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Instead of storing the dmcrypt keys in the /etc/ceph/dmcrypt-keys directory, they are stored in the monitor. If a machine with OSDs created with ceph-disk prepare --dmcrypt is lost, it does not contain the key that would allow to decrypt their content. The dmcrypt key is retrieved from the monitor using a different keyring for each OSD. It is stored in a small partition called the lockbox. At boot time the lockbox is mounted /var/lib/ceph/osd-lockbox/$uuid and used when the $uuid partition is detected by udev to map it with cryptsetup. The OSDs that were prepared prior to the lockbox implementation are supported by looking up the key found in /etc/ceph/dmcrypt-keys before looking in /var/lib/ceph/osd-lockbox/$uuid. http://tracker.ceph.com/issues/14669 Fixes: #14669 Signed-off-by: Loic Dachary <loic@dachary.org> |
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50-rbd.rules | ||
60-ceph-partuuid-workaround.rules | ||
95-ceph-osd-alt.rules | ||
95-ceph-osd.rules |