[DRBD-user] Auto-promote failed: Multiple primaries not allowed by config

[Michael Roth]

 Hi,

i've a problem with drbd9 and auto-promote.

I mount a device on Node #1 , everything is fine. But if I try to mount the
same device on Node #  I got the following error.

mount: /dev/drbd1000 is write-protected, mounting read-only
mount: mount /dev/drbd1000 on /mnt failed: Wrong medium type

In /var/log/messages I can see the following message

Sep 27 08:27:21 drbd02 kernel: drbd testvolume: Auto-promote failed:
Multiple primaries not allowed by config

I'm using a three node drbd 9 cluster with linstor for management.
The strange thing about it is that the existing volumes are still working
with auto-promote, just new volumes have the problem.

I build a new cluster for testing, with the same result.

I guess that the upgrade to CentOS 7.7 could have something to do with that
behaviour, I'll check that in the next days.

I'm thankful for every hint !

Best regards,
Michael
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