<div dir='auto'><div>Hi Zack,</div><div dir="auto"><br></div><div dir="auto">Please let Cormack Sharkey (bird) know before migrating or shutting down the minecraft2019 VM, so he can make sure his Engames world - which so far has a pretty decent playerbase - gets flushed to disk.</div><div dir="auto"><br></div><div dir="auto">Additionally, because this VM has 128GB or local storage and 32GiB of RAM, please let me know if you require any assistance live migrating it (you'll need to do this from the command line to migrate --with-local-disks in PVE 5.4 - PVE 6 can do it via the GUI), or let bird know if it needs to be shut down temporarily.</div><div dir="auto"><br></div><div dir="auto">I'd recommend migrating it between only Magikarp and Maltair, as they're both on a 10Gbps link (making migrations <i>significantly</i> quicker), and if I recall correctly, Maltair has sufficient local storage to host the minecraft2019 VM (I could be wrong).</div><div dir="auto"><br></div><div dir="auto">Cheers,</div><div dir="auto">Dylan Hicks [333]<br><div class="gmail_extra" dir="auto"><br><div class="gmail_quote">On 4 May 2020 8:16 pm, Coffee <coffee@ucc.asn.au> wrote:<br type="attribution"><blockquote class="quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div>
<p>Hi all,</p>
<p>I'm planning on upgrading the Proxmox cluster this Wednesday,
2020-05-06. <br>
</p>
<p>I'll be following the official upgrade guide at:
<a href="https://pve.proxmox.com/wiki/Upgrade_from_5.x_to_6.0">https://pve.proxmox.com/wiki/Upgrade_from_5.x_to_6.0</a> and I've
successfully tested the upgrade procedure on the test cluster
without any issues.</p>
<p>The upgrade will take place in 3 phases:</p>
<ol><li>Cluster wide upgrade to Corosync 3: Corosync must be upgraded
across the whole cluster before the move to Proxmox 6, during
this phase VM's will continue to run normally, however the
cluster will become non-quorate and users will be unable to
manage the cluster until the Corosync upgrade is complete.</li><li>Rolling Upgrade to Proxmox 6: Nodes will be upgraded one at a
time with VM's migrated off the node being upgraded. I've
confirmed that VM's can be safely migrated from a v5.4 node to a
v6.0 node allowing us to upgrade the cluster without any
downtime.</li><li>Ceph upgrade: Once the cluster has been fully upgraded there
is a ceph update that can be applied. As I have not yet tested
this process this step is likely to be deferred to a later date.</li></ol>
<p>Users should not expect any noticeable downtime for most VM's,
with the exception of salmon and the discord-irc bridge as these
machines are containers and thus cannot be live migrated. <br>
</p>
<p>Regards,</p>
<p>Zack [CFE]<br>
</p>
</div>
</blockquote></div><br></div></div></div>