[Gluster-users] Graceful shutdown doesn't stop all Gluster processes

[Anant Saraswat]

Hello Everyone,


I am using GlusterFS 9.4, and whenever we use the systemctl command to stop the Gluster server, it leaves many Gluster processes running. So, I just want to check how to shut down the Gluster server in a graceful manner.


Is there any specific sequence or trick I need to follow? Currently, I am using the following command:


[root at master2 ~]# systemctl stop glusterd.service

[root at master2 ~]# ps aux | grep gluster
root     2710138 14.1  0.0 2968372 216852 ?      Ssl  Jan27 170:27 /usr/sbin/glusterfsd -s master2 --volfile-id tier1data.master2.opt-tier1data2019-brick -p /var/run/gluster/vols/tier1data/master2-opt-tier1data2019-brick.pid -S /var/run/gluster/97da28e3d5c23317.socket --brick-name /opt/tier1data2019/brick -l /var/log/glusterfs/bricks/opt-tier1data2019-brick.log --xlator-option *-posix.glusterd-uuid=c1591bde-df1c-41b4-8cc3-5eaa02c5b89d --process-name brick --brick-port 49152 --xlator-option tier1data-server.listen-port=49152
root     2710196  0.0  0.0 1298116 11544 ?       Ssl  Jan27   0:01 /usr/sbin/glusterfs -s localhost --volfile-id shd/tier1data -p /var/run/gluster/shd/tier1data/tier1data-shd.pid -l /var/log/glusterfs/glustershd.log -S /var/run/gluster/1ac2284f75671ffa.socket --xlator-option *replicate*.node-uuid=c1591bde-df1c-41b4-8cc3-5eaa02c5b89d --process-name glustershd --client-pid=-6
root     3730742  0.0  0.0 288264 14388 ?        Ssl  18:44   0:00 /usr/bin/python3 /usr/libexec/glusterfs/python/syncdaemon/gsyncd.py --path=/opt/tier1data2019/brick  --monitor -c /var/lib/glusterd/geo-replication/tier1data_drtier1data_drtier1data/gsyncd.conf --iprefix=/var :tier1data --glusterd-uuid=c1591bde-df1c-41b4-8cc3-5eaa02c5b89d drtier1data::drtier1data
root     3730763  2.4  0.0 2097216 35904 ?       Sl   18:44   0:09 python3 /usr/libexec/glusterfs/python/syncdaemon/gsyncd.py worker tier1data drtier1data::drtier1data --feedback-fd 9 --local-path /opt/tier1data2019/brick --local-node master2 --local-node-id c1591bde-df1c-41b4-8cc3-5eaa02c5b89d --slave-id eca32e08-c3f8-4883-bef5-84bfb89f4d56 --subvol-num 1 --resource-remote drtier1data --resource-remote-id 28f3e75b-56aa-43a1-a0ea-a0e5d44d59ea
root     3730768  0.7  0.0  50796  9668 ?        S    18:44   0:02 ssh -oPasswordAuthentication=no -oStrictHostKeyChecking=no -i /var/lib/glusterd/geo-replication/secret.pem -p 22 -oControlMaster=auto -S /tmp/gsyncd-aux-ssh-ep7a14up/75785990b3233f5dbbab9f43cc3ed895.sock drtier1data /nonexistent/gsyncd slave tier1data drtier1data::drtier1data --master-node master2 --master-node-id c1591bde-df1c-41b4-8cc3-5eaa02c5b89d --master-brick /opt/tier1data2019/brick --local-node drtier1data --local-node-id 28f3e75b-56aa-43a1-a0ea-a0e5d44d59ea --slave-timeout 120 --slave-log-level INFO --slave-gluster-log-level INFO --slave-gluster-command-dir /usr/sbin --master-dist-count 1
root     3730795  1.1  0.0 1108268 55596 ?       Ssl  18:44   0:04 /usr/sbin/glusterfs --aux-gfid-mount --acl --log-level=INFO --log-file=/var/log/glusterfs/geo-replication/tier1data_drtier1data_drtier1data/mnt-opt-tier1data2019-brick.log --volfile-server=localhost --volfile-id=tier1data --client-pid=-1 /tmp/gsyncd-aux-mount-9210kh43
root     3772665  0.0  0.0  12208  2400 ?        S    18:51   0:00 rsync -aR0 --inplace --files-from=- --super --stats --numeric-ids --no-implied-dirs --existing --xattrs --acls --ignore-missing-args . -e ssh -oPasswordAuthentication=no -oStrictHostKeyChecking=no -i /var/lib/glusterd/geo-replication/secret.pem -p 22 -oControlMaster=auto -S /tmp/gsyncd-aux-ssh-ep7a14up/75785990b3233f5dbbab9f43cc3ed895.sock drtier1data:/proc/897118/cwd
root     3772667  0.0  0.0  44156  5640 ?        S    18:51   0:00 ssh -oPasswordAuthentication=no -oStrictHostKeyChecking=no -i /var/lib/glusterd/geo-replication/secret.pem -p 22 -oControlMaster=auto -S /tmp/gsyncd-aux-ssh-ep7a14up/75785990b3233f5dbbab9f43cc3ed895.sock drtier1data rsync --server -logDtpAXRe.LsfxC --super --stats --numeric-ids --existing --inplace --no-implied-dirs . /proc/897118/cwd

For now, We are using https://github.com/gluster/glusterfs/blob/master/extras/stop-all-gluster-processes.sh to kill all the remaining processes.

Thanks,
Anant

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