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CloudDrive2 多云盘本地挂载管理工具软件 
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CloudDrive2 多云盘本地挂载管理工具软件
CloudDrive2
统一管理所有云盘账户、跨云复制、加密、备份、对外提供 WebDAV。它既是装在电脑、NAS 或 Docker 上的那个后台服务，也完整内置在每一个平台的应用里—— 手机、电视、头显上不需要另外架一台服务器。只有本地挂载受系统限制。
云盘本地挂载
CloudDrive2 可以把一个云盘，或者云盘里的某个目录，挂载成本地磁盘 —— 就像往电脑上插了一个 U 盘。挂载之后，云端文件不需要事先下载就能直接打开、编辑和保存。既可以只挂载单个云盘，也可以把多个云盘挂载成一个统一的文件系统。这样在不同云盘之间切换和整理文件时，不必再一个个打开各家的客户端。更重要的是，挂载出来的盘支持完整的随机读写。任何本地程序都可以像访问本地磁盘一样访问它，无论是办公软件直接保存文档，还是媒体播放器拖动进度条，都不需要先把整个文件拉下来。
读取云盘文件时采用多线程下载，速度成倍提升；在带宽足够的情况下，使用体验接近本地磁盘。
在一台设备上改完文件，内容会写回云盘，另一台设备打开时拿到的就是最新版本，不必担心版本不一致或漏改。
一个真正的文件系统，不是只读的镜像
大多数把云盘挂到本地的工具，给出的是一个「能看能拷」的视图：文件属性是挂载时统一设定的固定值，chmod 改不动，扩展属性根本不支持。写入更受限 —— 默认配置下，往一个已经在云端的文件后面追加一行都会失败；要让它成功，得先打开本地磁盘缓存，而缓存的代价是：改动之前必须把整个文件下载回本地。CloudDrive2 的挂载不是这样。
在 Linux 与 macOS 上，挂出来的是完整的 POSIX 文件系统：权限位、所有者与用户组、三个时间戳、扩展属性（xattr），一样不少。在 Windows 上，安全描述符（Security Descriptor）同样完整支持，ACL 照常读写。云盘本身存不下这些东西，所以 CloudDrive2 把它们持久化在本地 —— 改完就在那里，重启之后还在。
写入是真正的随机写。对象存储只能整份替换（上传要带文件哈希），所以改动最终仍然会生成一个新对象；区别在于 CloudDrive2 不需要先把原文件下载回来：它一边从云端取还没改动的那些片段，一边接上你本地写进去的部分，直接拼成新文件传上去。几十 GB 的文件改中间几个字节，不用先花一小时把它拉下来。
权限位、所有者与用户组都真实存在，chmod、chown 改完不会被丢掉 —— 属性持久化在本地，不依赖云盘能不能存。
依赖 xattr 的程序照常工作 —— macOS 的 Finder 标记、备份工具的元数据、各类打标签的工具都不会失灵。
安全描述符完整保留，域环境和多用户机器上的权限设置照常生效。
数据库文件、剪辑工程、磁盘镜像这类要就地改写的文件，改动之前不必把几十 GB 先拉回本地。
哪些平台可以挂载
把云盘挂成系统里的一块本地磁盘，需要操作系统本身放行。
这些核心功能在这些平台上一样不少。iPhone、iPad 与 Vision Pro 上，File Provider 扩展把云盘接进系统的「文件」应用；Android 上，存储访问框架（SAF）让其他应用直接在系统文件选择器里浏览和打开云端文件。
统一的多云盘管理
CloudDrive2 自带一个 Web 管理界面，所有云盘的文件操作都在这里完成：浏览目录、看图片、在线播放视频和音频，以及新建文件夹、重命名、删除、移动位置、上传本地文件。不用在各家云盘的 App 之间来回切换。
网页里的音视频也可以交给第三方播放器打开，包括 PotPlayer、VLC Player、Infuse、iina 和 nPlayer。
下面这些就是「添加云存储」里的全部选项，分组与应用里一致。
一次登录，到处使用
CloudDrive2 提供云盘账户的云端同步：你只需要在一个地方登录所有云盘账户，之后在任何设备上的 CloudDrive2 都能直接使用这些账户，不必在每台设备上重新走一遍登录流程。对于经常换设备的人，这省掉的不只是时间 —— 账号密码输入的次数越少，泄露的机会也越少。家里的电脑、公司的电脑、NAS，用的都是同一套已经登录好的账户。
WebDAV 服务
WebDAV 是一种基于 HTTP 的文件传输协议，可以像访问本地文件一样访问和管理远程文件，在云盘、网盘和 NAS 领域被广泛使用。
强大的 WebDAV 服务管理
在系统设置界面里，WebDAV 服务的各项设置都可以单独控制：
独立 WebDAV 用户管理（付费功能）
可以创建任意多个独立的 WebDAV 用户，每个用户单独设置自己的根目录位置和是否只读。把某一个目录分享给别人时，不需要交出自己的账号。
用 API 令牌把整台 CloudDrive 接出去
在一台 CloudDrive2 上建一个 API 令牌，任何实现了 CloudDrive API 的客户端，凭地址加令牌就能接进来。另一台 CloudDrive2 是其中一种 ——「添加云存储」列表里那个叫 CloudDrive 的选项就是它；第三方软件走的是同一套开放的 gRPC API，能力一样不少。
接进来之后，那台机器上连着的所有云盘，在对方看来就是一个普通的云存储：浏览、播放、复制、备份，跟本机直连的云盘走同一套流程。
差别在于「像」到什么程度。WebDAV 是通用协议，代价是只剩文件本身——列目录、读写字节，能力到此为止。走 CloudDrive 令牌，两端说的是同一种语言，云盘的能力就能原样传过来。
Pro 功能
官方网站：https://www.clouddrive2.com/features.html
