Can you bring back at least one of them? In that case you could reduce
the monmap to 1 mon and bring the cluster back up. If the MONs are
really dead, you can recover using OSDs [0]. I've never had to use
that myself, but people have reported that to work.
[0]
https://docs.ceph.com/en/latest/rados/troubleshooting/troubleshooting-mon/#recovery-using-osds
Zitat von Jonas Schwab <jonas.sch...@uni-wuerzburg.de>:
Hello everyone,
I believe I accidentally nuked all monitor of my cluster (please don't
ask how). Is there a way to recover from this desaster? I have a cephadm
setup.
I am very grateful for all help!
Best regards,
Jonas Schwab
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