Setting up CTDB on OCFS2 and VMs ...

[Stefan Kania]

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Hi Rowland,

If these addresses should be your IPs vor Clients accessing the
Cluster, you must put tese IPs in your public_addresses file and in
your DNS the hostname vor your cluster should point to both addresses.
Remeber that you have ti install "ethtool" on all nodes! So if you
start the cluster the system will pick an IP-Address out of the file.
If there is no public_addresses file your system will not get any IP.
If there is no ethtool but a public_address file, the node cant set on
of the IPs. If one node of your clusters fails the second not will get
the IP address from the failed host. BUT REMEBER you wount see the IPs
with "ifconfig" you MUST use "ip a l".

Stefan


Am 16.12.14 um 10:30 schrieb Rowland Penny:
> On 16/12/14 07:53, Stefan Kania wrote:
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>> 
>> Hi Rowland,
>> 
>> did you see that you have som Problems with IPs on node 1? 
>> 2014/12/15 16:32:28.300370 [recoverd: 2497]: Failed to find node
>> to cover ip 192.168.0.9 2014/12/15 16:32:28.300412 [recoverd:
>> 2497]: Failed to find node to cover ip 192.168.0.8 I also had
>> some problems with IP and nameresolutions at the beginning. After
>> I solved that problem everything was fine.
>> 
>> Stefan
>> 
>> 
>> 
> I did wonder about those lines, I do not have 192.168.0.8 &
> 192.168.0.9, but Ronnie posted this:
> 
> No, you should not/need not create them on the system. Ctdbd will
> create and assign these addresses automatically and dynamically
> while the cluster is running.
> 
> So, do I need to create them and if so, where? This is one of
> those areas of CTDB that doesn't seem to documented at all.
> 
> Rowland
> 


- -- 
Stefan Kania
Landweg 13
25693 St. Michaelisdonn


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