diff --git a/archapp/src/archeng.rs b/archapp/src/archeng.rs
index 506a6a6..81bc567 100644
--- a/archapp/src/archeng.rs
+++ b/archapp/src/archeng.rs
@@ -11,6 +11,7 @@ use items::eventvalues::EventValues;
 use items::{RangeCompletableItem, StreamItem};
 use netpod::timeunits::SEC;
 use netpod::{log::*, ChannelArchiver, ChannelConfigQuery, ChannelConfigResponse, DataHeaderPos, FilePos, Nanos};
+use serde::Serialize;
 use std::convert::TryInto;
 use std::io::{self, SeekFrom};
 use std::path::PathBuf;
@@ -322,7 +323,7 @@ pub async fn read_file_basics(file: &mut File) -> Result<IndexFileBasics, Error>
     } else {
         panic!();
     };
-    info!("read_file_basics  w/o hashposs {:?}", ret);
+    trace!("read_file_basics  w/o hashposs {:?}", ret);
     {
         if ret.name_hash_anchor_len > 2000 {
             return Err(Error::with_msg_no_trace(format!(
@@ -881,7 +882,7 @@ async fn read_data_1(file: &mut File, datafile_header: &DatafileHeader) -> Resul
     let res = match &datafile_header.dbr_type {
         DbrType::DbrTimeDouble => {
             if datafile_header.dbr_count == 1 {
-                info!("~~~~~~~~~~~~~~~~~~~~~   read  scalar  DbrTimeDouble");
+                trace!("~~~~~~~~~~~~~~~~~~~~~   read  scalar  DbrTimeDouble");
                 let mut evs = EventValues {
                     tss: vec![],
                     values: vec![],
@@ -915,11 +916,16 @@ async fn read_data_1(file: &mut File, datafile_header: &DatafileHeader) -> Resul
                 let item = EventsItem::Plain(plain);
                 item
             } else {
-                // 1d shape
-                err::todoval()
+                let msg = format!("dbr_count {:?} not yet supported", datafile_header.dbr_count);
+                error!("{}", msg);
+                return Err(Error::with_msg_no_trace(msg));
             }
         }
-        _ => err::todoval(),
+        _ => {
+            let msg = format!("Type {:?} not yet supported", datafile_header.dbr_type);
+            error!("{}", msg);
+            return Err(Error::with_msg_no_trace(msg));
+        }
     };
     Ok(res)
 }
@@ -979,7 +985,9 @@ where
                 match tx.send(Err(e)).await {
                     Ok(_) => {}
                     Err(e) => {
-                        error!("wrap_task can not forward error: {:?}", e);
+                        if false {
+                            error!("wrap_task can not forward error: {:?}", e);
+                        }
                     }
                 };
             }
@@ -988,7 +996,14 @@ where
     taskrun::spawn(task);
 }
 
-pub fn list_all_channels(node: &ChannelArchiver) -> Receiver<Result<String, Error>> {
+#[derive(Debug, Serialize)]
+pub struct ListChannelItem {
+    name: String,
+    index_path: String,
+    matches: bool,
+}
+
+pub fn list_all_channels(node: &ChannelArchiver) -> Receiver<Result<ListChannelItem, Error>> {
     let node = node.clone();
     let (tx, rx) = async_channel::bounded(4);
     let tx2 = tx.clone();
@@ -996,18 +1011,31 @@ pub fn list_all_channels(node: &ChannelArchiver) -> Receiver<Result<String, Erro
         let mut ixf = list_index_files(&node);
         while let Some(f) = ixf.next().await {
             let index_path = f?;
-            if !index_path.to_str().unwrap().contains("archive_X02DA_LO/20130101/index") {
-                //continue;
-            }
-            info!("try to read for {:?}", index_path);
-            //continue;
-            let channels = channel_list(index_path).await?;
-            info!("list_all_channels  emit {} channels", channels.len());
+            //info!("try to read for {:?}", index_path);
+            let channels = channel_list(index_path.clone()).await?;
+            //info!("list_all_channels  emit {} channels", channels.len());
             for ch in channels {
-                tx.send(Ok(ch)).await?;
+                let mm = match ch.split("-").next() {
+                    Some(k) => {
+                        let dname = index_path.parent().unwrap().file_name().unwrap().to_str().unwrap();
+                        if dname.starts_with(&format!("archive_{}", k)) {
+                            true
+                        } else {
+                            false
+                        }
+                    }
+                    None => false,
+                };
+                let item = ListChannelItem {
+                    name: ch,
+                    index_path: index_path.to_str().unwrap().into(),
+                    matches: mm,
+                };
+                tx.send(Ok(item)).await?;
+                //info!("{:?}  parent {:?}  channel {}", index_path, index_path.parent(), ch);
+                //break;
             }
         }
-        info!("list_all_channels DONE");
         Ok::<_, Error>(())
     };
     wrap_task(task, tx2);
diff --git a/archapp/src/archeng/datablockstream.rs b/archapp/src/archeng/datablockstream.rs
index 77416c5..fbca50c 100644
--- a/archapp/src/archeng/datablockstream.rs
+++ b/archapp/src/archeng/datablockstream.rs
@@ -32,7 +32,9 @@ async fn datablock_stream(
         Err(e) => match tx.send(Err(e)).await {
             Ok(_) => {}
             Err(e) => {
-                error!("can not forward error: {:?}", e);
+                if false {
+                    error!("can not send. error: {}", e);
+                }
             }
         },
     }
@@ -55,6 +57,7 @@ async fn datablock_stream_inner(
             "search for {:?} with basename: {}  in path {:?}",
             channel, basename, base
         );
+        // TODO need to try both:
         let index_path = base.join(format!("archive_{}_SH", basename)).join("index");
         let res = open_read(index_path.clone()).await;
         debug!("tried to open index file: {:?}", res);
diff --git a/httpret/src/lib.rs b/httpret/src/lib.rs
index 0520401..81d2a75 100644
--- a/httpret/src/lib.rs
+++ b/httpret/src/lib.rs
@@ -682,11 +682,9 @@ pub async fn update_search_cache(req: Request<Body>, node_config: &NodeConfigCac
 }
 
 pub async fn channel_config(req: Request<Body>, node_config: &NodeConfigCached) -> Result<Response<Body>, Error> {
-    info!("channel_config");
     let url = Url::parse(&format!("dummy:{}", req.uri()))?;
     //let pairs = get_url_query_pairs(&url);
     let q = ChannelConfigQuery::from_url(&url)?;
-    info!("ChannelConfigQuery {:?}", q);
     let conf = if let Some(conf) = &node_config.node.channel_archiver {
         archapp_wrap::archapp::archeng::channel_config(&q, conf).await?
     } else if let Some(conf) = &node_config.node.archiver_appliance {