diff --git a/ecstore/src/bitrot.rs b/ecstore/src/bitrot.rs
index 21ceb5b67..b69ef859d 100644
--- a/ecstore/src/bitrot.rs
+++ b/ecstore/src/bitrot.rs
@@ -1,9 +1,5 @@
 use crate::{
-    disk::{
-        error::DiskError,
-        io::{FileReader, FileWriter},
-        Disk, DiskAPI,
-    },
+    disk::{error::DiskError, Disk, DiskAPI, FileReader, FileWriter},
     erasure::{ReadAt, Writer},
     error::{Error, Result},
     store_api::BitrotAlgorithm,
@@ -488,23 +484,45 @@ pub async fn bitrot_verify(
 // }
 
 pub struct BitrotFileWriter {
-    pub inner: FileWriter,
+    inner: Option<FileWriter>,
     hasher: Hasher,
     _shard_size: usize,
+    inline: bool,
+    inline_data: Vec<u8>,
 }
 
 impl BitrotFileWriter {
-    pub fn new(inner: FileWriter, algo: BitrotAlgorithm, _shard_size: usize) -> Self {
+    pub async fn new(
+        disk: Arc<Disk>,
+        volume: &str,
+        path: &str,
+        inline: bool,
+        algo: BitrotAlgorithm,
+        _shard_size: usize,
+    ) -> Result<Self> {
+        let inner = if !inline {
+            Some(disk.create_file("", volume, path, 0).await?)
+        } else {
+            None
+        };
+
         let hasher = algo.new_hasher();
-        Self {
+
+        Ok(Self {
             inner,
+            inline,
+            inline_data: Vec::new(),
             hasher,
             _shard_size,
-        }
+        })
     }
 
-    pub fn writer(&self) -> &FileWriter {
-        &self.inner
+    // pub fn writer(&self) -> &FileWriter {
+    //     &self.inner
+    // }
+
+    pub fn inline_data(&self) -> &[u8] {
+        &self.inline_data
     }
 }
 
@@ -521,18 +539,43 @@ impl Writer for BitrotFileWriter {
         self.hasher.reset();
         self.hasher.update(buf);
         let hash_bytes = self.hasher.clone().finalize();
-        let _ = self.inner.write_all(&hash_bytes).await?;
-        let _ = self.inner.write_all(buf).await?;
+
+        if let Some(f) = self.inner.as_mut() {
+            f.write_all(&hash_bytes).await?;
+            f.write_all(buf).await?;
+        } else {
+            self.inline_data.extend_from_slice(&hash_bytes);
+            self.inline_data.extend_from_slice(buf);
+        }
+
+        Ok(())
+    }
+    async fn close(&mut self) -> Result<()> {
+        if self.inline {
+            return Ok(());
+        }
+
+        if let Some(f) = self.inner.as_mut() {
+            f.shutdown().await?;
+        }
 
         Ok(())
     }
 }
 
-pub fn new_bitrot_filewriter(inner: FileWriter, algo: BitrotAlgorithm, shard_size: usize) -> BitrotWriter {
-    Box::new(BitrotFileWriter::new(inner, algo, shard_size))
+pub async fn new_bitrot_filewriter(
+    disk: Arc<Disk>,
+    volume: &str,
+    path: &str,
+    inline: bool,
+    algo: BitrotAlgorithm,
+    shard_size: usize,
+) -> Result<BitrotWriter> {
+    let w = BitrotFileWriter::new(disk, volume, path, inline, algo, shard_size).await?;
+
+    Ok(Box::new(w))
 }
 
-#[derive(Debug)]
 struct BitrotFileReader {
     disk: Arc<Disk>,
     data: Option<Vec<u8>>,
@@ -599,7 +642,7 @@ impl ReadAt for BitrotFileReader {
             let stream_offset = (offset / self.shard_size) * self.hasher.size() + offset;
 
             if let Some(data) = self.data.clone() {
-                self.reader = Some(FileReader::Buffer(Cursor::new(data)));
+                self.reader = Some(Box::new(Cursor::new(data)));
             } else {
                 self.reader = Some(
                     self.disk
diff --git a/ecstore/src/disk/io.rs b/ecstore/src/disk/io.rs
index 981c6ddde..c0360050e 100644
--- a/ecstore/src/disk/io.rs
+++ b/ecstore/src/disk/io.rs
@@ -1,169 +1,27 @@
 use crate::error::Result;
 use futures::TryStreamExt;
-use std::io::Cursor;
 use std::pin::Pin;
 use std::task::Poll;
-use tokio::fs::File;
-use tokio::io::{AsyncRead, AsyncWrite};
+use tokio::io::AsyncWrite;
+use tokio::sync::oneshot;
 use tokio_util::io::ReaderStream;
 use tokio_util::io::StreamReader;
 use tracing::error;
 use tracing::warn;
 
