Date: Wed, 14 Oct 2009 22:51:14 -0500 From: LoH <lordofhyphens@gmail.com> To: Nerius Landys <nlandys@gmail.com> Cc: "freebsd-questions@freebsd.org" <freebsd-questions@freebsd.org> Subject: Re: Best procedure for full backup of live system Message-ID: <4AD69C32.7000601@gmail.com> In-Reply-To: <560f92640910142042tc46f1e3lb81ac1e4528a44ab@mail.gmail.com> References: <560f92640910142042tc46f1e3lb81ac1e4528a44ab@mail.gmail.com>
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Take a UFS2 snapshot and then backup the snapshot. A similar approach using ZFS snapshots would also work. See the handbook for more details. http://www.freebsd.org/doc/en/books/handbook/backup-strategies.html Nerius Landys wrote: > My server is increasingly having important work stored on it, and I > need to start taking backups of a lot of directories, especially > /home, /opt, /etc, /usr/local/etc, and maybe others. The ideal backup > (and what I've done in the past) is to take a full low-level dd image > of the disk while the system is down (this is easy to do in a > situation where you have dual boot). Or, since the output of dd would > take up tons of space and would only be usable on an identical hard > drive, use "dump" to take the backup while the machine is turned off > (again easy to do on a dual boot). But now, I cannot bring down the > machine. My plan is to do a tar gzip of / on the fly, and pipe that > to ssh (remote machine). However, the system is live, and files will > be in the progress of changing. > > My question is, what is the recommended procedure of taking a full > backup on a live system? Ideally, if my hard drive were to crash, I > would like to have such a backup so as to make it possible to copy > over the entire backup to a new identical harddrive without doing any > reinstall or configuration. Should I use tar/gzip? dump? What exact > command should I use? I guess I'll back up all of / including system > files, because there is not too much data. I will be piping the > output to ssh. > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org" > >
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