4738 tape block number is set at wrong place
Reviewed by: Albert Lee <trisk@nexenta.com>
Approved by: Dan McDonald <danmcd@omniti.com>

@@ -761,10 +761,12 @@
         }
 
         (void) mutex_lock(&nlp->nlp_mtx);
         session->ns_mover.md_state = NDMP_MOVER_STATE_ACTIVE;
         session->ns_mover.md_pause_reason = NDMP_MOVER_PAUSE_NA;
+        /* The tape has been likely exchanged, reset tape block counter */
+        session->ns_tape.td_record_count = 0;
         (void) cond_broadcast(&nlp->nlp_cv);
         (void) mutex_unlock(&nlp->nlp_mtx);
 
         reply.error = NDMP_NO_ERR;
         ndmp_send_reply(connection, (void *) &reply,