diff --git a/Cargo.lock b/Cargo.lock
index 704d1422..1e6e755c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -313,9 +313,11 @@ version = "0.1.0"
 dependencies = [
  "anyhow",
  "async-trait",
+ "base64-simd",
  "bytes",
  "crc32fast",
  "futures",
+ "hex-simd",
  "lazy_static",
  "netif",
  "path-absolutize",
@@ -325,6 +327,7 @@ dependencies = [
  "s3s",
  "serde",
  "serde_json",
+ "sha2",
  "siphasher",
  "thiserror",
  "time",
diff --git a/ecstore/Cargo.toml b/ecstore/Cargo.toml
index 8b7a5d17..5b227e4e 100644
--- a/ecstore/Cargo.toml
+++ b/ecstore/Cargo.toml
@@ -33,6 +33,9 @@ tokio-util = { version = "0.7.11", features = ["io"] }
 s3s = "0.10.0"
 crc32fast = "1.4.2"
 siphasher = "1.0.1"
+base64-simd = "0.8.0"
+sha2 = "0.10.8"
+hex-simd = "0.8.0"
 
 
 [dev-dependencies]
diff --git a/ecstore/src/disk.rs b/ecstore/src/disk.rs
index 3f0ba828..e708a2a7 100644
--- a/ecstore/src/disk.rs
+++ b/ecstore/src/disk.rs
@@ -20,7 +20,7 @@ use tracing::debug;
 use uuid::Uuid;
 
 use crate::{
-    disk_api::{DiskAPI, DiskError, VolumeInfo},
+    disk_api::{DiskAPI, DiskError, ReadOptions, VolumeInfo},
     endpoint::{Endpoint, Endpoints},
     file_meta::FileMeta,
     format::{DistributionAlgoVersion, FormatV3},
@@ -217,6 +217,48 @@ impl LocalDisk {
 
         Ok(())
     }
+
+    async fn read_raw(
+        &self,
+        bucket: &str,
+        volume_dir: impl AsRef<Path>,
+        path: impl AsRef<Path>,
+        read_data: bool,
+    ) -> Result<(Vec<u8>, OffsetDateTime)> {
+        let meta_path = path.as_ref().join(Path::new(STORAGE_FORMAT_FILE));
+        if read_data {
+            self.read_all_data(bucket, volume_dir, meta_path).await
+        } else {
+            self.read_metadata_with_dmtime(meta_path).await
+        }
+    }
+
+    async fn read_metadata_with_dmtime(&self, path: impl AsRef<Path>) -> Result<(Vec<u8>, OffsetDateTime)> {
+        let (data, meta) = read_file_all(path).await?;
+
+        let modtime = match meta.modified() {
+            Ok(md) => OffsetDateTime::from(md),
+            Err(_) => return Err(Error::msg("Not supported modified on this platform")),
+        };
+
+        Ok((data, modtime))
+    }
+
+    async fn read_all_data(
+        &self,
+        bucket: &str,
+        volume_dir: impl AsRef<Path>,
+        path: impl AsRef<Path>,
+    ) -> Result<(Vec<u8>, OffsetDateTime)> {
+        let (data, meta) = read_file_all(path).await?;
+
+        let modtime = match meta.modified() {
+            Ok(md) => OffsetDateTime::from(md),
+            Err(_) => return Err(Error::msg("Not supported modified on this platform")),
+        };
+
+        Ok((data, modtime))
+    }
 }
 
 fn is_root_path(path: &PathBuf) -> bool {
@@ -245,6 +287,14 @@ pub async fn read_file_exists(path: impl AsRef<Path>) -> Result<(Vec<u8>, Option
     Ok((data, meta))
 }
 
