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Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
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Thomas Lamprecht 2019-03-06 10:42:06 +01:00
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pvecm.adoc
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@ -893,30 +893,30 @@ Frequently Asked Questions
Tie Breaking
^^^^^^^^^^^^
In case of a tie, where two same-sized cluster partitions cannot see each
other but the QDevice, the QDevice chooses randomly one of those partitions and
In case of a tie, where two same-sized cluster partitions cannot see each other
but the QDevice, the QDevice chooses randomly one of those partitions and
provides a vote to it.
Possible Negative Implications
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
For clusters with an even node count there are no negative implications
when setting up a QDevice. If it fails to work, you are as good as without
QDevice at all.
For clusters with an even node count there are no negative implications when
setting up a QDevice. If it fails to work, you are as good as without QDevice at
all.
Adding/Deleting Nodes After QDevice Setup
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
If you want to add a new node or remove an existing one from a cluster with a
QDevice setup, you need to remove the QDevice first. After
that, you can add or remove nodes normally. Once you have a cluster with an
even node count again, you can set up the QDevice again as described above.
QDevice setup, you need to remove the QDevice first. After that, you can add or
remove nodes normally. Once you have a cluster with an even node count again,
you can set up the QDevice again as described above.
Removing the QDevice
^^^^^^^^^^^^^^^^^^^^
If you used the official `pvecm` tool to add the QDevice, you can remove it trivially
by running:
If you used the official `pvecm` tool to add the QDevice, you can remove it
trivially by running:
----
pve# pvecm qdevice remove