下载中心：https://clouddrive.apsgo.cn
发货时间：24 小时自动发货
运行平台：Windows、Linux、macOS、Android、Docker、Nas
界面语言：支持中文界面显示。
更新说明：订阅期内使用和更新。
买前试用：购前可免费试用。
如何收货：购买后，激活信息会以邮件的形式发送到下单时的邮箱，同时可在个人中心，我的订单中查看对应的产品激活码。
设备数量：免费用户：最多同时 2 台设备在线。付费会员： 最多同时 5 台设备在线
更换电脑：原电脑卸载，新电脑激活。
激活引导：待添加。
特殊说明：待添加。
Any question
Pro 1Quickly copy files across cloud disks
When dealing with large amounts of data, migration between cloud drives is a common but complex issue. Many users need to migrate between cloud drives because they need to change cloud drive services or want to synchronize data between multiple cloud drive services. However, due to the specific APIs and data formats of each cloud disk service, migration between cloud disks often requires users to perform tedious manual operations, and speed is often limited by network bandwidth. If the amount of data is large, the migration time may be very long.
The migration function between cloud drives in CloudDrive solves this problem. CloudDrive fully utilizes the instant transfer mechanism of cloud drives to achieve instant migration as much as possible. The second transfer mechanism is a technology that can quickly complete file transfer. Its working principle is to obtain the hash value of the file before uploading it, and then send the hash value to the server. The server checks whether the file already exists based on the hash value. If the file already exists, the server does not need to receive file data anymore, but directly creates a new file record pointing to the existing file data, thus achieving instant transfer. This method does not require recalculating the hash of the file, and is particularly suitable for migration between different cloud drives using the same hash algorithm, or between different accounts on the same cloud drive, achieving true instant transfer.
CloudDrive can directly obtain file hash values from cloud disks. If the target cloud disk uses the same hash algorithm as the source cloud disk, the process of calculating hash values can be skipped, thus achieving true fast replication. This approach not only improves replication speed, but also reduces network bandwidth usage and lowers user costs.
By using a second transfer mechanism, CloudDrive can quickly migrate data between cloud drives, greatly improving migration efficiency and saving users' time. Moreover, CloudDrive's cloud disk migration function supports multiple cloud disk services, making it easy for users to migrate regardless of which cloud disk service they are using.
