[CentOS] Re: Backup strategy using 2 HDD + 2 drawers
Ugo Bellavance
ugob at camo-route.com
Thu Jan 12 15:59:49 UTC 2006
Rodrigo Barbosa wrote:
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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.
But RAID 1 would require me to remake the partitions on the disks? I
don't have room to put the data elsewhere. I have 117 Go of data on one
disk (hde). Could I create the partitions on the other disk, then copy
over to the other disk (hdg), then create the raid?
Thanks,
>
> - --
> 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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--
Ugo
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