[CentOS] Re: Backup strategy using 2 HDD + 2 drawers
Ugo Bellavance
ugob at camo-route.com
Thu Jan 12 14:31:54 UTC 2006
Benjamin Smith wrote:
> I hope this helps.
>
> I have an ancient AMD K6-2 running Fedora Core 1 I use just for backups.
> (Thanks, Fedora Legacy!) It's behind a NAT firewall to minimize security
> issues.
>
> It has a pile of HDDs in it, totalling well over a terabyte. (and about to be
> upgrade to near 2 TB!) It's offsite from any primary hosting, and it's always
> on. I don't bother pulling HDD out - it's already offsite!
>
> I use Backup Buddy http://www.effortlessis.com/backupbuddy to perform the
> backups. It's pretty reliable.
>
> 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?
>
> -Ben
>
> On Wednesday 11 January 2006 13:40, Ugo Bellavance wrote:
>> Hi,
>>
>> One of my CentOS 4 server is a repository for backups for other
>> machines. In this server, there is a 3ware RAID card and 2 HDD for the
>> OS + data of this server. I also have 2 drawers (each containing one
>> 200GB hdd), connected to a promise TX2000 card. One disk will remain in
>> the server and one will be taken outside. What would be the best
>> strategy for syncing the hdd when I swap them?
>>
>> Note: I don't want to do hot swap. No problem putting this server down
>> once a week. It is a development server.
>>
>> Regards,
>> --
>> Ugo
>>
>> -> Please don't send a copy of your reply by e-mail. I read the list.
>> -> Please avoid top-posting, long signatures and HTML, and cut the
>> irrelevant parts in your replies.
>>
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>
--
Ugo
-> Please don't send a copy of your reply by e-mail. I read the list.
-> Please avoid top-posting, long signatures and HTML, and cut the
irrelevant parts in your replies.
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