Hi There,
We are replicating a 100TB RBD image to DR site. Replication works fine.
rbd --cluster cephdr mirror pool status nfs --verbose
health: OK
images: 1 total
1 replaying
dir_research:
global_id: 11e9cbb9-ce83-4e5e-a7fb-472af866ca2d
state: up+replaying
description: replaying, master_position=[object_number=591701, tag_tid=1, entry_tid=902879873], mirror_position=[object_number=446354, tag_tid=1, entry_tid=727653146], entries_behind_master=175226727
last_update: 2018-11-14 16:17:23
We then, use nbd to map the RBD image at the DR site but when we try to mount it, we get
# mount /dev/nbd2 /mnt
mount: block device /dev/nbd2 is write-protected, mounting read-only
mount: /dev/nbd2: can't read superblock
We are using 12.2.8.
Any help will be greatly appreciated.
Thanks,
-Vikas
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