S3QL 是个用来在线存储数据的文件系统，支持 Amazon S3 、SFTP 服务器等。
S3QL 2.4 改进记录：
Attempts to upgrade a filesystem that is already at the newest revision no longer render the local metadata copy unusable.
Google storage bucket names containing dots no longer cause problems with SSL certificate validation.
Fixes a crash when statvfs() is called on an almost empty file system.
There is a new "swiftks" backend for OpenStack/Swift servers.
Eliminates a race condition that could lead to mount.s3ql crashing with a "KeyError in collections/abc.py".
Fixes a crash that could occur when trying to clean up after receiving a connection or server error when uploading an object
官方首页：http://code.google.com/p/s3ql/
免费下载：http://code.google.com/p/s3ql/downloads/list
来自:开源中国社区
