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BackupX/docs-site/docs/features/storage-backends.md
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Awuqing cc50637b4b feat(cluster): 支持远程源服务器集中备份
为 Master 本地磁盘增加可选流式中转,远程 Agent 可直接把产物写入中央存储并通过反向通道恢复。

持久化并校验传输模式,兼容既有 Agent 本机磁盘目标,补齐鉴权、完整性、配额、访问保护、前端配置及双向链路测试。

Closes #101
2026-08-07 05:54:34 +08:00

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1.9 KiB
Markdown

---
sidebar_position: 2
title: Storage Backends
description: 70+ storage backends — built-in cloud providers plus any rclone backend.
---
# Storage Backends
BackupX aims to accept any place you'd want to drop a backup file.
## Built-in providers
| Type | Required fields |
|------|-----------------|
| **Alibaba OSS** | Region + AccessKey ID/Secret + Bucket (endpoint auto-assembled) |
| **Tencent COS** | Region + SecretId/SecretKey + Bucket (format `name-appid`) |
| **Qiniu Kodo** | Region + AccessKey/SecretKey + Bucket |
| **S3-compatible** | Endpoint + AccessKey + Bucket |
| **Google Drive** | Client ID/Secret + OAuth authorization |
| **WebDAV** | URL + username/password |
| **FTP / FTPS** | Host + port + username/password |
| **Local disk** | Target directory (absolute path) + optional Master relay for remote Agents |
New local-disk targets enable **Relay remote backups through Master** by default. This makes the configured path belong to the Master, so a storage server mounted there can collect backups from many source Agents. Turn the switch off when the path intentionally belongs to each Agent. Existing targets retain their previous Agent-local behavior until explicitly changed.
## Rclone backends
Every [rclone backend](https://rclone.org/overview/) is exposed as a first-class storage type — SFTP, Azure Blob, Dropbox, OneDrive, Backblaze B2, Wasabi, pCloud, HDFS, and many more.
- The form groups fields into **required** and **advanced** (advanced collapsed by default)
- Validation and connection tests reuse rclone's built-in probe
## Multiple targets per task
A backup task can fan out to multiple targets in parallel. All targets receive the same artifact; a per-target status is recorded:
- Success: storage path + size
- Failed: error message
If any target fails after retries, the record status is `failed` but successful targets are preserved (no rollback).