[cobbler] Kickstaring across a site-to-site link
alastair at alastair-munro.com
alastair at alastair-munro.com
Fri Aug 15 09:28:16 UTC 2014
Hi
You are probably best creating a local cobbler slave server. This will
also save doing installs across your wan link. I wrote this recently
that might help:
https://github.com/cobbler/cobbler/wiki/Speeding%20up%20triggers%20to%20sync%20remote%20cobbler%20servers
Or a vlan that traverses data centers? Install on vlan and the swap
IPs/vlan after build?
Alastair
On 2014-08-15 01:53, Caleb Moniot wrote:
> Cobblers,
>
> I'm sure I'm not the only one in this situation so I'm hoping some
> others in the cobbler community can lend me the benefit of their
> experience in this scenario.
>
> I'm in a environment where I don't have control over the DHCP
> configuration. To get around this I setup cobbler and used dnsmasq's
> proxy-dhcp feature. This has been working great but now we've grown
> beyond our current server room and have added a new building with a
> site-to-site link. The servers I need to kickstart to are across this
> link. Everything's routed so I can access the systems (physical, VM
> hosts, etc) normally when they have and OS. The problem is that my
> cobbler server now can't hear their DHCP requests so they don't pxe
> boot.
>
> For the time being I'm using the buildiso feature of cobbler to create
> an ISO that contains all the system entries for the servers across the
> link and using that to boot them for kickstarting. This gets them
> kickstarted but we're in a testing environment so this process will be
> done frequently (sometimes multiple times per day). Manually
> booting, selecting the correct system entry, then detaching the ISO
> once complete will quickly become cumbersome when kickstarting lots of
> systems.
>
> So far what's I've considered is:
>
> * Direct connect from cobbler server to remote site.
> * Mirrored cobbler server at remote site.
>
> Are there any other features of cobbler that I could leverage to solve
> this problem or does anyone else have recommendations from their
> experience in a similar situation?
>
> Sincerely,
>
> Caleb Moniot
>
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