Re: [ceph-users] ceph snapshost

2015-12-08 Thread Jan Schermer
You don't really *have* to stop I/O. In fact, I recommend you don't unless you have to. The reason why this is recommended is to minimize the risk of data loss because the snapshot will be in a very similiar state as if you suddenly lost power to the server. Obviously if you need to have the sam

Re: [ceph-users] ceph snapshost

2015-12-08 Thread Yan, Zheng
On Wed, Dec 9, 2015 at 12:10 AM, Dan Nica wrote: > Hi guys, > > > > So from documentation I must stop the I/O before taking rbd snapshots, how > do I do that or what does that mean ? do I have to unmount > see fsfreeze(8) command > the rbd image ? > > > > -- > > Dan > > > __