changed set_prefix to set_prefix_raw

src/multicam/multicam3.js

@@ -86,7 +86,7 @@ var record_en =  0;
 var multicam_dir = "";
 var multicam_rperiod = 5.0; // image refresh period
 var multicam_speriod = 2.0; // status refresh period
-var use_file_system =  1; // no fast recording 
+var use_file_system =  0; // 1; // no fast recording 
 var rec_running_intvl;
 var refresh_status_intvl;
 var refresh_previews_intvl;
@@ -1398,7 +1398,7 @@ function updateConfifs(){ // write modified settings to the master camera persis
 
 function setDirMulti(){
 //    url = "camogm_interface.php?cmd=dir_prefix&name=" + multicam_dir;
-    url = "camogm_interface.php?cmd=set_prefix&name=" + multicam_dir; // can not mkdir before mounted
+    url = "camogm_interface.php?cmd=set_prefix_raw&name=" + multicam_dir; // can not mkdir before mounted
     console.log("setDirMulti(), url="+url);
     multi_ajax(url,function(){
     	console.log(this.ip+": dir_prefix " + multicam_dir);