-#[derive(Debug)]
-pub enum FileReader {
-    Local(File),
-    // Remote(RemoteFileReader),
-    Buffer(Cursor<Vec<u8>>),
-    Http(HttpFileReader),
-}
-
-impl AsyncRead for FileReader {
-    #[tracing::instrument(level = "debug", skip(self, buf))]
-    fn poll_read(
-        mut self: Pin<&mut Self>,
-        cx: &mut std::task::Context<'_>,
-        buf: &mut tokio::io::ReadBuf<'_>,
-    ) -> std::task::Poll<std::result::Result<(), std::io::Error>> {
-        match &mut *self {
-            Self::Local(reader) => Pin::new(reader).poll_read(cx, buf),
-            Self::Buffer(reader) => Pin::new(reader).poll_read(cx, buf),
-            Self::Http(reader) => Pin::new(reader).poll_read(cx, buf),
-        }
-    }
-}
-
-#[derive(Debug)]
-pub struct HttpFileReader {
-    // client: reqwest::Client,
-    // url: String,
-    // disk: String,
-    // volume: String,
-    // path: String,
-    // offset: usize,
-    // length: usize,
-    inner: tokio::io::DuplexStream,
-    // buf: Vec<u8>,
-    // pos: usize,
-}
-
-impl HttpFileReader {
-    pub fn new(url: &str, disk: &str, volume: &str, path: &str, offset: usize, length: usize) -> Result<Self> {
-        warn!("http read start {}", path);
-        let url = url.to_owned();
-        let disk = disk.to_owned();
-        let volume = volume.to_owned();
-        let path = path.to_owned();
-
-        // let (reader, mut writer) = tokio::io::simplex(1024);
-        let (reader, mut writer) = tokio::io::duplex(1024 * 1024 * 10);
-
-        tokio::spawn(async move {
-            let client = reqwest::Client::new();
-            let resp = match client
-                .get(format!(
-                    "{}/rustfs/rpc/read_file_stream?disk={}&volume={}&path={}&offset={}&length={}",
-                    url,
-                    urlencoding::encode(&disk),
-                    urlencoding::encode(&volume),
-                    urlencoding::encode(&path),
-                    offset,
-                    length
-                ))
-                .send()
-                .await
-                .map_err(|e| std::io::Error::new(std::io::ErrorKind::Other, e))
-            {
-                Ok(resp) => resp,
-                Err(err) => {
-                    warn!("http file reader error: {}", err);
-                    return;
-                }
-            };
-
-            let mut rd = StreamReader::new(
-                resp.bytes_stream()
-                    .map_err(|e| std::io::Error::new(std::io::ErrorKind::Other, e)),
-            );
-
-            if let Err(err) = tokio::io::copy(&mut rd, &mut writer).await {
-                error!("http file reader copy error: {}", err);
-            };
-        });
-        Ok(Self {
-            // client: reqwest::Client::new(),
-            // url: url.to_string(),
-            // disk: disk.to_string(),
-            // volume: volume.to_string(),
-            // path: path.to_string(),
-            // offset,
-            // length,
-            inner: reader,
-            // buf: Vec::new(),
-            // pos: 0,
-        })
-    }
-}
-
-impl AsyncRead for HttpFileReader {
-    #[tracing::instrument(level = "debug", skip(self, buf))]
-    fn poll_read(
-        mut self: Pin<&mut Self>,
-        cx: &mut std::task::Context<'_>,
-        buf: &mut tokio::io::ReadBuf<'_>,
-    ) -> std::task::Poll<std::result::Result<(), std::io::Error>> {
-        Pin::new(&mut self.inner).poll_read(cx, buf)
-    }
-}
-
-#[derive(Debug)]
-pub enum FileWriter {
-    Local(File),
-    Http(HttpFileWriter),
-    Buffer(Cursor<Vec<u8>>),
-}
-
-impl AsyncWrite for FileWriter {
-    #[tracing::instrument(level = "debug", skip(self, buf))]
-    fn poll_write(
-        mut self: Pin<&mut Self>,
-        cx: &mut std::task::Context<'_>,
-        buf: &[u8],
-    ) -> Poll<std::result::Result<usize, std::io::Error>> {
-        match &mut *self {
-            Self::Local(writer) => Pin::new(writer).poll_write(cx, buf),
-            Self::Buffer(writer) => Pin::new(writer).poll_write(cx, buf),
-            Self::Http(writer) => Pin::new(writer).poll_write(cx, buf),
-        }
-    }
-
-    #[tracing::instrument(level = "debug", skip(self))]
-    fn poll_flush(mut self: Pin<&mut Self>, cx: &mut std::task::Context<'_>) -> Poll<std::result::Result<(), std::io::Error>> {
-        match &mut *self {
-            Self::Local(writer) => Pin::new(writer).poll_flush(cx),
-            Self::Buffer(writer) => Pin::new(writer).poll_flush(cx),
-            Self::Http(writer) => Pin::new(writer).poll_flush(cx),
-        }
-    }
-
-    #[tracing::instrument(level = "debug", skip(self))]
-    fn poll_shutdown(mut self: Pin<&mut Self>, cx: &mut std::task::Context<'_>) -> Poll<std::result::Result<(), std::io::Error>> {
-        match &mut *self {
-            Self::Local(writer) => Pin::new(writer).poll_shutdown(cx),
-            Self::Buffer(writer) => Pin::new(writer).poll_shutdown(cx),
-            Self::Http(writer) => Pin::new(writer).poll_shutdown(cx),
-        }
-    }
-}
+use super::FileReader;
 
