- Update read/write operations for RDMA

---

### Phase 6: Witness Protocol
**Priority: LOW** | **Estimated Effort: 4-5 weeks**

Witness protocol enables rapid failover notification for clustered file servers.

#### 6.1 Core Witness Infrastructure
```
Package: jcifs.internal.witness
├── WitnessClient.java           - Witness client implementation
├── WitnessRegistration.java     - Client registration with witness

// Copyright (c) 2015-2021 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful

// Copyright (c) 2015-2021 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful

// Copyright (c) 2015-2021 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful

// Copyright (c) 2015-2021 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful

        selective op registration headers else execution would fail with
        unregistered kernels error.

*   Modular File System Migration:

    *   Support for S3 and HDFS file systems has been migrated to a modular file
        systems based approach and is now available in
        https://github.com/tensorflow/io. The `tensorflow-io` python package

#
# This file is autogenerated by pip-compile with Python 3.13
# by the following command:
#
#    bazel run //ci/official/requirements_updater:requirements.update
#
absl-py==2.3.0 \
    --hash=sha256:9824a48b654a306168f63e0d97714665f8490b8d89ec7bf2efc24bf67cf579b3 \
    --hash=sha256:d96fda5c884f1b22178852f30ffa85766d50b99e00775ea626c23304f582fc4f
    # via
    #   keras-nightly
    #   tb-nightly
astor==0.7.1 \

pkg io/fs, type DirEntry interface, Type() FileMode
pkg io/fs, type FS interface { Open }
pkg io/fs, type FS interface, Open(string) (File, error)
pkg io/fs, type File interface { Close, Read, Stat }
pkg io/fs, type File interface, Close() error
pkg io/fs, type File interface, Read([]uint8) (int, error)
pkg io/fs, type File interface, Stat() (FileInfo, error)
pkg io/fs, type FileInfo interface { IsDir, ModTime, Mode, Name, Size, Sys }

pkg os, method (*File) Chdir() error
pkg os, method (*File) Chmod(FileMode) error
pkg os, method (*File) Chown(int, int) error
pkg os, method (*File) Close() error
pkg os, method (*File) Fd() uintptr
pkg os, method (*File) Name() string
pkg os, method (*File) Read([]uint8) (int, error)
pkg os, method (*File) ReadAt([]uint8, int64) (int, error)
pkg os, method (*File) Readdir(int) ([]FileInfo, error)

/*
 * Copyright (C) 2011 The Guava Authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,