+pub async fn write_all_internal(p: impl AsRef<Path>, data: impl AsRef<[u8]>) -> Result<()> {
+    // create top dir if not exists
+    fs::create_dir_all(&p.as_ref().parent().unwrap_or_else(|| Path::new("."))).await?;
+
+    fs::write(&p, data).await?;
+    Ok(())
+}
+
 pub async fn read_file_all(path: impl AsRef<Path>) -> Result<(Vec<u8>, Metadata)> {
     let p = path.as_ref();
     let meta = read_file_metadata(&path).await?;
@@ -307,10 +357,8 @@ impl DiskAPI for LocalDisk {
     async fn write_all(&self, volume: &str, path: &str, data: Bytes) -> Result<()> {
         let p = self.get_object_path(&volume, &path)?;
 
-        // create top dir if not exists
-        fs::create_dir_all(&p.parent().unwrap_or_else(|| Path::new("."))).await?;
+        write_all_internal(p, data).await?;
 
-        fs::write(&p, data).await?;
         Ok(())
     }
 
@@ -418,7 +466,7 @@ impl DiskAPI for LocalDisk {
         }
 
         if !dst_buf.is_empty() {
-            meta = match FileMeta::unmarshal(dst_buf) {
+            meta = match FileMeta::unmarshal(&dst_buf) {
                 Ok(m) => m,
                 Err(e) => FileMeta::new(),
             }
@@ -492,6 +540,44 @@ impl DiskAPI for LocalDisk {
             created: modtime,
         })
     }
+
+    async fn write_metadata(&self, org_volume: &str, volume: &str, path: &str, fi: FileInfo) -> Result<()> {
+        let p = self.get_object_path(&volume, format!("{}/{}", path, STORAGE_FORMAT_FILE).as_str())?;
+
+        let mut meta = FileMeta::new();
+        if !fi.fresh {
+            let (buf, _) = read_file_exists(&p).await?;
+            if !buf.is_empty() {
+                meta = FileMeta::unmarshal(&buf)?;
+            }
+        }
+
+        meta.add_version(fi)?;
+
+        let fm_data = meta.marshal_msg()?;
+
+        write_all_internal(p, fm_data).await?;
+
+        return Ok(());
+    }
+
+    async fn read_version(
+        &self,
+        org_volume: &str,
+        volume: &str,
+        path: &str,
+        version_id: &str,
+        opts: ReadOptions,
+    ) -> Result<FileInfo> {
+        let file_path = self.get_object_path(volume, path)?;
+        let file_dir = self.get_bucket_path(volume)?;
+
+        let read_data = opts.read_data;
+
+        let (data, _) = self.read_raw(volume, file_dir, file_path, read_data).await?;
+
+        unimplemented!()
+    }
 }
 
 // pub async fn copy_bytes<S, W>(mut stream: S, writer: &mut W) -> Result<u64>
diff --git a/ecstore/src/disk_api.rs b/ecstore/src/disk_api.rs
index 3995a4cf..7503acd1 100644
--- a/ecstore/src/disk_api.rs
+++ b/ecstore/src/disk_api.rs
@@ -27,6 +27,16 @@ pub trait DiskAPI: Debug + Send + Sync + 'static {
     async fn make_volumes(&self, volume: Vec<&str>) -> Result<()>;
     async fn make_volume(&self, volume: &str) -> Result<()>;
     async fn stat_volume(&self, volume: &str) -> Result<VolumeInfo>;
+
+    async fn write_metadata(&self, org_volume: &str, volume: &str, path: &str, fi: FileInfo) -> Result<()>;
+    async fn read_version(
+        &self,
+        org_volume: &str,
+        volume: &str,
+        path: &str,
+        version_id: &str,
+        opts: ReadOptions,
+    ) -> Result<FileInfo>;
 }
 
 pub struct VolumeInfo {
@@ -34,10 +44,19 @@ pub struct VolumeInfo {
     pub created: OffsetDateTime,
 }
 