Of course, not all files can use the second transfer mechanism. For these files, CloudDrive still provides an efficient migration solution. CloudDrive can directly download and upload files from one cloud drive to another cloud drive without first downloading the files locally. In this way, users do not have to worry about insufficient local storage space, nor do they have to worry about network issues during downloading and uploading.
Overall, CloudDrive's migration function between cloud drives provides a convenient and efficient solution, allowing users to more easily manage and move their cloud data. Whether it is the need to migrate large amounts of data or synchronize data between multiple cloud services, users can trust CloudDrive to achieve satisfactory results.
Pro 2Notice of Document Change
File change notification is a mechanism provided by the operating system, which generates an event notification when a file or directory in the file system changes. These changes may include the creation, deletion, movement, renaming, and modification of file content. Applications can subscribe to these events to receive timely notifications when files or directories change, so that they can perform corresponding processing.
The 'File Change Notification' feature of CloudDrive utilizes this mechanism to enable mounted cloud disk file systems to support file change notifications. When the mounted file system undergoes file changes (such as creating files, deleting files, renaming files, modifying files, etc.), third-party applications that support FileSystemWatcher or FileNotify will receive timely notifications from the operating system. For example, media management programs such as Emby, Jellyfin, and Plex can utilize this feature to monitor changes in media folders.
Moreover, CloudDrive has further extended this mechanism. Not only does it support file changes generated by mounting the file system, but it also supports modifying files through the web interface, modifying files through the WebDAV Server, or importing offline files through CloudDrive to download file changes. CloudDrive generates correct file change notifications for all these file changes, ensuring that third-party applications can obtain the latest status of files in real time.
Pro 3File access monitoring and permission control
The "File Access Monitoring and Permission Control" feature of CloudDrive provides users with detailed file system access monitoring, which cannot be compared to ordinary file systems.
CloudDrive can display in real-time which process is currently accessing which file, including displaying the path of the accessing process and file, as well as the download speed when accessing cloud storage files. In this way, users can easily understand the file access status and performance of each process.
Moreover, CloudDrive also provides permission control functionality, allowing users to set which processes can access the mounted file system and which processes cannot access it. Processes that have been blacklisted will not be able to open files mounted on CloudDrive. This provides users with extremely high security, effectively preventing malicious processes from accessing their files.
Through this feature, users can better manage and protect their files, avoiding data breaches and unnecessary troubles. This feature of CloudDrive is highly valuable for both individual and enterprise users.
Pro 4Multi cloud disk backup
When facing the protection and backup of important data, multiple backups are a very effective strategy. Multiple backups can improve data security, avoid single point of failure, and ensure data integrity and accessibility.
The "multi cloud disk backup" feature of CloudDrive is designed to meet this requirement. Users can specify the local folder or cloud storage folder that needs to be backed up, and CloudDrive will automatically back up the contents of the specified folder to multiple local or cloud storage folders. In this way, users' data has multiple safeguards, and even if there is a problem with a cloud storage service, it will not affect the security of users' data.
More importantly, CloudDrive's "multi cloud disk backup" feature supports real-time updates. When files in the backup folder are modified, these modifications will be updated in real-time to all backup destination folders. In this way, whenever users view their backup data, they can see the latest file status without missing any modifications.
When the source file or folder is deleted or updated, the corresponding file or folder in each target folder can choose to keep, delete, or keep an unlimited number of historical versions. Subsequent versions will support restoring files or folders from any historical version
CloudDrive's "multi cloud disk backup" feature provides users with ultimate data security. Users do not need to worry about data loss or data obsolescence. With simple settings, they can achieve automatic synchronization and backup of local or cloud storage data with multiple local or cloud storage devices, making data protection easy and simple.
Pro 5Transmission speed limit
Due to the fact that CloudDrive 2 defaults to full internet speed during operation, which takes up too much internet speed and slows down the overall internet speed, the speed limit function becomes more useful at this time.
