Eric at on 12 Dec 2010 13:23:25 -0800

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Re: [PLUG] 3-way data mirror?

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This is a wild guess but perhaps DRBD would work?

If you could set up a VPN with appropriate QOS and get a fast enough link... ?

Just a thought.


On 12/12/2010 12:52 AM, JP Vossen wrote:
> I have a situation where I have 2 labs that need to keep ~150G of data in sync,
> but they can't talk to each other.  They can talk to a 3rd machine, which is
> also backed up, so...
> What I think I'd like to do is have:
>     Lab1 <--> COLO <--> Lab2
> The problem is that lab1 and lab2 are both read-write, so there is a real
> possibility of stepping on changes.  COLO is read-only.
> I'd try to just relay through the COLO, but that's also where the backup will
> happen.  And I can't get the FW rules changed.
> Any better ideas?
> Any suggestions on tools?  I'd strongly prefer something already in the CentOS-5
> or EPEL repos.
> Thanks,
> JP
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