Mikael Ronström wrote:
> Hi Lewis,
> 2004-12-28 kl. 22.15 skrev Lewis Bergman:
>> After comparing Alex's config.ini and setup and mine they are both
>> identical except he uses IP's and I was using host names. After
>> changing mine to IP's both nodes connected.
>> Can't seem to get the API's going yet but at least the nodes look right.
>> This seems like a documentation glitch unless I am way off base with
>> what i have tried.
> Hostnames certainly work with MySQL Cluster. But using hostnames
> introduces quite a few error sources since a proper
> DNS lookup system must be set-up, sometimes /etc/hosts must be edited
> and their might be security blocks ensuring that
> communication between certain machines is not possible other than on
> certain ports. I remember a problem 5 years ago
> when at one site I needed to use hostnames without the full name (only
> the name in the domain, e.g. mysql1) and in
> another site I needed to use full names e.g. mysql1.domain.se.
> Thus if there are problems with host names it seems like a good path to
> use IP-addresses instead.
> MySQL Cluster uses gethostbyname or a variant of it to translate name so
> to debug hostname problems please check:
> man gethostbyname
> where particularly /etc/host.conf and /etc/hosts aer mentioned as
> important and this manual page refer to the named service
> which uses /etc/bind/named.conf* as configuration files.
> Rgrds Mikael
As an additional note I found that I had no in-addr-arpa record on my name
server. I don't know if that would have fixed my particular host name
problem since the docs for gethostbyname don't mention doing in reverse
checks but for the sake of completeness I thought this might help someone else.
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