 #[derive(Debug)]
 pub struct HttpFileWriter {
     wd: tokio::io::WriteHalf<tokio::io::SimplexStream>,
+    err_rx: oneshot::Receiver<std::io::Error>,
 }
 
 impl HttpFileWriter {
     pub fn new(url: &str, disk: &str, volume: &str, path: &str, size: usize, append: bool) -> Result<Self> {
-        let (rd, wd) = tokio::io::simplex(1024 * 1024 * 10);
+        let (rd, wd) = tokio::io::simplex(4096);
+
+        let (err_tx, err_rx) = oneshot::channel::<std::io::Error>();
 
         let body = reqwest::Body::wrap_stream(ReaderStream::new(rd));
 
@@ -187,18 +45,22 @@ impl HttpFileWriter {
                 .body(body)
                 .send()
                 .await
+                .map_err(|e| std::io::Error::new(std::io::ErrorKind::Other, e))
             {
                 error!("HttpFileWriter put file err: {:?}", err);
+
+                if let Err(er) = err_tx.send(err) {
+                    error!("HttpFileWriter tx.send err: {:?}", er);
+                }
                 // return;
             }
 
-            // TODO: handle response
-
-            // debug!("http write done {}", path);
+            // error!("http write done {}", path);
         });
 
         Ok(Self {
             wd,
+            err_rx,
             // client: reqwest::Client::new(),
             // url: url.to_string(),
             // disk: disk.to_string(),
@@ -214,6 +76,10 @@ impl AsyncWrite for HttpFileWriter {
         cx: &mut std::task::Context<'_>,
         buf: &[u8],
     ) -> Poll<std::result::Result<usize, std::io::Error>> {
+        if let Ok(err) = self.as_mut().err_rx.try_recv() {
+            return Poll::Ready(Err(err));
+        }
+
         Pin::new(&mut self.wd).poll_write(cx, buf)
     }
 
@@ -227,3 +93,29 @@ impl AsyncWrite for HttpFileWriter {
         Pin::new(&mut self.wd).poll_shutdown(cx)
     }
 }
+
+pub async fn new_http_reader(
+    url: &str,
+    disk: &str,
+    volume: &str,
+    path: &str,
+    offset: usize,
+    length: usize,
+) -> Result<FileReader> {
+    let resp = reqwest::Client::new()
+        .get(format!(
+            "{}/rustfs/rpc/read_file_stream?disk={}&volume={}&path={}&offset={}&length={}",
+            url,
+            urlencoding::encode(disk),
+            urlencoding::encode(volume),
+            urlencoding::encode(path),
+            offset,
+            length
+        ))
+        .send()
+        .await?;
+
+    let inner = StreamReader::new(resp.bytes_stream().map_err(std::io::Error::other));
+
+    Ok(Box::new(inner))
+}
diff --git a/ecstore/src/disk/local.rs b/ecstore/src/disk/local.rs
index 013be96aa..4690450cd 100644
--- a/ecstore/src/disk/local.rs
+++ b/ecstore/src/disk/local.rs
@@ -745,7 +745,7 @@ impl LocalDisk {
 
         let meta = file.metadata().await?;
 
-        bitrot_verify(FileReader::Local(file), meta.size() as usize, part_size, algo, sum.to_vec(), shard_size).await
+        bitrot_verify(Box::new(file), meta.size() as usize, part_size, algo, sum.to_vec(), shard_size).await
     }
 
     async fn scan_dir<W: AsyncWrite + Unpin>(
@@ -1314,7 +1314,7 @@ impl DiskAPI for LocalDisk {
         let src_file_path = src_volume_dir.join(Path::new(src_path));
         let dst_file_path = dst_volume_dir.join(Path::new(dst_path));
 
