3
votes
1answer
47 views

How To Monitor And Alert For KVM Hypervisors

We have an environment where we are currently monitoring ~50 VM hosts running esxi. We easily get alerts for hardware events and exceeding performance thresholds via vcenter. We're planning on ...
2
votes
1answer
86 views

What is the recommended method to prepare Red Hat/CentOS 7 templates?

If I need to deploy Red Hat 7 from template, I would like to take the recommended steps to make my "golden image" clean. It should boot to the first boot prompt and guide the user through the typical ...
1
vote
1answer
42 views

Under what circumstances could multiple VMs and mounted drives have corruption at the same time?

Today I had to fix 3 VMs with near identical file system errors all running Redhat 5 or 6. Basically the VMs had corrupted inodes and remounted / as a read-only file system, also corrupting several ...
2
votes
2answers
381 views

RHEV Manager best practises

I've been playing around with RHEV. I was wondering what is the best practise for the RHEV Manager in terms of installation. In a big production environment is it best for the Manager to be installed ...
1
vote
0answers
90 views

Red Hat Virtualization, slow DB writes or network from virtual machine

I am running JBoss on both a physical machine, and a VM that runs within that same physical machine. The JBoss instance on physical machine is operating fast, but the JBoss on VM is slow (several ...
1
vote
1answer
288 views

How to retrieve virtual machines from a pool via API in oVirt (RHEV)

In oVirt (Red Hat Enterprise Virtualization) you can create a Virtual Machines Pool to allow your users to retrieve virtual machines from this pool. I found how a user, in the RHEV User Portal, can ...
-2
votes
5answers
1k views

Unable to ping Redhat 5.6 instance on vmware esx 5.1

I am running vmware esx 5.1 and I've created an instance of red hat 5.6 Desktop with a static ip address. When I restart the red hat guest I am able to ping it from another system but then as soon as ...
1
vote
2answers
2k views

How do i connect my host browser to my guest web server

I have VMWare workstation 8 installed on a windows 7 machine. I have RedHat Enterprise Linux (RHEL) 6 running as a guest OS under VMWare. I am trying to get my web browser from windows 7 host to ...
2
votes
4answers
576 views

How to access AoE block device from Redhat Hypervisor

This is the first time I've used Redhat Enterprise Virtualisation Manager & Redhat Hypervisor, after normally going the more home grown approach of a group of Redhat/CentOS KVM hosts. Our SAN ...
3
votes
2answers
5k views

Clone kvm/qemu VM to a different server

What's the easiest/quickest way to clone a VM from one server onto another if you don't have shared storage between the two servers (so you can't do a standard migration)? I have a production ready ...
5
votes
3answers
9k views

What is the difference between RHEV and oVirt?

When I read the wikipedia articles about RHEV and oVirt, I can't really figure out why Red Hat have both projects, as they seam to solve the same problem? http://en.wikipedia.org/wiki/RHEV ...
1
vote
1answer
100 views

Red Hat dynamic partitioning of hardware resources

I'd like to understand how easy it is to dynamically reconfigure Virtual Machines on a RHEL server. Ideally I would like to be able to have the flexibility of IBM's PowerVM. Dynamically ...
5
votes
2answers
7k views

Changing boot device for a QEMU-KVM virtual machine

I am trying to change the boot device for a VM. I go to the VM's XML file in /etc/libvirt/qemu and set <boot dev='cdrom' />. Still, it attempts to boot from the harddrive instead of the cdrom. ...
2
votes
1answer
7k views

virt-convert OVF to KVM

I use a Red Hat Enterprise Virtualization system and need to get a VM off the system an onto a standalone box running KVM. Red Hat don't seem to support a way to do this, but commented that the ...
2
votes
2answers
417 views

Virtual Macines in RHEL6

Can we make virtual machines in RHEL6 with each having static ip's and have individual connection from other network and without using a bridge.
1
vote
2answers
435 views

Netinstalling CentOS if the gateway is in a different subnet

I have a KVM host (A) running a virtual machine (B). They each have their own external IP address and the networking is setup using bridging between eth0 and br0 on A. B uses eth0, with A being the ...
1
vote
2answers
409 views

Is it possible somehow to run old red hat 8.0 32bit inside debian 4.0 64bit (virtualization)?

