<div dir="ltr">Hello drbd community,<br><br>I am currently installing drbd9 with Proxmox 4.4. <br><br>The architecture is as follows:<br>- 2 servers (pve1 & pve2) cluster for Proxmox and a PC (pve3) to establish the quorum for proxmox cluster. <br>- On the 2 servers (pve1 & pve2), drdb9 is installed<br><br>On pve1, I initialised the drbd9 cluster and I added the pve2 (drbdmanage add-node command) to form the DRBD9 cluster. <br>I created a virtual machine 100 on pve1 and the volume vm-100-disk1 was created. <br><br>The results drbd-overview on nodes pve1 & pve2 are as below:<br><br>root@pve1:~# drbd-overview <br> 0:.drbdctrl/0 Connected(2*) Primar/Second UpToDa/UpToDa <br> 1:.drbdctrl/1 Connected(2*) Primar/Second UpToDa/UpToDa <br>100:vm-100-disk-1/0 Connected(2*) Primar/Second UpToDa/UpToDa<br><br>root@pve2:~# drbd-overview <br> 0:.drbdctrl/0 Connected(2*) Second/Primar UpToDa/UpToDa <br> 1:.drbdctrl/1 Connected(2*) Second/Primar UpToDa/UpToDa <br>100:vm-100-disk-1/0 Connected(2*) Second/Primar UpToDa/UpToDa <br><br>The following scenario was tested: <br><br>1. When all nodes are running, I can migrate the virtual machine (both online and offline) from pve1 to pve2 and from pve2 to pve1. <br><br>2. When the virtual machine is on pve2 and I shutdown the server pve2, I am able to move the container manually from pve2 the node pve1 and start it. This works well and the volume vm-100-disk1 changed its state from the secondary state to primary. <br><br>3. When the virtual machine is on pve1 and I shutdown the server pve1, I am able to move the container from node pve1 to pve2 but unable to start it. Moreover, the drdb storage becomes unavailable and the drbd quorum is lost. <br><br>The log below error was found in the log: <br>Mar 11 21:52:19 pve2 pvedaemon[1291]: <root@pam> starting task UPID:pve2:00001695:00022F2F:58C43953:vzstart:100:root@pam:<br>Mar 11 21:52:19 pve2 pvedaemon[5781]: starting CT 100: UPID:pve2:00001695:00022F2F:58C43953:vzstart:100:root@pam:<br>Mar 11 21:52:19 pve2 drbdmanaged[1340]: ERROR Unable to append ([122, 'Startup not successful (no quorum? not *both* nodes up in a 2 node cluster?)', []],) to message with signature a(isa(ss))a(ssa{ss}a(ia{ss})): <type 'exceptions.TypeError'>: 'int' object is not iterable<br>Mar 11 21:52:24 pve2 pvedaemon[5781]: command 'lxc-start -n 100' failed: exit code 1<br><br>If don't know if there is a mistake in my configuration, but it works in one way only. <br><br>If you came across such problem, your help, guide and solutions will be much appreciated. <br><br>Thanks<br><br>Best Regards<br><br>-- <br><div class="gmail_signature"><div dir="ltr"><div><div dir="ltr">Shafeek SUMSER<br></div></div></div></div>
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