Ceph OSD fails to deploy when WAL and DB are both specified on the same device: "Device lists are not disjoint"

Solution Unverified - Updated -


  • When bootstrapping a Ceph cluster and specifying data_devices, db_devices, and wal_devices, the OSD creation will fail when the wal_devices and db_devices are the same.


  • Red Hat OpenStack Ceph 5.1

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