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BackupPC 3.1.0

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July 28 2011


BackupPC 3.1.0


BackupPC is a high-performance, enterprise-grade system for backing up Linux, WinXX and MacOSX PCs and laptops. BackupPC is a high-performance, enterprise-grade system for backing up Linux, WinXX and MacOSX PCs and laptops to a server's disk. BackupPC is highly configurable and easy to install and maintain.Given the ever decreasing cost of disks and raid systems, it is now practical and cost effective to backup a large number of machines onto a server's local disk or network storage. This is what BackupPC does. For some sites, this might be the complete backup solution. For other sites, additional permanent archives could be created by periodically backing up the server to tape. A variety of Open Source systems are available for doing backup to tape.BackupPC is written in Perl and extracts backup data via SMB using Samba, tar over ssh/rsh/nfs, or rsync.Here are some key features of "BackupPC":· A clever pooling scheme minimizes disk storage and disk I/O. Identical files across multiple backups of the same or different PCs are stored only once resulting in substantial savings in disk storage and disk I/O. · One example of disk use: 95 latops with each full backup averaging 3.6GB each, and each incremental averaging about 0.3GB. Storing three weekly full backups and six incremental backups per laptop is around 1200GB of raw data, but because of pooling and compression only 150GB is needed. · Optional compression support further reducing disk storage. Since only new files (not already pooled) need to be compressed, there is only a modest impact on CPU time. · No client-side software is needed. The standard smb protocol is used to extract backup data on WinXX clients. On linux clients, tar over ssh/rsh/nfs is used to backup the data. With version 2.0.0, rsync is also supported on any client that has rsync or rysncd. · A powerful web (http/cgi) user interface allows administrators to view log files, configuration, current status and allows users to initiate and cancel backups and browse and restore files from backups. · A full set of restore options is supported, including direct restore (via smbclient, tar, or rsync/rsyncd) or downloading a zip or tar file. · Supports mobile environments where laptops are only intermittently connected to the network and have dynamic IP addresses (DHCP). · Flexible configuration parameters allow multiple backups to be performed in parallel, specification of which shares to backup, which directories to backup or not backup, various schedules for full and incremental backups, schedules for email reminders to users and so on. Configuration parameters can be set system-wide or also on a per-PC basis. · Users are sent periodic email reminders if their PC has not recently been backed up. Email content, timing and policies are configurable. · Tested on Linux, Freenix and Solaris hosts, and Linux, Win95, Win98, Win2000 and WinXP clients. · Detailed documentation. · Open Source hosted by SourceForge and freely availble under GPL.What's New in This Release:· Added new script BackupPC_archiveStart that allows command-line starting of archives.· Added sorting by column feature to host summary table in CGI interface.· Added some performance improvements, including optional support for IO::Dirent.· Added Simplified Chinese and Polish CGI translations.· Added check to BackupPC at startup that $TopDir can support hardlinks.· When there is an existing partial, a new partials is only saved if it has more files than the existing partial.· Replaced the FAQ link with Wiki in the navigation bar and added mention of the Wiki to the documentation.

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