Re: [Bacula-users] bacula IPv6 status (unofficially)

Thank you very much!

It does seem like a major improvement, then. It used to be that when the IPv6 
connection failed, bacula would fail in a pretty bad way, and not fail over to 
IPv4.

Great to hear that it now gracefully degrades!

Kevin Keane
The NetTech
(North County Tech Center, LLC dba The NetTech)
http://www.4nettech.com


-----Original Message-----
From: Gavin McCullagh [mailto:gavin.mccullagh AT gcd DOT ie] 
Sent: Sunday, June 12, 2011 10:19 AM
To: bacula-users AT lists.sourceforge DOT net
Subject: Re: [Bacula-users] bacula IPv6 status (unofficially)

Hi,

On Sat, 11 Jun 2011, Kevin Keane wrote:
 
> The two problems I had:
> 
> - The default setting for bacula was wrong. It would only listen on IPv4
>   but not IPv6 unless you explicitly added a
>   DIRAddresses/FDAddresses/SDAddresses section to the respective config
>   files.

This is still true, so we put in explicit IPv6 = <hostname> entries.

> - The Windows FD could not be configured to listen on IPv6 at all.

I hadn't got to the point of a test on Windows yet, but this does seem to still 
be a problem alright.  If you put in an ipv6 fdaddress entry, the bacula-fd 
fails to start, complaining about that line.  So I guess bacula-fd for Windows 
doesn't support IPv6 yet.

> Both issues caused problems if you specified clients or SDs by DNS 
> name rather than IP, and there was an AAAA record in DNS. Bacula would 
> use the AAAA record and try to connect over IPv6, but that connection 
> timed out and the backup failed. For Linux boxes, the workaround was 
> to explicitly add the IPv6 addresses to the configuration files. For 
> the Windows machines, I had to create a second DNS name for the same 
> machine that only had an A record but not an AAAA record.

On linux, you need to explicitly put in an ipv6 address before each daemon will 
listen on IPv6.  On Windows, my experience is that the backup doesn't fail if a 
AAAA record exists for the client, there's just a bit of a delay before things 
get up and running as the initial IPv6 connection times out.

Gavin


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