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RE: [Xen-users] [XCP] Changing IP on XCP pool members.

Yes, I tried, but after changing the host IP,  XE stopped being able to contact the Xen Server process to use the host-management-reconfigure-ip or pool-emergency-reset-master.  I think I have it running again now... I found in the /etc/xensource files where the Master IP was... I updated that, restarted the process and it reconnected.  Not sure if its truly fixed, but so far seems to be working.


From: Jonathan.Ludlam@xxxxxxxxxxxxx
To: buckykattnj@xxxxxxxxxxx
Date: Tue, 12 Oct 2010 13:33:46 +0100
Subject: Re: [Xen-users] [XCP] Changing IP on XCP pool members.
CC: george.shuklin@xxxxxxxxx; xen-users@xxxxxxxxxxxxxxxxxxx

Did you try 'xe pool-emergency-reset-master' as George suggested?


On 12 Oct 2010, at 13:04, Buckminster Katt wrote:

Ahhh... I was hoping that there was a way to do this with xsconsole or xenopenmanager.  Using xe seems akin to brain surgery on oneself.

So, I did the xe host-management-reconfigure IP on the master.  When I did it on the slave, everything froze after I did the xe pif-reconfigure-ip... so now I can't talk to the slave anymore.  I can see via ifconfig that it changed IPs... and I can SSH to it, but any xe command fails with a "The server failed to handle your request, due to an internal error.  The given message may give details useful for debugging the problem.  message: INTERNAL_ERROR: [ Xmlrpcclient.Connection_reset ]"

Any way to get recontrol over the slave?  Or am I screwed?


> 1. Use xe host-management-reconfigure to change hosts IP in normal way.
> 2. Use xe pool-emergency-reset-master to point to pool master on every
> slave.
> 3. Use xe [tab] and learn meaning of every command (except ha/wlb, which
> one is broken in XCP).
> , 09/10/2010 04:45 -0400, Buckminster Katt :
> > 
> > Hello.
> > 
> > So I attempted to move my two XCP servers to new IPs, and seem to have
> > tripped over a problem. They are in a pool... and when I changed the
> > main one's IP... I discovered I couldn't change the IP on the second
> > one. Then I noticed I was unable to change the IP on the slave... and
> > it seems that taking it out of the pool will destroy the VMs on the
> > slave.
> > 
> > Luckily, I was able to change the main server back to the original IP
> > and everything worked, but now I have lost remote access to them, so I
> > really need to change the IPs... can someone point me to a page that
> > describes how this is done to avoid losing VMs? I'm sure its
> > something easy that I have missed.
> > 
> > Thanks.
> > 
> > BK
> > 
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> > Xen-users mailing list
> > Xen-users@xxxxxxxxxxxxxxxxxxx
> > http://lists.xensource.com/xen-users
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