Re: bind8 and bind9 installed on the same server: possible?

2011-02-01 Thread Eivind Olsen
> I plan to upgrade my nameservers from bind8 to bind9.
> I guess I will encounter some compatibility problems notably in the layout
> of the zone files

Depends how freaky the zonefiles were before. You could end up having to
_not_ change a thing except for a couple of changes in your named.conf.

> - can anybody give me the point of attention for this upgrade? Your
> experience will be appreciated.

Well, I don't know if there are any oddities to your setup. At the very
least, I'd recommend you run through your named.conf with
"named-checkconf" from BIND 9. If it's an option, you could copy your
named.conf + all the zonefiles etc to another server (or VM, zone, jail
etc) and try to load it there.

If you're running a pretty much standard authoritative server, it
shouldn't be too hard to get this to work with BIND 9.

> - is it possible to install bind9 without removing bind8 in order to could
> easily and quickly swith from bind8 to bind9 and vice versa?

As was suggested by others, if you compile from source it's easy to give
each version a specific directory to live in. If you on the other hand
like to go with some vendor supplied BIND for some operating system /
distribution, I guess it depends on how it's packaged etc.

Regards
Eivind Olsen


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Re: bind8 and bind9 installed on the same server: possible?

2011-02-01 Thread Jeremy C. Reed
On Tue, 1 Feb 2011, hugo hugoo wrote:

> I plan to upgrade my nameservers from bind8 to bind9.
> I guess I will encounter some compatibility problems notably in the layout
> of the zone files
>  
> - can anybody give me the point of attention for this upgrade? Your
> experience will be appreciated.

The BIND 9 source includes "BIND 8 to BIND 9 Migration Notes".

Please see doc/misc/migration

> - is it possible to install bind9 without removing bind8 in order to could
> easily and quickly swith from bind8 to bind9 and vice versa?

If installing from source, you can build BIND 9 using ./configure 
--prefix=/usr/local/bind9 (change path has you like to not overwrite 
existing).


  Jeremy C. Reed
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Re: bind8 and bind9 installed on the same server: possible?

2011-02-01 Thread Phil Mayers

On 01/02/11 16:33, hugo hugoo wrote:

Dear all,

I plan to upgrade my nameservers from bind8 to bind9.
I guess I will encounter some compatibility problems notably in the
layout of the zone files

- can anybody give me the point of attention for this upgrade? Your
experience will be appreciated.

- is it possible to install bind9 without removing bind8 in order to
could easily and quickly swith from bind8 to bind9 and vice versa?


We used to compile different versions of bind9 to different locations 
using ./configure --prefix=/usr/local/bind-$VER then use symlinks to 
switch between versions - that's probably your best approach.


(We don't bother these days, and build OS packages and use cfengine to 
manage configs and versions)

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bind8 and bind9 installed on the same server: possible?

2011-02-01 Thread hugo hugoo

Dear all,
 
I plan to upgrade my nameservers from bind8 to bind9.
I guess I will encounter some compatibility problems notably in the layout of 
the zone files
 
- can anybody give me the point of attention for this upgrade? Your experience 
will be appreciated.
 
- is it possible to install bind9 without removing bind8 in order to could 
easily and quickly swith from bind8 to bind9 and vice versa?
 
 
Thanks for your support.
 
Hugo, ___
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