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ha: maintenance mode: fix grammar and reword

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This was a bit complex while leaving out some key info, like that
HA groups also play into the target selection, not only CRS.

Try to improve on that.

Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
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Thomas Lamprecht 2023-10-27 16:06:30 +02:00
parent 4064225d51
commit 8dcad10c19
1 changed files with 9 additions and 6 deletions
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ha-manager.adoc
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@ -853,12 +853,15 @@ The HA stack can support you mainly in two types of maintenance:
Maintenance Mode
~~~~~~~~~~~~~~~~
Enabling the manual maintenance mode will mark the node as unavailable for
operation, this in turn will migrate away all HA services to other nodes, which
are selected through the configured cluster resource scheduler (CRS) mode.
During migration the original node will be recorded, so that the service can be
moved back to to that node as soon as the maintenance mode is disabled, and it
becomes online again.
You can use the manual maintenance mode to mark the node as unavailable for HA
operation, prompting all services managed by HA to migrate to other nodes.
The target nodes for these migrations are selected from the other currently
available nodes, and determined by the HA group configuration and the configured
cluster resource scheduler (CRS) mode.
During each migration, the original node will be recorded in the HA managers'
state, so that the service can be moved back again automatically once the
maintenance mode is disabled and the node is back online.
Currently you can enabled or disable the maintenance mode using the ha-manager
CLI tool.