-        warn!("rename_part src_file_path:{:?}, dst_file_path:{:?}", &src_file_path, &dst_file_path);
+        // warn!("rename_part src_file_path:{:?}, dst_file_path:{:?}", &src_file_path, &dst_file_path);
 
         check_path_length(src_file_path.to_string_lossy().as_ref())?;
         check_path_length(dst_file_path.to_string_lossy().as_ref())?;
@@ -1471,7 +1471,7 @@ impl DiskAPI for LocalDisk {
 
     #[tracing::instrument(level = "debug", skip(self))]
     async fn create_file(&self, origvolume: &str, volume: &str, path: &str, _file_size: usize) -> Result<FileWriter> {
-        warn!("disk create_file: origvolume: {}, volume: {}, path: {}", origvolume, volume, path);
+        // warn!("disk create_file: origvolume: {}, volume: {}, path: {}", origvolume, volume, path);
 
         if !origvolume.is_empty() {
             let origvolume_dir = self.get_bucket_path(origvolume)?;
@@ -1495,7 +1495,7 @@ impl DiskAPI for LocalDisk {
             .await
             .map_err(os_err_to_file_err)?;
 
-        Ok(FileWriter::Local(f))
+        Ok(Box::new(f))
 
         // Ok(())
     }
@@ -1517,7 +1517,7 @@ impl DiskAPI for LocalDisk {
 
         let f = self.open_file(file_path, O_CREATE | O_APPEND | O_WRONLY, volume_dir).await?;
 
-        Ok(FileWriter::Local(f))
+        Ok(Box::new(f))
     }
 
     // TODO: io verifier
@@ -1552,7 +1552,7 @@ impl DiskAPI for LocalDisk {
             }
         })?;
 
-        Ok(FileReader::Local(f))
+        Ok(Box::new(f))
     }
 
     #[tracing::instrument(level = "debug", skip(self))]
@@ -1603,7 +1603,7 @@ impl DiskAPI for LocalDisk {
 
         f.seek(SeekFrom::Start(offset as u64)).await?;
 
-        Ok(FileReader::Local(f))
+        Ok(Box::new(f))
     }
     #[tracing::instrument(level = "debug", skip(self))]
     async fn list_dir(&self, origvolume: &str, volume: &str, dir_path: &str, count: i32) -> Result<Vec<String>> {
@@ -2291,6 +2291,9 @@ impl DiskAPI for LocalDisk {
         self.scanning.fetch_add(1, Ordering::SeqCst);
         defer!(|| { self.scanning.fetch_sub(1, Ordering::SeqCst) });
 
+        // must befor metadata_sys
+        let Some(store) = new_object_layer_fn() else { return Err(Error::msg("errServerNotInitialized")) };
+
         // Check if the current bucket has replication configuration
         if let Ok((rcfg, _)) = metadata_sys::get_replication_config(&cache.info.name).await {
             if has_active_rules(&rcfg, "", true) {
@@ -2298,7 +2301,6 @@ impl DiskAPI for LocalDisk {
             }
         }
 
-        let Some(store) = new_object_layer_fn() else { return Err(Error::msg("errServerNotInitialized")) };
         let loc = self.get_disk_location();
         let disks = store.get_disks(loc.pool_idx.unwrap(), loc.disk_idx.unwrap()).await?;
         let disk = Arc::new(LocalDisk::new(&self.endpoint(), false).await?);
diff --git a/ecstore/src/disk/mod.rs b/ecstore/src/disk/mod.rs
index dcf719f29..a708977ee 100644
--- a/ecstore/src/disk/mod.rs
+++ b/ecstore/src/disk/mod.rs
@@ -29,14 +29,16 @@ use crate::{
 };
 use endpoint::Endpoint;
 use error::DiskError;
-use io::{FileReader, FileWriter};
 use local::LocalDisk;
 use madmin::info_commands::DiskMetrics;
 use remote::RemoteDisk;
 use serde::{Deserialize, Serialize};
 use std::{cmp::Ordering, fmt::Debug, path::PathBuf, sync::Arc};
 use time::OffsetDateTime;
-use tokio::{io::AsyncWrite, sync::mpsc::Sender};
+use tokio::{
+    io::{AsyncRead, AsyncWrite},
+    sync::mpsc::Sender,
+};
 use tracing::info;
 use tracing::warn;
 use uuid::Uuid;
@@ -372,6 +374,9 @@ pub async fn new_disk(ep: &endpoint::Endpoint, opt: &DiskOption) -> Result<DiskS
     }
 }
 
