Hi Dan Mick, Thank u for reply,actually 1.I want to create writable snapshot. 2.In that snapshot I want to insert data. 3.Is it possible to reuse snapshot. 4.And for this what version of ceph can I use. Thanks, Ramu. -- 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