+pub struct ReadOptions {
+    pub read_data: bool,
+    // pub healing: bool,
+}
+
 #[derive(Debug, thiserror::Error)]
 pub enum DiskError {
     #[error("file not found")]
     FileNotFound,
+
+    #[error("file version not found")]
+    FileVersionNotFound,
+
     #[error("disk not found")]
     DiskNotFound,
 
diff --git a/ecstore/src/sets.rs b/ecstore/src/sets.rs
index 8795b14d..bbaa929b 100644
--- a/ecstore/src/sets.rs
+++ b/ecstore/src/sets.rs
@@ -1,19 +1,24 @@
 use std::sync::Arc;
 
 use anyhow::{Error, Result};
-
 use futures::{future::join_all, AsyncWrite, StreamExt};
 use time::OffsetDateTime;
 use tracing::debug;
 use uuid::Uuid;
 
 use crate::{
-    disk::{self, DiskStore, RUSTFS_META_TMP_BUCKET},
+    disk::{self, DiskStore, RUSTFS_META_MULTIPART_BUCKET, RUSTFS_META_TMP_BUCKET},
     endpoint::PoolEndpoints,
     erasure::Erasure,
     format::{DistributionAlgoVersion, FormatV3},
-    store_api::{BucketInfo, BucketOptions, FileInfo, MakeBucketOptions, ObjectOptions, PutObjReader, StorageAPI},
-    utils::hash,
+    store_api::{
+        BucketInfo, BucketOptions, FileInfo, MakeBucketOptions, MultipartUploadResult, ObjectOptions, PartInfo, PutObjReader,
+        StorageAPI,
+    },
+    utils::{
+        crypto::{base64_decode, base64_encode, hex, sha256},
+        hash,
+    },
 };
 
 const DEFAULT_INLINE_BLOCKS: usize = 128 * 1024;
@@ -142,6 +147,61 @@ impl Sets {
     }
 }
 
+async fn write_unique_file_info(
+    disks: &Vec<Option<DiskStore>>,
+    org_bucket: &str,
+    bucket: &str,
+    prefix: &str,
+    files: &Vec<FileInfo>,
+    // write_quorum: usize,
+) -> Vec<Option<Error>> {
+    let mut futures = Vec::with_capacity(disks.len());
+
+    for (i, disk) in disks.iter().enumerate() {
+        let disk = disk.as_ref().unwrap();
+        let mut file_info = files[i].clone();
+        file_info.erasure.index = i + 1;
+        futures.push(async move { disk.write_metadata(org_bucket, bucket, prefix, file_info).await })
+    }
+
+    let mut errors = Vec::with_capacity(disks.len());
+
+    let results = join_all(futures).await;
+    for result in results {
+        match result {
+            Ok(_) => {
+                errors.push(None);
+            }
+            Err(e) => {
+                errors.push(Some(e));
+            }
+        }
+    }
+    errors
+}
+
+fn get_upload_id_dir(bucket: &str, object: &str, upload_id: &str) -> String {
+    let upload_uuid = match base64_decode(upload_id.as_bytes()) {
+        Ok(res) => {
+            let decoded_str = String::from_utf8(res).expect("Failed to convert decoded bytes to a UTF-8 string");
+            let parts: Vec<&str> = decoded_str.splitn(2, '.').collect();
+            if parts.len() == 2 {
+                parts[1].to_string()
+            } else {
+                upload_id.to_string()
+            }
+        }
+        Err(_) => upload_id.to_string(),
+    };
+
+    format!("{}/{}", get_multipart_sha_dir(bucket, object), upload_uuid)
+}
+
+fn get_multipart_sha_dir(bucket: &str, object: &str) -> String {
+    let path = format!("{}/{}", bucket, object);
+    hex(sha256(path.as_bytes()).as_ref())
+}
+
 // #[derive(Debug)]
 // pub struct Objects {
 //     pub endpoints: Vec<Endpoint>,
@@ -162,7 +222,7 @@ impl StorageAPI for Sets {
         unimplemented!()
     }
 
-    async fn put_object(&self, bucket: &str, object: &str, data: PutObjReader, opts: ObjectOptions) -> Result<()> {
+    async fn put_object(&self, bucket: &str, object: &str, data: PutObjReader, opts: &ObjectOptions) -> Result<()> {
         let disks = self.get_disks_by_key(object);
 
         let mut parity_drives = self.partiy_count;
@@ -265,6 +325,71 @@ impl StorageAPI for Sets {
 
