When we say "mount" we are usually referring to a file system. Mounting a non shared filesystem on multiple hosts concurrently will certainly break things since each non shared filesystem host thinks it has exclusive access. Of course this is not true if a shared / clustered filesystem is deployed.
If what you mean is "map" a RBD device to multiple hosts concurrently then of course this by itself is fine. It's just a block device.
However it's what you do above the block layer that matters.
Hope this helps.
Best Regards
Wade
On Mon, Dec 21, 2015 at 5:41 AM Dan Nica <dan.nica@xxxxxxxxxxxxxxxxxxxx> wrote:
_______________________________________________Hi,
Is it possible/safe to mount a rbd image and use it on multiple clients will this break anything ?
Thanks,
Dan
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