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HOST="192.168.12.1"
NEW_BASE="/mnt/ands/glusterfs/vg_ce3a7c1bb6da5c98ce4bb3e76aeacb8b"
GLUSTER_BIN="gluster"
DRYRUN=1 # set to 0 to actually run
GLUSTER_UID=107 # adjust if your gluster user has a different uid/gid
# get all volumes like vol_<uid>
VOLS=$($GLUSTER_BIN volume list | grep '^vol_')
for VOL in $VOLS; do
# find bricks on this host
# lines look like: "Brick2: 192.168.12.1:/var/lib/heketi/.../brick"
mapfile -t OLDBRICKS < <($GLUSTER_BIN volume info "$VOL" \
| grep "$HOST:" \
| awk '{print $2}')
# skip volumes that don't have a brick on this host
if [ ${#OLDBRICKS[@]} -eq 0 ]; then
continue
fi
for OLD in "${OLDBRICKS[@]}"; do
BRICKID=$(echo "$OLD" | sed -n 's#.*/\(brick_[^/]*\)/brick#\1#p')
if [ -z "$BRICKID" ]; then
echo "WARN: could not extract brick ID from $OLD"
continue
fi
NEW="$HOST:$NEW_BASE/$BRICKID"
echo "=== volume: $VOL ==="
echo "old brick: $OLD"
echo "new brick: $NEW"
$GLUSTER_BIN volume replace-brick "$VOL" "$OLD" "$NEW" commit force
done
done
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