         Ok(())
     }
+
+    async fn put_object_part(
+        &self,
+        bucket: &str,
+        object: &str,
+        upload_id: &str,
+        part_id: usize,
+        data: PutObjReader,
+        opts: &ObjectOptions,
+    ) -> Result<PartInfo> {
+        let upload_path = get_upload_id_dir(bucket, object, upload_id);
+
+        // TODO: checkUploadIDExists
+
+        unimplemented!()
+    }
+
+    async fn new_multipart_upload(&self, bucket: &str, object: &str, opts: &ObjectOptions) -> Result<MultipartUploadResult> {
+        let disks = self.get_disks_by_key(object);
+
+        let mut parity_drives = self.partiy_count;
+        if opts.max_parity {
+            parity_drives = disks.len() / 2;
+        }
+
+        let data_drives = disks.len() - parity_drives;
+        let mut write_quorum = data_drives;
+        if data_drives == parity_drives {
+            write_quorum += 1
+        }
+
+        let mut fi = FileInfo::new([bucket, object].join("/").as_str(), data_drives, parity_drives);
+
+        fi.data_dir = Uuid::new_v4();
+        fi.fresh = true;
+
+        let parts_metadata = vec![fi.clone(); disks.len()];
+
+        let (shuffle_disks, mut shuffle_parts_metadata) = shuffle_disks_and_parts_metadata(&disks, &parts_metadata, &fi);
+
+        for fi in shuffle_parts_metadata.iter_mut() {
+            fi.mod_time = OffsetDateTime::now_utc();
+        }
+
+        let upload_uuid = format!("{}x{}", Uuid::new_v4(), fi.mod_time);
+
+        let upload_id = base64_encode(format!("{}.{}", "globalDeploymentID", upload_uuid).as_bytes());
+
+        let upload_path = get_upload_id_dir(bucket, object, upload_uuid.as_str());
+
+        let errs = write_unique_file_info(
+            &shuffle_disks,
+            bucket,
+            RUSTFS_META_MULTIPART_BUCKET,
+            upload_path.as_str(),
+            &shuffle_parts_metadata,
+        )
+        .await;
+
+        debug!("write_unique_file_info errs :{:?}", &errs);
+        // TODO: reduceWriteQuorumErrs
+        // evalDisks
+
+        Ok(MultipartUploadResult { upload_id })
+    }
 }
 
 // 打乱顺序
diff --git a/ecstore/src/store.rs b/ecstore/src/store.rs
index 3655a6bd..f66c2916 100644
--- a/ecstore/src/store.rs
+++ b/ecstore/src/store.rs
@@ -14,7 +14,9 @@ use crate::{
     endpoint::EndpointServerPools,
     peer::{PeerS3Client, S3PeerSys},
     sets::Sets,
-    store_api::{BucketInfo, BucketOptions, MakeBucketOptions, ObjectOptions, PutObjReader, StorageAPI},
+    store_api::{
+        BucketInfo, BucketOptions, MakeBucketOptions, MultipartUploadResult, ObjectOptions, PartInfo, PutObjReader, StorageAPI,
+    },
     store_init, utils,
 };
 
@@ -128,7 +130,7 @@ impl StorageAPI for ECStore {
 
         let reader = PutObjReader::new(StreamingBlob::from(body), content_len);
 
-        self.put_object(RUSTFS_META_BUCKET, &file_path, reader, ObjectOptions { max_parity: true })
+        self.put_object(RUSTFS_META_BUCKET, &file_path, reader, &ObjectOptions { max_parity: true })
             .await?;
 
