0
drbdadm disconnect drbd0
drbdadm -- --discard-my-data connect drbd0
ssh root@$ip_slave "drbdadm connect drbd0"
echo "Disk Status"
drbdadm status
EOF
chmod +x /usr/local/bin/drbdsplitWhere the variable “$ip_slave”, is the IP of the opposite server.
This script must be created on both servers.
To automatize this process, you can edit the file “/etc/drbd.conf”, and add the following on both servers:
resource resourcename { [snip] handlers { split-brain "/usr/local/bin/drbdsplit"; } [snip] }
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