Xen users - Apr 2008 - Do I need portmap, haldeamon & xfs running on dom0?

Hi all

I have a CentOS 5.1 server running Xen and recently installed 
ConfigServer Firewall (CSF) on the main node to give it some protection. 
On a daily basis I''m getting an email about portmap. haldeamon and xfs 
consumming too much resources. The main node, dom0 doesn''t even do 
anything, and everything is done on the domU''s

Here''s a thread I''ve posted on the ConfigServer Forums: 
http://forum.configserver.com/showthread.php?t=1225

So, do I really need these three components for Xen to work properly?

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> I have a CentOS 5.1 server running Xen and recently installed
> ConfigServer Firewall (CSF) on the main node to give it some protection.
> On a daily basis I''m getting an email about portmap. haldeamon and
xfs
> consumming too much resources. The main node, dom0 doesn''t even do
> anything, and everything is done on the domU''s
>
> Here''s a thread I''ve posted on the ConfigServer Forums:
> http://forum.configserver.com/showthread.php?t=1225
>
> So, do I really need these three components for Xen to work properly?
None of them are directly required by Xen.  They may be required by other 
components in your system (particularly in the case of haldaemon, I would 
guess).  Hal does all sorts of stuff involving hotplugging of devices, etc 
that I''m not very clear on.  Portmap is, I think, something to do with
NFS,
xfs is the X font server - I''m not sure what it does but I doubt you
need
that on a typically dom0 either.

You could try switching them off and seeing if anything breaks ;-)

Cheers,
Mark

-- 
Push Me Pull You - Distributed SCM tool (http://www.cl.cam.ac.uk/~maw48/pmpu/)

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Mark Williamson wrote:
>> I have a CentOS 5.1 server running Xen and recently installed
>> ConfigServer Firewall (CSF) on the main node to give it some
protection.
>> On a daily basis I''m getting an email about portmap. haldeamon
and xfs
>> consumming too much resources.
Xen does not require portmap and xfs and u can safely trun them off. It 
need haldaemon to hotplug devices.

--Sadique
>>  The main node, dom0 doesn''t even do
>> anything, and everything is done on the domU''s
>>
>> Here''s a thread I''ve posted on the ConfigServer
Forums:
>> http://forum.configserver.com/showthread.php?t=1225
>>
>> So, do I really need these three components for Xen to work properly?
>>     
>
> None of them are directly required by Xen.  They may be required by other 
> components in your system (particularly in the case of haldaemon, I would 
> guess).  Hal does all sorts of stuff involving hotplugging of devices, etc 
> that I''m not very clear on.  Portmap is, I think, something to do
with NFS,
> xfs is the X font server - I''m not sure what it does but I doubt
you need
> that on a typically dom0 either.
>
> You could try switching them off and seeing if anything breaks ;-)
>
> Cheers,
> Mark
>
>   

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