On 4/10/25 10:01 AM, Jonas Schwab wrote:
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?

Depends on how really “nuked.” Are there monitor directories with data still under /var/lib/ceph/<fsid> by a chance? If so, monitors can be started simply as ceph-mon services, at least temporarily, by pointing to those directories.

--
Šarūnas Burdulis
Dartmouth Mathematics
math.dartmouth.edu/~sarunas

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