[CentOS] Re: Backup strategy using 2 HDD + 2 drawers

Thu Jan 12 14:39:03 UTC 2006
Rodrigo Barbosa <rodrigob at suespammers.org>

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On Thu, Jan 12, 2006 at 09:31:54AM -0500, Ugo Bellavance wrote:
> >Anyway, if you want to "sync up" two drives periodically, I'd suggest 
> >either using software RAID 1, and re-adding the drive to a normally-broken 
> >array, (look for the software RAID howto) or using rsync. (The latter 
> >doesn't perform nearly as well as the former, but has fewer dependencies 
> >at the filesytem level) 
> >
> >It all depends on what you're really after... 
> I thought about those 2 already... I don't know RAID much so it might be 
> an opportunity to learn.  I just don't want to break anything.  I know 
> rsync so there is less risk.  Maybe DRBD?

DRBD ? Talk about risk. That is not for the faint of heart, and it is
very easy to get it out of sync. Useful tool, but a real PITA.

RAID 1 looks like your best option.

- -- 
Rodrigo Barbosa <rodrigob at suespammers.org>
"Quid quid Latine dictum sit, altum viditur"
"Be excellent to each other ..." - Bill & Ted (Wyld Stallyns)

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