Hi all! I'm having trouble creating OSDs on some boxes that once held Bluestore OSDs. I have rolled the ceph software back from 12.2.4 -> 10.2.9 on the boxes, but I'm running into this error when creating osds. 2018-06-12 22:32:42.700008 7fcaf39e2800 0 ceph version 10.2.9 (2ee413f77150c0f375ff6f10edd6c8f9c7d060d0), process ceph-osd, pid 414399 2018-06-12 22:32:42.700326 7fcaf39e2800 -1 bluestore(/dev/sdf1) _read_bdev_label unable to decode label at offset 102: buffer::malformed_input: void bluestore_bdev_label_t::decode(ceph::buffer::list::iterator&) decode past end of struct encoding 2018-06-12 22:32:42.703062 7fcaf39e2800 1 journal _open /dev/sdf1 fd 4: 104857600000 bytes, block size 4096 bytes, directio = 0, aio = 0 2018-06-12 22:32:42.703151 7fcaf39e2800 1 journal close /dev/sdf1 2018-06-12 22:32:42.703203 7fcaf39e2800 0 probe_block_device_fsid /dev/sdf1 is filestore, 00000000-0000-0000-0000-000000000000
I've tried: Wiping all drives with dd if=/dev/zero of=/dev/sdX bs=1M count=1000 running ceph-disk zap /dev/sdb /dev/sdf ceph-disk prepare /dev/sdb /dev/sdf The monitors are and will remain running 12.2.4, since I can't find a safe way to roll those back just yet. Any help would be appreciated. Thanks. -Brett
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