         // TODO: toObjectErr
@@ -140,17 +142,39 @@ impl StorageAPI for ECStore {
 
         Ok(info)
     }
-    async fn put_object(&self, bucket: &str, object: &str, data: PutObjReader, opts: ObjectOptions) -> Result<()> {
+    async fn put_object(&self, bucket: &str, object: &str, data: PutObjReader, opts: &ObjectOptions) -> Result<()> {
         // checkPutObjectArgs
 
         let object = utils::path::encode_dir_object(object);
 
         if self.single_pool() {
-            println!("put_object single_pool");
-            self.pools[0].put_object(bucket, object.as_str(), data, opts).await?;
-            return Ok(());
+            return self.pools[0].put_object(bucket, object.as_str(), data, opts).await;
         }
 
         unimplemented!()
     }
+
+    async fn put_object_part(
+        &self,
+        bucket: &str,
+        object: &str,
+        upload_id: &str,
+        part_id: usize,
+        data: PutObjReader,
+        opts: &ObjectOptions,
+    ) -> Result<PartInfo> {
+        if self.single_pool() {
+            return self.pools[0]
+                .put_object_part(bucket, object, upload_id, part_id, data, opts)
+                .await;
+        }
+        unimplemented!()
+    }
+
+    async fn new_multipart_upload(&self, bucket: &str, object: &str, opts: &ObjectOptions) -> Result<MultipartUploadResult> {
+        if self.single_pool() {
+            return self.pools[0].new_multipart_upload(bucket, object, opts).await;
+        }
+        unimplemented!()
+    }
 }
diff --git a/ecstore/src/store_api.rs b/ecstore/src/store_api.rs
index 999aa492..b24548c7 100644
--- a/ecstore/src/store_api.rs
+++ b/ecstore/src/store_api.rs
@@ -21,6 +21,7 @@ pub struct FileInfo {
     pub mod_time: OffsetDateTime,
     pub size: usize,
     pub data: Vec<u8>,
+    pub fresh: bool, // indicates this is a first time call to write FileInfo.
 }
 
 impl FileInfo {
@@ -40,6 +41,7 @@ impl Default for FileInfo {
             mod_time: OffsetDateTime::UNIX_EPOCH,
             size: Default::default(),
             data: Default::default(),
+            fresh: Default::default(),
         }
     }
 }
@@ -157,10 +159,30 @@ pub struct BucketInfo {
     pub created: OffsetDateTime,
 }
 
+pub struct MultipartUploadResult {
+    pub upload_id: String,
+}
+
+pub struct PartInfo {
+    pub part_num: usize,
+    pub last_mod: OffsetDateTime,
+    pub size: usize,
+}
+
 #[async_trait::async_trait]
 pub trait StorageAPI {
     async fn make_bucket(&self, bucket: &str, opts: &MakeBucketOptions) -> Result<()>;
     async fn get_bucket_info(&self, bucket: &str, opts: &BucketOptions) -> Result<BucketInfo>;
 