+pub type FileReader = Box<dyn AsyncRead + Send + Sync + Unpin>;
+pub type FileWriter = Box<dyn AsyncWrite + Send + Sync + Unpin>;
+
 #[async_trait::async_trait]
 pub trait DiskAPI: Debug + Send + Sync + 'static {
     fn to_string(&self) -> String;
diff --git a/ecstore/src/disk/remote.rs b/ecstore/src/disk/remote.rs
index 8528ac1ee..17c4c9926 100644
--- a/ecstore/src/disk/remote.rs
+++ b/ecstore/src/disk/remote.rs
@@ -22,9 +22,9 @@ use tracing::info;
 use uuid::Uuid;
 
 use super::{
-    endpoint::Endpoint, io::HttpFileReader, CheckPartsResp, DeleteOptions, DiskAPI, DiskInfo, DiskInfoOptions, DiskLocation,
-    DiskOption, FileInfoVersions, FileReader, FileWriter, ReadMultipleReq, ReadMultipleResp, ReadOptions, RenameDataResp,
-    UpdateMetadataOpts, VolumeInfo, WalkDirOptions,
+    endpoint::Endpoint, CheckPartsResp, DeleteOptions, DiskAPI, DiskInfo, DiskInfoOptions, DiskLocation, DiskOption,
+    FileInfoVersions, FileReader, FileWriter, ReadMultipleReq, ReadMultipleResp, ReadOptions, RenameDataResp, UpdateMetadataOpts,
+    VolumeInfo, WalkDirOptions,
 };
 use crate::{
     disk::error::DiskError,
@@ -36,7 +36,10 @@ use crate::{
     },
     store_api::{FileInfo, RawFileInfo},
 };
-use crate::{disk::io::HttpFileWriter, utils::proto_err_to_err};
+use crate::{
+    disk::io::{new_http_reader, HttpFileWriter},
+    utils::proto_err_to_err,
+};
 use crate::{disk::MetaCacheEntry, metacache::writer::MetacacheWriter};
 use protos::proto_gen::node_service::RenamePartRequst;
 
@@ -316,7 +319,7 @@ impl DiskAPI for RemoteDisk {
     #[tracing::instrument(level = "debug", skip(self))]
     async fn create_file(&self, _origvolume: &str, volume: &str, path: &str, file_size: usize) -> Result<FileWriter> {
         info!("create_file");
-        Ok(FileWriter::Http(HttpFileWriter::new(
+        Ok(Box::new(HttpFileWriter::new(
             self.endpoint.grid_host().as_str(),
             self.endpoint.to_string().as_str(),
             volume,
@@ -329,7 +332,7 @@ impl DiskAPI for RemoteDisk {
     #[tracing::instrument(level = "debug", skip(self))]
     async fn append_file(&self, volume: &str, path: &str) -> Result<FileWriter> {
         info!("append_file");
-        Ok(FileWriter::Http(HttpFileWriter::new(
+        Ok(Box::new(HttpFileWriter::new(
             self.endpoint.grid_host().as_str(),
             self.endpoint.to_string().as_str(),
             volume,
@@ -342,26 +345,20 @@ impl DiskAPI for RemoteDisk {
     #[tracing::instrument(level = "debug", skip(self))]
     async fn read_file(&self, volume: &str, path: &str) -> Result<FileReader> {
         info!("read_file");
-        Ok(FileReader::Http(HttpFileReader::new(
-            self.endpoint.grid_host().as_str(),
-            self.endpoint.to_string().as_str(),
-            volume,
-            path,
-            0,
-            0,
-        )?))
+        Ok(new_http_reader(self.endpoint.grid_host().as_str(), self.endpoint.to_string().as_str(), volume, path, 0, 0).await?)
     }
 
     #[tracing::instrument(level = "debug", skip(self))]
     async fn read_file_stream(&self, volume: &str, path: &str, offset: usize, length: usize) -> Result<FileReader> {
-        Ok(FileReader::Http(HttpFileReader::new(
+        Ok(new_http_reader(
             self.endpoint.grid_host().as_str(),
             self.endpoint.to_string().as_str(),
             volume,
             path,
             offset,
             length,
-        )?))
+        )
+        .await?)
     }
 
     async fn list_dir(&self, _origvolume: &str, volume: &str, _dir_path: &str, _count: i32) -> Result<Vec<String>> {
diff --git a/ecstore/src/erasure.rs b/ecstore/src/erasure.rs
index f068b1098..0056d4bf6 100644
--- a/ecstore/src/erasure.rs
+++ b/ecstore/src/erasure.rs
@@ -6,7 +6,6 @@ use futures::future::join_all;
 use futures::{pin_mut, Stream, StreamExt};
 use reed_solomon_erasure::galois_8::ReedSolomon;
 use std::any::Any;
-use std::fmt::Debug;
 use std::io::ErrorKind;
 use tokio::io::DuplexStream;
 use tokio::io::{AsyncReadExt, AsyncWriteExt};
@@ -500,11 +499,10 @@ pub trait Writer {
 }
 
