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On 06/10/2011 12:39 AM, Simon Horman wrote:
> On Thu, Jun 09, 2011 at 11:53:21PM -0700, Ray W. Johnson wrote:
>
>>
>> On 06/09/2011 05:01 PM, Simon Horman wrote:
>>
>>> On Thu, Jun 09, 2011 at 01:33:46PM -0700, Ray W. Johnson wrote:
>>>
>>>
>>>> Greetings all,
>>>>
>>>> New to the list and to LVS. Just need a bit of insight. Please excuse
>>>> these potential newbie questions.
>>>>
>>>> I read through most of the HOWTO (:-1) specifically on the LVS-DR setup
>>>> (http://www.austintek.com/LVS/LVS-HOWTO/HOWTO/LVS-HOWTO.LVS-DR.html). I
>>>> think this is the best way to accomplish my goal.
>>>>
>>>> I have 10 servers, all with regular IPs. One will act as director, the
>>>> others as real servers. However, I do not have direct access to them.
>>>> Only via SSH login. So my questions are directly related to remote access.
>>>>
>>>> Is setting up LVS via SSH even possible?
>>>>
>>>> Can all the servers have IP aliases that allow me direct access via SSH?
>>>>
>>>> Can I just use normal/public IPs (and not private 192. IPs)? (note: the
>>>> director will eventually be set to only allow connections from specified
>>>> outside IPs/clients and those connections will have heavy filtering)
>>>>
>>>> Am I missing something critical? :/
>>>>
>>>> Thanks for any info or insight. I will be re-reading the HOWTOs and docs.
>>>>
>>>>
>>> Hi Ray,
>>>
>>> the answer to all your questions is Yes.
>>>
>>> If you are planning to do this without remote access you
>>> will need to be careful that you don't loose network connectivity
>>> - e.g. due to a misconfiguration while setting things up.
>>> For this reason I would suggest using at least one of the
>>> following if possibile.
>>>
>>> 1) A separate physical NIC for admin
>>> 2) Serial console or other lights-out access
>>>
>>> If that is not possible you will just need to be super careful.
>>> I would start with a trial run on machines you do have console
>>> access to.
>>>
>>>
>> I will do a trial run on my extra laptop.
>>
>> The director has kernel version 2.6.18-238.el5. Do I still need to patch
>> or download one from ftp.kernel.org?
>>
> That version should work fine although many new features have been added
> since then. If you want/need the latest version of LVS, the latest kernel
> is the best place to be.
>
>
>> And, the servers need an RIP and VIP, can the VIP's still be private
>> (192.x.x.x) IPs?
>>
> Yes.
>
>
Sweet! Thanks! I will get the latest kernel.
--RayJ
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