[ 源代码： fssync ]
软件包：fssync（1.7-1）
File system synchronization tool (1-way, over SSH)
fssync is a 1-way file-synchronization tool that tracks inodes and maintains a local database of files that are on the remote side, making it able to:
- handle efficiently a huge number of dirs/files - detect renames/moves and hard-links
It aims at minimizing network traffic and synchronizing every detail of a file system:
- all types of inode: file, dir, block/character/fifo, socket, symlink - preserve hard links - modification time, ownership/permission/ACL, extended attributes - sparse files
Other features:
- it can be configured to exclude files from synchronization - fssync can be interrupted and resumed at any time, making it tolerant to random failures (e.g. network error) - algorithm to synchronize file content is designed to handle big files like VM images efficiently, by updating fixed-size modified blocks in-place
Main usage of fssync is to prevent data loss in case of hardware failure, where RAID1 is not possible (e.g. in laptops).
On Btrfs file systems, fssync is an useful alternative to `btrfs send` (and `receive`) commands, thanks to filtering capabilities. This can be combined with Btrfs snapshotting at destination side for a full backup solution.
其他与 fssync 有关的软件包
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- dep: openssh-client
- SSH 客户端，用于登录远程机器
- 或者 openssh-server
- SSH 服务器，用于从远程安全访问
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- dep: python3 (>= 3.3)
- 交互式高级面向对象语言（默认 python3 版本）
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- dep: python3-pylibacl (>> 0.5.1-1.1)
- module for manipulating POSIX.1e ACLs (Python3 version)