On Thu, 31 May 2012, Nam Dang wrote: > Dear all, > > I want to inquire on ceph's internal mounting mechanism. I am using > wip-java-cephfs API to access Ceph internal file system directly. > I want to create several threads that access cephFS simultaneously and > independently, i.e. the mounting in each thread is > independent from the other's, and there is no shared underlying data > structure. As far as I know, java-ceph does not use shared structure, > but I'm not so sure about the underlying code in libcephfs though. I'm > worried that it may be similar to Virtual File System layer, upon > which multiple threads can access concurrently but internally the > mounting point is shared. I hope somebody with experience with Ceph > can help me answer this question. Each ceph_create() call instantiates a new instance of the client, and nothing is shared between clients. This should get you the behavior you're after! Cheers- sage -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html