 #[async_trait::async_trait]
-pub trait ReadAt: Debug {
+pub trait ReadAt {
     async fn read_at(&mut self, offset: usize, length: usize) -> Result<(Vec<u8>, usize)>;
 }
 
-#[derive(Debug)]
 pub struct ShardReader {
     readers: Vec<Option<BitrotReader>>, // 磁盘
     data_block_count: usize,            // 总的分片数量
diff --git a/ecstore/src/set_disk.rs b/ecstore/src/set_disk.rs
index d1ef1de4e..e91907bc2 100644
--- a/ecstore/src/set_disk.rs
+++ b/ecstore/src/set_disk.rs
@@ -14,7 +14,6 @@ use crate::{
         endpoint::Endpoint,
         error::{is_all_not_found, DiskError},
         format::FormatV3,
-        io::{FileReader, FileWriter},
         new_disk, CheckPartsResp, DeleteOptions, DiskAPI, DiskInfo, DiskInfoOptions, DiskOption, DiskStore, FileInfoVersions,
         MetaCacheEntries, MetaCacheEntry, MetadataResolutionParams, ReadMultipleReq, ReadMultipleResp, ReadOptions,
         UpdateMetadataOpts, RUSTFS_META_BUCKET, RUSTFS_META_MULTIPART_BUCKET, RUSTFS_META_TMP_BUCKET,
@@ -636,7 +635,7 @@ impl SetDisks {
     }
 
     fn get_upload_id_dir(bucket: &str, object: &str, upload_id: &str) -> String {
-        warn!("get_upload_id_dir upload_id {:?}", upload_id);
+        // warn!("get_upload_id_dir upload_id {:?}", upload_id);
 
         let upload_uuid = base64_decode(upload_id.as_bytes())
             .and_then(|v| {
@@ -2450,21 +2449,25 @@ impl SetDisks {
 
                                 for disk in out_dated_disks.iter() {
                                     if let Some(disk) = disk {
-                                        let filewriter = {
-                                            if is_inline_buffer {
-                                                FileWriter::Buffer(Cursor::new(Vec::new()))
-                                            } else {
-                                                let disk = disk.clone();
-                                                let part_path = format!("{}/{}/part.{}", tmp_id, dst_data_dir, part.number);
-                                                disk.create_file("", RUSTFS_META_TMP_BUCKET, &part_path, 0).await?
-                                            }
-                                        };
+                                        // let filewriter = {
+                                        //     if is_inline_buffer {
+                                        //         Box::new(Cursor::new(Vec::new()))
+                                        //     } else {
+                                        //         let disk = disk.clone();
+                                        //         let part_path = format!("{}/{}/part.{}", tmp_id, dst_data_dir, part.number);
+                                        //         disk.create_file("", RUSTFS_META_TMP_BUCKET, &part_path, 0).await?
+                                        //     }
+                                        // };
 
                                         let writer = new_bitrot_filewriter(
-                                            filewriter,
+                                            disk.clone(),
+                                            RUSTFS_META_TMP_BUCKET,
+                                            format!("{}/{}/part.{}", tmp_id, dst_data_dir, part.number).as_str(),
+                                            is_inline_buffer,
                                             DEFAULT_BITROT_ALGO,
                                             erasure.shard_size(erasure.block_size),
-                                        );
+                                        )
+                                        .await?;
 
                                         writers.push(Some(writer));
                                     } else {
@@ -2500,9 +2503,7 @@ impl SetDisks {
                                     if is_inline_buffer {
                                         if let Some(ref writer) = writers[index] {
                                             if let Some(w) = writer.as_any().downcast_ref::<BitrotFileWriter>() {
-                                                if let FileWriter::Buffer(buffer_writer) = w.writer() {
-                                                    parts_metadata[index].data = Some(buffer_writer.clone().into_inner());
-                                                }
+                                                parts_metadata[index].data = Some(w.inline_data().to_vec());
                                             }
                                         }
                                         parts_metadata[index].set_inline_data();
@@ -3742,17 +3743,25 @@ impl ObjectIO for SetDisks {
 
         for disk_op in shuffle_disks.iter() {
             if let Some(disk) = disk_op {
-                let filewriter = {
-                    if is_inline_buffer {
-                        FileWriter::Buffer(Cursor::new(Vec::new()))
-                    } else {
-                        let disk = disk.clone();
+                // let filewriter = {
+                //     if is_inline_buffer {
+                //         Box::new(Cursor::new(Vec::new()))
+                //     } else {
+                //         let disk = disk.clone();
 
