Hi,
Checkout rbd status <image>
For instance:
root@ceph5-1:~# rbd status vm-903-disk-1
Watchers:
watcher=10.5.0.39:0/866486904 client.522682726 cookie=140177351959424
This is the list of clients for that image
All mapping hosts are in it
On 4/7/20 6:46 PM, Void Star Nill wrote:
> Hello,
>
> Is there a way to find out all the clients where the volumes are mapped
> from a central point?
>
> We have a large fleet of machines that use ceph rbd volumes. For some
> maintenance purposes, we need to find out if a volume is mapped anywhere
> before acting on it. Right now we go and query each client machines with
> `rbd showmapped` commands. Is there a variant of this CLI that lists all
> mappings on a single node (ceph mon for instance)?
>
> Thanks,
> Shridhar
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