You should first upgrade the cluster and then the clients. Supporting older clients is based on the cluster.op-version (the higher it is, the newer client you should use).<div id="yMail_cursorElementTracker_1637008170962"><br></div><div id="yMail_cursorElementTracker_1637008179140">Yet, your version is quite old and you should consider upgrading.</div><div id="yMail_cursorElementTracker_1637008202804"><br></div><div id="yMail_cursorElementTracker_1637008203839"><br></div><div id="yMail_cursorElementTracker_1637008171219">Best Regards,</div><div id="yMail_cursorElementTracker_1637008175239">Strahil Nikolov<br><div id="yMail_cursorElementTracker_1637008060769"> <br> <blockquote style="margin: 0 0 20px 0;"> <div style="font-family:Roboto, sans-serif; color:#6D00F6;"> <div>On Mon, Nov 15, 2021 at 15:47, Shreyansh Shah</div><div><shreyansh.shah@alpha-grep.com> wrote:</div> </div> <div style="padding: 10px 0 0 20px; margin: 10px 0 0 0; border-left: 1px solid #6D00F6;"> ________<br clear="none"><br clear="none"><br clear="none"><br clear="none">Community Meeting Calendar:<br clear="none"><br clear="none">Schedule -<br clear="none">Every 2nd and 4th Tuesday at 14:30 IST / 09:00 UTC<br clear="none">Bridge: <a shape="rect" href="https://meet.google.com/cpu-eiue-hvk" target="_blank">https://meet.google.com/cpu-eiue-hvk</a><br clear="none">Gluster-users mailing list<br clear="none"><a shape="rect" ymailto="mailto:Gluster-users@gluster.org" href="mailto:Gluster-users@gluster.org">Gluster-users@gluster.org</a><br clear="none"><a shape="rect" href="https://lists.gluster.org/mailman/listinfo/gluster-users" target="_blank">https://lists.gluster.org/mailman/listinfo/gluster-users</a><br clear="none"> </div> </blockquote></div></div>