Re: No lock on RBD allow several mount on different servers...

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Am 12.08.2012 10:40, schrieb Sebastien HAN:

>>>>>>>
>>>>>>> With RBD images, the theory makes possible to mount them multiple
>>>>>>> times on different servers, of course **no one** wants that. If you
>>>>>>> care about the consistency of your data :D
>>>>>>> I was wondering if ceph has any lock ability on the RBD device like
>>>>>>> DRBD does with secondary resource. Apparently not, I was able to mount
>>>>>>> an image on multiple server and wrote data on both.
>>>>>>>
>>>>>>> Is this an incoming feature?
>>>>>>>
>>>>>>> I don't really know the difficulty level that this kind of feature
>>>>>>> implies, but it would be nice to have it.
>>>>>>>

I use ocfs2 ontop of mapped rbd images - works great.


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