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RE: [Xen-users] Server hanging - Please help!

  • To: "James Pifer" <jep@xxxxxxxxxxxxxxxx>, <xen-users@xxxxxxxxxxxxxxxxxxx>
  • From: "Ian Tobin" <itobin@xxxxxxxxxxxxx>
  • Date: Tue, 1 Jun 2010 13:51:21 +0100
  • Cc:
  • Delivery-date: Tue, 01 Jun 2010 05:52:53 -0700
  • List-id: Xen user discussion <xen-users.lists.xensource.com>
  • Thread-index: AcsBghFcupb44NP8SHK+nqQeGGrQpwABsE6g
  • Thread-topic: [Xen-users] Server hanging - Please help!

What about console access? Can you do anything from there?

-----Original Message-----
From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
[mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of James Pifer
Sent: 01 June 2010 12:58
To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-users] Server hanging - Please help!

> A little more information. We did start making some disk changes on
> these servers. I was going to be moving from file based to physical
> based VMs from our SAN. 
> We added two 20gb disks at LUN1 and LUN2 and moved the 400gb disk to
> end at LUN50. I modified fstab to load the 400 gb disk at the same
> point. 
> If/when the system hangs again we'll try moving removing the 20 gb
> and have only the 400 gb disk. Don't see how this will change anything
> though. 
> Thanks,
> James

Still having some problems with this. I've now had it happen on a couple
different xen servers. I thought it was related to a specific domU, but
the latest event did not involve that one. 

Basically the server hangs, but network activity, even on the domUs, is
still there. IE, I can ping both the host and the VMs, but I can't do
anything on the host or the VMs. 

The latest one took a week before it popped up. Happened sometime
yesterday or last night. Since pings still work, I'm not sure when it

Any suggestion on how to troubleshoot this?


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