So I've got this disk image file of a failing server that I'd like to run inside much newer box. Since I cannot dedicate this new machine I'm thinking virtualization. Is it possible?
0
votes
1answer
68 views

Does Cloned VM use the same Hard Disk space of Guest?

if i clone a guest VM in RHEL6 does the clone use the same Hard disk space of the guest? The aim is not to, as each guest VM, cloned or the normal guest should have it own hard disk space allocated. ...
0
votes
2answers
240 views

Can RHEL6 VM Guest access some files of RHEL6 Server,Host

Can the guest vm's access the host machine file system in RHEL6 virtualisation. Is there any protocol?And how to configure it?Because the guests should have access to host files everytime and without ...
0
votes
1answer
239 views

Virutal Machine in RHEL6

Can we configure virtualisation or make virtual machines which has access from and to other outer n/w's using GUI. Bcoz i tried making VM using command mode,and it didnt work out.So is there anyway i ...
1
vote
6answers
1k views

KVM live migration between Intel and AMD processors

When using KVM for virtualisation on Redhat (RHEV), is it possible to live migrate VMs between AMD and Intel boxes? In particular, I'm interested in Opteron 6100 and Intel Xeon 5200 series. There ...
0
votes
2answers
109 views

Turn existing Red Hat Server into desktop VM

Is it possible to download an existing Red Hat installation and use this in a VM that I can run on the desktop. The problem I'm trying to solve is building an exact replicate of a production server ...
0
votes
3answers
185 views

Remote desktops with RedHat “Server” package?

I'm investigating options for a small corporate virtualisation setup. We specialise in scientific computing and would like to consolidate our resources. We are keen on KVM, since it looks like it ...
1
vote
1answer
337 views

Trying to pass NIC to domU causes kernel panic

I'm using CentOS 5.5 x64 on both the dom0 and domU. I am attempting to pass-through a 3-port NIC (Realtek Semiconductor Co., Ltd. RTL-8110SC/8169SC Gigabit Ethernet (rev 10)) to the domU using ...
0
votes
1answer
710 views

What --virt-type should I use with virt-install?

When I look at "man virt-install" for Fedora 13 I see --virt-type The hypervisor to install on. Example choices are kvm, qemu, xen, or kqemu. Availabile options are listed via 'virsh ...
8
votes
2answers
2k views

Adding new virtual disks to a RHEL host in ESX “live”

I'm sure I've just missed which tutorial/manual page covers this, but how do you add get the guest OS to recognize that you've added new drives to it without a reboot? I have a RHEL5 guest running on ...
1
vote
2answers
101 views

Making a bootable image of linux Red Hat Ent Es for a VM

I have a old server running Red Hat that has some valuable apps installed. I would like to create a bootable image of the drive and install it in a VM on a newer server. i am trying to avoid ...
0
votes
1answer
243 views

Getting your free RHN Entitlements for Para-Virtualised machines?

We run Xen on an RHEL 5 host with RHEL 5 paravirtualised guests. In theory we are entitled to 4 free entitlemets for paravirtualised guests on each Xen host with the "Virtualisation" entitlement. I ...
1
vote
5answers
691 views

Xen: Virtual Red Hat on Debian possible?

I have no idea, is it possible to run a virtual Red Hat server on a debian system? If yes, how? I have debian lenny. Thank you
0
votes
2answers
304 views

REDHAT VM to run as HOST

I'm running a RHEL5 w/ 1 VM, that VM runs it's own LVM (boot, swap and root). so now what I need is to be able to boot directly into that VM bypassing my host enviroment and making my VM is a host, I ...