diff --git a/Cargo.lock b/Cargo.lock
index c52b23e9..aa95ca26 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -323,6 +323,7 @@ dependencies = [
  "thiserror",
  "tokio",
  "tracing",
+ "tracing-error",
  "transform-stream",
  "url",
  "uuid",
@@ -1018,11 +1019,15 @@ checksum = "719b953e2095829ee67db738b3bfa9fa368c94900df327b3f07fe6e794d2fe1f"
 name = "rustfs"
 version = "0.1.0"
 dependencies = [
+ "async-trait",
  "clap",
  "ecstore",
  "hyper-util",
  "s3s",
+ "time",
  "tokio",
+ "tokio-util",
+ "tracing",
  "tracing-subscriber",
 ]
 
@@ -1362,6 +1367,16 @@ dependencies = [
  "valuable",
 ]
 
+[[package]]
+name = "tracing-error"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d686ec1c0f384b1277f097b2f279a2ecc11afe8c133c1aabf036a27cb4cd206e"
+dependencies = [
+ "tracing",
+ "tracing-subscriber",
+]
+
 [[package]]
 name = "tracing-log"
 version = "0.2.0"
diff --git a/ecstore/Cargo.toml b/ecstore/Cargo.toml
index d849326b..1a5153a9 100644
--- a/ecstore/Cargo.toml
+++ b/ecstore/Cargo.toml
@@ -25,3 +25,4 @@ netif = "0.1.6"
 async-trait = "0.1.80"
 s3s = "0.10.0"
 tracing.workspace = true
+tracing-error = "0.2.0"
diff --git a/ecstore/src/error.rs b/ecstore/src/error.rs
index 9a38f7e5..698a164c 100644
--- a/ecstore/src/error.rs
+++ b/ecstore/src/error.rs
@@ -1 +1,74 @@
+// use s3s::S3Error;
+// use s3s::S3ErrorCode;
+
+use std::panic::Location;
+
+use tracing::error;
+
 pub type StdError = Box<dyn std::error::Error + Send + Sync + 'static>;
+
+#[derive(Debug)]
+pub struct Error {
+    source: StdError,
+}
+
+pub type Result<T = (), E = Error> = std::result::Result<T, E>;
+
+impl Error {
+    #[must_use]
+    #[track_caller]
+    pub fn new(source: StdError) -> Self {
+        log(&*source);
+        Self { source }
+    }
+
+    #[must_use]
+    #[track_caller]
+    pub fn from_string(s: impl Into<String>) -> Self {
+        Self::new(s.into().into())
+    }
+}
+
+impl<E> From<E> for Error
+where
+    E: std::error::Error + Send + Sync + 'static,
+{
+    #[track_caller]
+    fn from(source: E) -> Self {
+        Self::new(Box::new(source))
+    }
+}
+
+// impl From<Error> for S3Error {
+//     fn from(e: Error) -> Self {
+//         S3Error::with_source(S3ErrorCode::InternalError, e.source)
+//     }
+// }
+
+#[inline]
+#[track_caller]
+pub(crate) fn log(source: &dyn std::error::Error) {
+    if cfg!(feature = "binary") {
+        let location = Location::caller();
+        let span_trace = tracing_error::SpanTrace::capture();
+
+        error!(
+            target: "s3s_fs_internal_error",
+            %location,
+            error=%source,
+            "span trace:\n{span_trace}"
+        );
+    }
+}
+
+macro_rules! try_ {
+    ($result:expr) => {
+        match $result {
+            Ok(val) => val,
+            Err(err) => {
+                $crate::error::log(&err);
+                return Err(::s3s::S3Error::internal_error(err));
+            }
+        }
+    };
+}
diff --git a/ecstore/src/lib.rs b/ecstore/src/lib.rs
index 4bcbcb3c..2321c314 100644
--- a/ecstore/src/lib.rs
+++ b/ecstore/src/lib.rs
@@ -2,7 +2,7 @@ mod disks_layout;
 mod ellipses;
 mod endpoint;
 mod erasure;
-mod error;
+pub mod error;
 pub mod s3;
 pub mod store;
 mod stream;
diff --git a/ecstore/src/store.rs b/ecstore/src/store.rs
index f73cd245..9bc3ee2b 100644
--- a/ecstore/src/store.rs
+++ b/ecstore/src/store.rs
@@ -1,19 +1,25 @@
+use uuid::Uuid;
+
 use super::endpoint::Endpoint;
-use crate::endpoint::EndpointServerPools;
+use super::error::Result;
 
 use std::fmt::Debug;
 
 #[derive(Debug)]
 pub struct ECStore {
     pub id: uuid::Uuid,
-    pub disks: Vec<Box<dyn DiskAPI>>,
+    // pub disks: Vec<Box<dyn DiskAPI>>,
     pub pools: Vec<Sets>,
     pub peer: Vec<String>,
 }
 
 impl ECStore {
-    pub fn new(endpoints: EndpointServerPools) {
-        unimplemented!()
+    pub fn new(endpoints: Vec<String>) -> Result<Self> {
+        Ok(ECStore {
+            id: Uuid::nil(),
+            pools: Vec::new(),
+            peer: Vec::new(),
+        })
     }
 }
 
diff --git a/rustfs/Cargo.toml b/rustfs/Cargo.toml
index 662d180d..cee3b6c4 100644
--- a/rustfs/Cargo.toml
+++ b/rustfs/Cargo.toml
@@ -11,21 +11,20 @@ rust-version.workspace = true
 
