/usr/share/glusterfs/scripts/pre-upgrade-script-for-quota.sh is in glusterfs-common 3.8.8-1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 | #!/bin/bash
#Make sure glusterd and the brick processes are running on all nodes in the
#cluster.
#This script must be run prior to upgradation, that too on
#only one of the nodes in the cluster.
BACKUP_DIR=/var/tmp/glusterfs/quota-config-backup
mkdir -p $BACKUP_DIR
for i in `gluster volume list`; do
var=$(gluster volume info $i | grep 'features.quota'| cut -d" " -f2);
if [ -z "$var" ] || [ "$var" = "off" ]; then
continue
else
gluster volume quota $i list > $BACKUP_DIR/vol_$i;
fi;
done
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