-    async fn put_object(&self, bucket: &str, object: &str, data: PutObjReader, opts: ObjectOptions) -> Result<()>;
+    async fn put_object(&self, bucket: &str, object: &str, data: PutObjReader, opts: &ObjectOptions) -> Result<()>;
+    async fn put_object_part(
+        &self,
+        bucket: &str,
+        object: &str,
+        upload_id: &str,
+        part_id: usize,
+        data: PutObjReader,
+        opts: &ObjectOptions,
+    ) -> Result<PartInfo>;
+    async fn new_multipart_upload(&self, bucket: &str, object: &str, opts: &ObjectOptions) -> Result<MultipartUploadResult>;
 }
diff --git a/ecstore/src/utils/crypto.rs b/ecstore/src/utils/crypto.rs
new file mode 100644
index 00000000..5a7f86b3
--- /dev/null
+++ b/ecstore/src/utils/crypto.rs
@@ -0,0 +1,25 @@
+pub fn base64_encode(input: &[u8]) -> String {
+    base64_simd::URL_SAFE_NO_PAD.encode_to_string(input)
+}
+
+pub fn base64_decode(input: &[u8]) -> Result<Vec<u8>, base64_simd::Error> {
+    base64_simd::URL_SAFE_NO_PAD.decode_to_vec(input)
+}
+
+pub fn hex(data: impl AsRef<[u8]>) -> String {
+    hex_simd::encode_to_string(data, hex_simd::AsciiCase::Lower)
+}
+
+#[cfg(not(all(feature = "openssl", not(windows))))]
+pub fn sha256(data: &[u8]) -> impl AsRef<[u8; 32]> {
+    use sha2::{Digest, Sha256};
+    <Sha256 as Digest>::digest(data)
+}
+
+#[cfg(all(feature = "openssl", not(windows)))]
+pub fn sha256(data: &[u8]) -> impl AsRef<[u8]> {
+    use openssl::hash::{Hasher, MessageDigest};
+    let mut h = Hasher::new(MessageDigest::sha256()).unwrap();
+    h.update(data).unwrap();
+    h.finish().unwrap()
+}
diff --git a/ecstore/src/utils/mod.rs b/ecstore/src/utils/mod.rs
index dc9cae50..20d8332a 100644
--- a/ecstore/src/utils/mod.rs
+++ b/ecstore/src/utils/mod.rs
@@ -1,3 +1,4 @@
+pub mod crypto;
 pub mod hash;
 pub mod net;
 pub mod path;
diff --git a/rustfs/src/storage/ecfs.rs b/rustfs/src/storage/ecfs.rs
index ef2bd1a2..5c2ecdb4 100644
--- a/rustfs/src/storage/ecfs.rs
+++ b/rustfs/src/storage/ecfs.rs
@@ -3,6 +3,7 @@ use std::fmt::Debug;
 use ecstore::disk_api::DiskError;
 use ecstore::store_api::BucketOptions;
 use ecstore::store_api::MakeBucketOptions;
+use ecstore::store_api::MultipartUploadResult;
 use ecstore::store_api::ObjectOptions;
 use ecstore::store_api::PutObjReader;
 use ecstore::store_api::StorageAPI;
@@ -96,6 +97,14 @@ impl S3 for FS {
     async fn get_bucket_location(&self, req: S3Request<GetBucketLocationInput>) -> S3Result<S3Response<GetBucketLocationOutput>> {
         let input = req.input;
 
+        if let Err(e) = self.store.get_bucket_info(&input.bucket, &BucketOptions {}).await {
+            if DiskError::is_err(&e, &DiskError::VolumeNotFound) {
+                return Err(s3_error!(NoSuchBucket));
+            } else {
+                return Err(S3Error::with_message(S3ErrorCode::InternalError, format!("{}", e)));
+            }
+        }
+
         let output = GetBucketLocationOutput::default();
         Ok(S3Response::new(output))
     }
@@ -198,7 +207,7 @@ impl S3 for FS {
 
         let reader = PutObjReader::new(body.into(), content_length as usize);
 
-        try_!(self.store.put_object(&bucket, &key, reader, ObjectOptions::default()).await);
+        try_!(self.store.put_object(&bucket, &key, reader, &ObjectOptions::default()).await);
 
         // self.store.put_object(bucket, object, data, opts);
 
@@ -211,11 +220,22 @@ impl S3 for FS {
         &self,
         req: S3Request<CreateMultipartUploadInput>,
     ) -> S3Result<S3Response<CreateMultipartUploadOutput>> {
-        let input = req.input;
+        let CreateMultipartUploadInput { bucket, key, .. } = req.input;
 
         // mc cp step 3
 
-        let output = CreateMultipartUploadOutput { ..Default::default() };
+        let MultipartUploadResult { upload_id, .. } = try_!(
+            self.store
+                .new_multipart_upload(&bucket, &key, &ObjectOptions::default())
+                .await
+        );
+
+        let output = CreateMultipartUploadOutput {
+            bucket: Some(bucket),
+            key: Some(key),
+            upload_id: Some(upload_id),
+            ..Default::default()
+        };
 
         Ok(S3Response::new(output))
     }
@@ -226,9 +246,15 @@ impl S3 for FS {
             body,
             upload_id,
             part_number,
+            content_length,
             ..
         } = req.input;
 
+        let body = body.ok_or_else(|| s3_error!(IncompleteBody))?;
+        let content_length = content_length.ok_or_else(|| s3_error!(IncompleteBody))?;
+
+        // mc cp step 4
+
         let output = UploadPartOutput { ..Default::default() };
         Ok(S3Response::new(output))
     }