-                        disk.create_file("", RUSTFS_META_TMP_BUCKET, &tmp_object, 0).await?
-                    }
-                };
+                //         disk.create_file("", RUSTFS_META_TMP_BUCKET, &tmp_object, 0).await?
+                //     }
+                // };
 
-                let writer = new_bitrot_filewriter(filewriter, DEFAULT_BITROT_ALGO, erasure.shard_size(erasure.block_size));
+                let writer = new_bitrot_filewriter(
+                    disk.clone(),
+                    RUSTFS_META_TMP_BUCKET,
+                    &tmp_object,
+                    is_inline_buffer,
+                    DEFAULT_BITROT_ALGO,
+                    erasure.shard_size(erasure.block_size),
+                )
+                .await?;
 
                 writers.push(Some(writer));
             } else {
@@ -3760,8 +3769,6 @@ impl ObjectIO for SetDisks {
             }
         }
 
-        warn!("put_object data.content_length {}", data.content_length);
-
         // TODO: etag from header
         let mut etag_stream = EtagReader::new(&mut data.stream, None, None);
 
@@ -3769,6 +3776,10 @@ impl ObjectIO for SetDisks {
             .encode(&mut etag_stream, &mut writers, data.content_length, write_quorum)
             .await?; // TODO: 出错，删除临时目录
 
+        if let Err(err) = close_bitrot_writers(&mut writers).await {
+            error!("close_bitrot_writers err {:?}", err);
+        }
+
         let etag = etag_stream.etag();
         //TODO: userDefined
 
@@ -3790,9 +3801,7 @@ impl ObjectIO for SetDisks {
             if is_inline_buffer {
                 if let Some(ref writer) = writers[i] {
                     if let Some(w) = writer.as_any().downcast_ref::<BitrotFileWriter>() {
-                        if let FileWriter::Buffer(buffer_writer) = w.writer() {
-                            fi.data = Some(buffer_writer.clone().into_inner());
-                        }
+                        fi.data = Some(w.inline_data().to_vec());
                     }
                 }
             }
@@ -4089,7 +4098,7 @@ impl StorageAPI for SetDisks {
 
         for errs in results.into_iter().flatten() {
             // TODO: handle err reduceWriteQuorumErrs
-            for err in errs.iter() {
+            for err in errs.iter().flatten() {
                 warn!("result err {:?}", err);
             }
         }
@@ -4327,10 +4336,18 @@ impl StorageAPI for SetDisks {
         for disk in disks.iter() {
             if let Some(disk) = disk {
                 // let writer = disk.append_file(RUSTFS_META_TMP_BUCKET, &tmp_part_path).await?;
-                let filewriter = disk
-                    .create_file("", RUSTFS_META_TMP_BUCKET, &tmp_part_path, data.content_length)
-                    .await?;
-                let writer = new_bitrot_filewriter(filewriter, DEFAULT_BITROT_ALGO, erasure.shard_size(erasure.block_size));
+                // let filewriter = disk
+                //     .create_file("", RUSTFS_META_TMP_BUCKET, &tmp_part_path, data.content_length)
+                //     .await?;
+                let writer = new_bitrot_filewriter(
+                    disk.clone(),
+                    RUSTFS_META_TMP_BUCKET,
+                    &tmp_part_path,
+                    false,
+                    DEFAULT_BITROT_ALGO,
+                    erasure.shard_size(erasure.block_size),
+                )
+                .await?;
                 writers.push(Some(writer));
             } else {
                 writers.push(None);
@@ -4345,6 +4362,10 @@ impl StorageAPI for SetDisks {
             .encode(&mut etag_stream, &mut writers, data.content_length, write_quorum)
             .await?;
 
