Tagged Questions
5
votes
1answer
2k views
KVM and Libvirt - How do I hotplug a new virtio disk?
I am trying to hot-add a file-based disk to a running KVM virtual server. I've created a new disk from scratch using the command
dd of=/home/cloud/vps_59/test.img bs=1 seek=5G count=0
and I was ...
4
votes
1answer
2k views
KVM guest io is much slower than host io: is that normal?
I have a Qemu-KVM host system setup on CentOS 6.3. Four 1TB SATA HDDs working in Software RAID10. Guest CentOS 6.3 is installed on separate LVM. People say that they see guest performance almost equal ...
2
votes
2answers
2k views
Sheepdog versus iSCSI for KVM
What is recommended storage solution as VM count grows? We currently have 5 VM servers (8 core, 32GB) and one storage server. Currently we have ~80 virtual machines running and the storage server's ...
-1
votes
1answer
171 views
virtualization platform: Ubuntu + KVM/Xen
performance and feature set offered by the latest Ubuntu 11.04?
while it works best as virtual workstation with direct attached storage, what is the tool-stack offered for server virtualization ...
2
votes
2answers
3k views
KVM Guest using Physical SATA disk
Is there a way to get my Ubuntu server (running as a guest in KVM) to use one of the hosts SATA discs? I Want it to have exclusice access and I beleve there sould be a "native" way. I have googled ...
1
vote
1answer
376 views
Shared storage for VMs without dedicated storage server
On a legacy project I've got 4 physical machines (servers, PM's) where each server has access to the SAN and fixed-space by it's own two devices (via device-mapper multipath). The local disks of the ...
7
votes
3answers
4k views
LVM volume group shared between KVM/libvirt host and guests: is this a bad idea?
I have just built a shiny new KVM/libvirt-based virtual machine host, containing 4 SATA II hard drives, and running CentOS 5.5 x86_64.
I have decided to create virtual machine disks as logical ...
