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Infrastructure/VM cluster (view source)
Revision as of 09:17, 23 September 2021
, 09:17, 23 September 2021Docker section
Promox '''High-Availablity''' (HA) feature automatically migrates containers when the node hosting them is down. This is detected by the other nodes, forming a "quorum" (a majority of nodes considering a node is down in the cluster). In that case, the container is started with the last replicated storage. This means that the replication frequency of these HA nodes should be high (a few minutes) as changes since the last replication we be lost in the migration.
Promox '''High-Availablity''' (HA) feature automatically migrates containers when the node hosting them is down. This is detected by the other nodes, forming a "quorum" (a majority of nodes considering a node is down in the cluster). In that case, the container is started with the last replicated storage. This means that the replication frequency of these HA nodes should be high (a few minutes) as changes since the last replication we be lost in the migration.
=== Docker in a container ===
When Docker is run inside a container, it needs a few tweaks:
* edit <code>/etc/pve/lxc/120.conf</code> (if the CT number is 120), and add: <code>features: keyctl=1,nesting=1</code>
* reboot the container.
== Usage guidelines (to be completed) ==
== Usage guidelines (to be completed) ==