Date: Mon, 2 Oct 2006 16:01:53 -0500 From: Damian Wiest <dwiest@vailsys.com> Cc: freebsd-questions@freebsd.org Subject: Re: backup existing sata drive Message-ID: <20061002210153.GA2270@dfwdamian.vail> In-Reply-To: <20060930102033.50716.qmail@web51102.mail.yahoo.com> References: <20060929231004.GH3332@dfwdamian.vail> <20060930102033.50716.qmail@web51102.mail.yahoo.com>
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On Sat, Sep 30, 2006 at 03:20:33AM -0700, Dino Vliet wrote: > Eeh, are the differences between real backup and point > in time recovery? Point in time recovery allows you to restore you system to a single point in time. Backups, depending on how they're performed, give you multiple points in time from which to recover. > What I want is to have a identical backup drive at > every moment in time. So even if I add or delete files > on my primary hard disk, I would want to have that. > But then again, if I go this route, if I wipe out my > whole disk accidentally, the backup would be wiped out > too? But still, I'm not that stupid or, it never > happens so I don't think it will happen now. You're talking about disk mirroring which will not help you if you accidentally delete or overwrite a file. Use your system long enough and this _will_ happen. > So, I think I want to two disk to be identical so that > gives me less headache if one of them fails. > > Dump can use my ubuntu partition as well so I will be > able to use that. But that will give me point-in-time > recovery, right? Yes. Keep in mind that dump remembers, via dump levels, what's been backed up so it will do incremental backups. > Geom looks cool, I will start reading the docs and > look into them. I've found the article of Dru Lavigne, > and the freebsd handbook has some sections as well > about it and I've found > http://www.freebsdwiki.net/index.php/RAID1,_Software,_How_to_setup > > Enough to read before my drives arrive. Hope I won't > encounter problems because I'm afraid I could loose > everything. > > Thanks for your answer. I'd go with GEOM. Extremely easy to setup and maintain. -Damian
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