 [[bin]]
 name = "rustfs"
-required-features = ["binary"]
+# required-features = ["binary"]
 
 
-[features]
-binary = ["tokio/full", "dep:clap", "dep:tracing-subscriber", "dep:hyper-util"]
+# [features]
+# binary = ["tokio/full", "dep:clap", "dep:tracing-subscriber", "dep:hyper-util"]
 
 [dependencies]
 ecstore = { path = "../ecstore" }
-# time = { workspace = true, features = ["parsing", "formatting"] }
-# s3s = "0.10.0"
-hyper-util = { version = "0.1.5", optional = true, features = ["server-auto", "server-graceful", "http1", "http2", "tokio"] }
-tokio.workspace = true
-clap = { version = "4.5.7", optional = true, features = ["derive"] }
-# tracing.workspace = true
-# tokio-util.workspace = true
-tracing-subscriber = { version = "0.3.18", optional = true, features = ["env-filter", "time"] }
+time = { workspace = true, features = ["parsing", "formatting"] }
 s3s = "0.10.0"
-# async-trait = "0.1.80"
+hyper-util = { version = "0.1.5", features = ["server-auto", "server-graceful", "http1", "http2", "tokio"] }
+tokio.workspace = true
+clap = { version = "4.5.7", features = ["derive"] }
+tracing.workspace = true
+tokio-util.workspace = true
+tracing-subscriber = { version = "0.3.18", features = ["env-filter", "time"] }
+async-trait = "0.1.80"
diff --git a/rustfs/src/main.rs b/rustfs/src/main.rs
index 108da2e2..e49b09d6 100644
--- a/rustfs/src/main.rs
+++ b/rustfs/src/main.rs
@@ -1,8 +1,5 @@
-#![forbid(unsafe_code)]
-#![deny(clippy::all, clippy::pedantic)]
-
-use s3s_fs::FileSystem;
-use s3s_fs::Result;
+use ecstore::error::Result;
+use ecstore::store::ECStore;
 
 use s3s::auth::SimpleAuth;
 use s3s::service::S3ServiceBuilder;
@@ -26,23 +23,30 @@ struct Opt {
     host: String,
 
     /// Port number to listen on.
-    #[arg(long, default_value = "8014")] // The original design was finished on 2020-08-14.
+    #[arg(long, default_value = "9010")]
     port: u16,
 
     /// Access key used for authentication.
-    #[arg(long)]
+    #[arg(long, default_value = "AKEXAMPLERUSTFS")]
     access_key: Option<String>,
 
     /// Secret key used for authentication.
-    #[arg(long)]
+    #[arg(long, default_value = "SKEXAMPLERUSTFS")]
     secret_key: Option<String>,
 
     /// Domain name used for virtual-hosted-style requests.
     #[arg(long)]
     domain_name: Option<String>,
 
-    /// Root directory of stored data.
-    root: PathBuf,
+    #[arg(
+        required = true,
+        help = r#"DIR points to a directory on a filesystem. When you want to combine
+multiple drives into a single large system, pass one directory per
+filesystem separated by space. You may also use a '...' convention
+to abbreviate the directory arguments. Remote directories in a
+distributed setup are encoded as HTTP(s) URIs."#
+    )]
+    volumes: Vec<String>,
 }
 
 fn setup_tracing() {
@@ -89,11 +93,11 @@ fn main() -> Result {
 #[tokio::main]
 async fn run(opt: Opt) -> Result {
     // Setup S3 provider
-    let fs = FileSystem::new(opt.root)?;
+    let sto = ECStore::new(opt.volumes)?;
 
     // Setup S3 service
     let service = {
-        let mut b = S3ServiceBuilder::new(fs);
+        let mut b = S3ServiceBuilder::new(sto);
 
         // Enable authentication
         if let (Some(ak), Some(sk)) = (opt.access_key, opt.secret_key) {
diff --git a/scripts/run.sh b/scripts/run.sh
new file mode 100755
index 00000000..37864993
--- /dev/null
+++ b/scripts/run.sh
@@ -0,0 +1,18 @@
+#!/bin/bash
+DATA_DIR="/tmp"
+
+if [ -n "$1" ]; then
+	DATA_DIR="$1"
+fi
+
+if [ -z "$RUST_LOG" ]; then
+    export RUST_LOG="rustfs=debug"
+fi
+
+cargo run \
+    -- --access-key    AKEXAMPLERUSTFS    \
+    -- --secret-key    SKEXAMPLERUSTFS    \
+    -- --host          localhost       \
+    -- --port          9010            \
+    -- --domain-name   localhost:9010  \
+    "$DATA_DIR"