RAFT and CTDB

Rowland Penny repenny241155 at gmail.com
Thu Dec 4 07:55:06 MST 2014


On 04/12/14 14:28, ronnie sahlberg wrote:
> Seriously.
>
> Richard Sharpe has just invested a lot of his time to try to help you with
> OCFS2 and have demonstrated how/what you need to do to get OCFS2 working
> with CTDB.
> And this is how you reward him?
>
> Your email is very disrespectful.
>
>
>
> On Wed, Dec 3, 2014 at 10:42 PM, steve <steve at steve-ss.com> wrote:
>
>> On 03/12/14 23:22, Richard Sharpe wrote:
>>
>>> On Wed, Dec 3, 2014 at 2:09 PM, steve <steve at steve-ss.com> wrote:
>>>
>>>> On 03/12/14 22:46, Richard Sharpe wrote:
>>>>
>>>>
>>>>>   And you can have more than one node up at the same time. Is that what
>>>>>> your setup does too?
>>>>>>
>>>>>
>>>>> Indeed. Both nodes are up at this very instant
>>>>>
>>>>
>>>> Is it better to have both nodes up at the same time? It doesn't seem to
>>>> make
>>>> much difference here. Unless we have a big jpg.
>>>>
>>> The whole point of CTDB is so that more than one node can be up at the
>>> same time and the load is shared across those multiple nodes.
>>>
>> You're almost there. A few more digs at the documentation and you'll have
>> made it. ctdb provides fail-over. Important for but not HA. As you describe
>> it.
>>
>>
>>> Do try to keep up.
>>>
>> You too.
>>
Steve's replies could have been worded better and Richard has spent a 
considerable time showing that OCFS2 will work with CTDB. The only 
problem that I can see is, whilst Richard used Centos and the Oracle 
kernel, neither of the two people who are having/have had problems with 
CTDB use this distro or kernel. If CTDB will only work with Centos and 
the Oracle kernel, then in my opinion, it has problems. The only way to 
prove this one way or the other, is for Richard to post his setup and 
for someone to try and set it up on Debian (other distros are available 
;-) ).

Rowland



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