<div dir="ltr"><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Sep 6, 2016 at 1:04 PM, Devin Ortner <span dir="ltr"><<a href="mailto:Devin.Ortner@gtshq.onmicrosoft.com" target="_blank">Devin.Ortner@gtshq.onmicrosoft.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div id=":2qo" class="a3s aXjCH m15703fb12c495c3a">Master/Slave Set: ClusterDBclone [ClusterDB]<br>
Masters: [ node1 ]<br>
Slaves: [ node2 ]<br>
ClusterFS (ocf::heartbeat:Filesystem): Started node1</div></blockquote></div><br>As Digimer said, you really need fencing when you are using DRBD. Otherwise it's only a matter of time before your shared filesystem gets corrupted.</div><div class="gmail_extra"><br></div><div class="gmail_extra">You also need an order constraint to be sure that the ClusterFS Filesystem does not start until after the Master DRBD resource, and a colocation constraint to ensure these are on the same node.</div><div class="gmail_extra"><br></div><div class="gmail_extra">--Greg</div><div class="gmail_extra"><br></div></div>