Date: Tue, 7 Oct 2008 16:50:59 +0100 From: Shaun Amott <shaun@FreeBSD.org> To: Evren Yurtesen <yurtesen@ispro.net> Cc: Sean Bruno <sbruno@miralink.com>, freebsd-hackers@freebsd.org Subject: Re: continuous backup solution for FreeBSD Message-ID: <20081007155059.GA20615@charon.picobyte.net> In-Reply-To: <48EA83CE.4060702@ispro.net> References: <48E9E1BB.6020908@ispro.net> <48EA3451.7040801@miralink.com> <48EA83CE.4060702@ispro.net>
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On Tue, Oct 07, 2008 at 12:31:58AM +0300, Evren Yurtesen wrote: > > so FreeBSD could be supported also. As you can imagine, it is not only > important that data can be restored when a box hardware failure etc. it is > also important that data can be restored if deleted by accidents etc. While > traditional backup programs provide this functionality, you cant really go > back to 10 min or 1h ago, often they take daily backups and have to scan > whole filesystem for changed files every time the backup is taken which > stresses out the systems. > This can (more or less) be achieved with snapshots: you can cheaply maintain old versions of the file system, and mount an old snapshot at any time. Hourly is about as fine-grained as you can expect though. -- Shaun Amott // PGP: 0x6B387A9A "A foolish consistency is the hobgoblin of little minds." - Ralph Waldo Emerson
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