1
vote
1answer
433 views

CentOS does not recognize new RAM or memory that was added to server

I am running CentOS 5.9 i386 on a Citrix XenServer 5.6. I installed CentOS with 3GB memory, 2GB swap. I later wanted to add more memory, so I shutdown the server and configured the VM for 8GB. After ...
1
vote
1answer
300 views

How to keep iptables organized in Xenserver?

I need to use a couple of iptables rules to allow ports for additional services and implement some NATted services. In /etc/sysconfig/iptables it says not to edit this file directly. I understand ...
0
votes
1answer
96 views

Accessing VM over VPN is very slow

We have a single physical server running XenServer 6.2 which hosts an SBS 2008 VM and 2 CentOS 6 x64 VMs. External users connect to the local network via VPN on the SBS VM. They can access ...
0
votes
1answer
331 views

How can I install a new xenserver dom0 kernel?

Since Citrix released the full source code to xenserver 6.2 I've been evaluating it. It's works very well, but there is only one problem that I haven't solved. Unfortunately, Citrix do not supply the ...
1
vote
1answer
105 views

How do I make groupinstall work on XenServer 6.2?

I have a XenServer system that I'm wanting to add some extra packages to. The problem I have is that XenServer is based on a stripped down CentOS 5.6 installation and the command "yum grouplist" ...
2
votes
2answers
3k views

XenServer 6.2 Yum Repository

I installed a clean XenServer 6.2 from the ISOs provided here. I want to compile a driver against this system and need to install make and sources and so on. If I do yum install make I get ...
4
votes
1answer
1k views

How to use more than 3 virtual disks in Linux using CentOS and XenServer

I've attached 5 virtual disks to a Virtual Machine in Citrix XenServer. The VM has the xs-tools installed. Initially it said that it couldn't add so many disks. After I installed the xs-tools, it ...
-5
votes
1answer
146 views

100% swap and high load [closed]

Why would my swap space be 100% full if I have over 2gb of free ram? I am concerned about the high load averages for having 2 virtual cpus (1 core each). Here are the server specs, it is a virtual ...
1
vote
1answer
719 views

Share IP from Xen (XCP) Dom0 to DomU

The situation: Xen Cloud Platform installed on a dedicated server. It is assigned a batch of IPs. I want to create a CentOS 6 VM (domU) that is running a WHM/Cpanel install, and has access to the ...
1
vote
1answer
491 views

CentOS will not boot. Error 13

I am having trouble with one of our CentOS servers. I migrated this server to XenServer, installed a new xen kernel, and performed a mkinitrd with: mkinitrd --omit-scsi-modules --with=xennet ...
-2
votes
1answer
121 views

Xen hypervisor maximum domu support [closed]

Can anyone please let me know that what are Xen Hypervisor 4.x limitations. How many virtual machines i can create with what memory and cpu?
3
votes
2answers
3k views

XenServer Converting HVM to Paravirtualised

Recently I have been tasked with the daunting process of converting a setup of HVM enabled VMs (running on Citrix XenServer 5.6.0) into PV (paravirtualised) containers. The constraints of the project ...
0
votes
2answers
759 views

XenServer: Linux VMs keep crashing

I'm running 5 VMs on my XenServer 5.5 host: 2x CentOS 5.5 3x Windows-based (SBS 2008, Windows 2003, Windows XP) Both Linux servers crash at random on a monthly or so basis (not at the same time ...
0
votes
1answer
169 views

Trouble With Xen Guests on CentOS

I have recently installed a new 64-bit install of CentOS 5.3 (Kernel 2.6.18-164.6.1.el5xen). I have created a xen configuration file based on what I have done in the past on other servers. When I do ...