# SMB3 Lease Feature - Detailed Design Document

## 1. Overview

SMB3 leases provide a client caching mechanism that replaces the traditional oplock mechanism. Leases enable better performance through client-side caching while maintaining cache coherency across multiple clients.

## 2. Protocol Specification Reference

- **MS-SMB2 Section 2.2.13**: SMB2 CREATE Request with Lease Context
- **MS-SMB2 Section 2.2.14**: SMB2 CREATE Response with Lease State

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  // TODO(user): Consider separating Strings that we've defined here to capture
  // identifiable substrings of expected error messages, from Strings that we've defined
  // here to provide error messages.
  // TODO(user): Some Strings used in the subclasses can be added as static Strings
  // here too.
  static final String ERROR_PARALLEL_EDGE = "connected by a different edge";

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    /**
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     * are atomic, but do not provide happens-before ordering; however:
     *
     * <ul>
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/logo/MINIO_wordmark.png keywords: - storage - object-storage - S3 maintainers: - email: ******@****.*** name: MinIO, Inc name: minio sources: - https://github.com/minio/minio version: 1.0.0 minio/values.yaml ## Provide a name in place of minio for `app:` labels ## nameOverride: "" ## Provide a name to substitute for the full names of resources ## fullnameOverride: "" ## set kubernetes cluster domain where minio is running ## clusterDomain: cluster.local ## Set default image, imageTag, and imagePullPolicy....

/logo/MINIO_wordmark.png keywords: - storage - object-storage - S3 maintainers: - email: ******@****.*** name: MinIO, Inc name: minio sources: - https://github.com/minio/minio version: 1.0.1 minio/values.yaml ## Provide a name in place of minio for `app:` labels ## nameOverride: "" ## Provide a name to substitute for the full names of resources ## fullnameOverride: "" ## set kubernetes cluster domain where minio is running ## clusterDomain: cluster.local ## Set default image, imageTag, and imagePullPolicy....

/logo/MINIO_wordmark.png keywords: - storage - object-storage - S3 maintainers: - email: ******@****.*** name: MinIO, Inc name: minio sources: - https://github.com/minio/minio version: 1.0.3 minio/values.yaml ## Provide a name in place of minio for `app:` labels ## nameOverride: "" ## Provide a name to substitute for the full names of resources ## fullnameOverride: "" ## set kubernetes cluster domain where minio is running ## clusterDomain: cluster.local ## Set default image, imageTag, and imagePullPolicy....

/logo/MINIO_wordmark.png keywords: - storage - object-storage - S3 maintainers: - email: ******@****.*** name: MinIO, Inc name: minio sources: - https://github.com/minio/minio version: 1.0.4 minio/values.yaml ## Provide a name in place of minio for `app:` labels ## nameOverride: "" ## Provide a name to substitute for the full names of resources ## fullnameOverride: "" ## set kubernetes cluster domain where minio is running ## clusterDomain: cluster.local ## Set default image, imageTag, and imagePullPolicy....

/logo/MINIO_wordmark.png keywords: - storage - object-storage - S3 maintainers: - email: ******@****.*** name: MinIO, Inc name: minio sources: - https://github.com/minio/minio version: 1.0.5 minio/values.yaml ## Provide a name in place of minio for `app:` labels ## nameOverride: "" ## Provide a name to substitute for the full names of resources ## fullnameOverride: "" ## set kubernetes cluster domain where minio is running ## clusterDomain: cluster.local ## Set default image, imageTag, and imagePullPolicy....

/logo/MINIO_wordmark.png keywords: - storage - object-storage - S3 maintainers: - email: ******@****.*** name: MinIO, Inc name: minio sources: - https://github.com/minio/minio version: 2.0.0 minio/values.yaml ## Provide a name in place of minio for `app:` labels ## nameOverride: "" ## Provide a name to substitute for the full names of resources ## fullnameOverride: "" ## set kubernetes cluster domain where minio is running ## clusterDomain: cluster.local ## Set default image, imageTag, and imagePullPolicy....