+        if let Err(err) = close_bitrot_writers(&mut writers).await {
+            error!("close_bitrot_writers err {:?}", err);
+        }
+
         let mut etag = etag_stream.etag();
 
         if let Some(ref tag) = opts.preserve_etag {
@@ -5248,7 +5269,7 @@ async fn disks_with_all_parts(
                 let checksum_info = meta.erasure.get_checksum_info(meta.parts[0].number);
                 let data_len = data.len();
                 let verify_err = match bitrot_verify(
-                    FileReader::Buffer(Cursor::new(data.clone())),
+                    Box::new(Cursor::new(data.clone())),
                     data_len,
                     meta.erasure.shard_file_size(meta.size),
                     checksum_info.algorithm,
diff --git a/ecstore/src/store_api.rs b/ecstore/src/store_api.rs
index c67d17813..091ee1e89 100644
--- a/ecstore/src/store_api.rs
+++ b/ecstore/src/store_api.rs
@@ -19,7 +19,7 @@ use time::OffsetDateTime;
 use uuid::Uuid;
 
 pub const ERASURE_ALGORITHM: &str = "rs-vandermonde";
-pub const BLOCK_SIZE_V2: usize = 1048576; // 1M
+pub const BLOCK_SIZE_V2: usize = 1024 * 1024; // 1M
 pub const RESERVED_METADATA_PREFIX: &str = "X-Rustfs-Internal-";
 pub const RESERVED_METADATA_PREFIX_LOWER: &str = "X-Rustfs-Internal-";
 pub const RUSTFS_HEALING: &str = "X-Rustfs-Internal-healing";
diff --git a/rustfs/src/admin/rpc.rs b/rustfs/src/admin/rpc.rs
index 9d2fda5b5..42bbb0ace 100644
--- a/rustfs/src/admin/rpc.rs
+++ b/rustfs/src/admin/rpc.rs
@@ -3,7 +3,6 @@ use super::router::Operation;
 use super::router::S3Router;
 use crate::storage::ecfs::bytes_stream;
 use common::error::Result;
-use ecstore::disk::io::FileReader;
 use ecstore::disk::DiskAPI;
 use ecstore::store::find_local_disk;
 use futures::TryStreamExt;
@@ -19,7 +18,6 @@ use s3s::S3Result;
 use serde_urlencoded::from_bytes;
 use tokio_util::io::ReaderStream;
 use tokio_util::io::StreamReader;
-use tracing::warn;
 
 pub const RPC_PREFIX: &str = "/rustfs/rpc";
 
@@ -52,8 +50,6 @@ pub struct ReadFile {}
 #[async_trait::async_trait]
 impl Operation for ReadFile {
     async fn call(&self, req: S3Request<Body>, _params: Params<'_, '_>) -> S3Result<S3Response<(StatusCode, Body)>> {
-        warn!("handle ReadFile");
-
         let query = {
             if let Some(query) = req.uri.query() {
                 let input: ReadFileQuery =
@@ -68,39 +64,15 @@ impl Operation for ReadFile {
             return Err(s3_error!(InvalidArgument, "disk not found"));
         };
 
-        let file: FileReader = disk
+        let file = disk
             .read_file_stream(&query.volume, &query.path, query.offset, query.length)
             .await
             .map_err(|e| s3_error!(InternalError, "read file err {}", e))?;
 
-        let s = bytes_stream(ReaderStream::new(file), query.length);
-
-        Ok(S3Response::new((StatusCode::OK, Body::from(StreamingBlob::wrap(s)))))
-
-        // let querys = req.uri.query().map(|q| {
-        //     let mut querys = HashMap::new();
-        //     for (k, v) in url::form_urlencoded::parse(q.as_bytes()) {
-        //         println!("{}={}", k, v);
-        //         querys.insert(k.to_string(), v.to_string());
-        //     }
-        //     querys
-        // });
-
-        // // TODO: file_path from root
-
-        // if let Some(file_path) = querys.and_then(|q| q.get("file_path").cloned()) {
-        //     let file = fs::OpenOptions::new()
-        //         .read(true)
-        //         .open(file_path)
-        //         .await
-        //         .map_err(|e| S3Error::with_message(S3ErrorCode::InternalError, format!("open file err {}", e)))?;
-
-        //     let s = bytes_stream(ReaderStream::new(file), 0);
-
-        //     return Ok(S3Response::new((StatusCode::OK, Body::from(StreamingBlob::wrap(s)))));
-        // }
-
-        // Ok(S3Response::new((StatusCode::BAD_REQUEST, Body::empty())))
+        Ok(S3Response::new((
+            StatusCode::OK,
+            Body::from(StreamingBlob::wrap(bytes_stream(ReaderStream::new(file), query.length))),
+        )))
     }
 }
 
@@ -117,8 +89,6 @@ pub struct PutFile {}
 #[async_trait::async_trait]
 impl Operation for PutFile {
     async fn call(&self, req: S3Request<Body>, _params: Params<'_, '_>) -> S3Result<S3Response<(StatusCode, Body)>> {
-        warn!("handle PutFile");
-
         let query = {
             if let Some(query) = req.uri.query() {
                 let input: PutFileQuery =