I've made something like this work, but I couldn't make the datablock as
virtio. If you call for a virtio datablock by default it comes up as
/dev/vde, for which many kernels don't have the drivers.
So on mine, I declared OS image to be virtio / dev/vda,
swap to be virtio /dev/vdb
datablock to be ide /dev/hda
iso disk to be ide /dev/hdc.
Steve Timm
On Fri, 4 Mar 2011, Leong Marco wrote:
Hi all,
I have created a CentOS which is sized 2GB. I would like to add a DATABLOCK to
it. However, the DATABLOCK cannot be found with fdisk -l (in the VM). It was
able to mount the swap, but no the DATABLOCK.
Here is the config file that I have. Via
dumpxml in virsh:
<domain type='kvm' id='3'>
<name>one-103</name>
<uuid>61d4e005-8fd1-c0b5-43f4-1f75596a8451</uuid>
<memory>1048576</memory>
<currentMemory>1048576</currentMemory>
<vcpu>1</vcpu>
<os>
<type arch='x86_64' machine='rhel5.4.0'>hvm</type>
<boot dev='hd'/>
</os>
<features>
<acpi/>
</features>
<clock offset='utc'/>
<on_poweroff>destroy</on_poweroff>
<on_reboot>restart</on_reboot>
<on_crash>destroy</on_crash>
<devices>
<emulator>/usr/bin/kvm</emulator>
<disk type='file' device='disk'>
<driver name='qemu' type='raw'/>
<source file='/srv/cloud/one/var/103/images/disk.0'/>
<target dev='hda' bus='virtio'/>
</disk>
<disk type='file' device='disk'>
<driver name='qemu' type='raw'/>
<source file='/srv/cloud/one/var/103/images/disk.1'/>
<target dev='hde' bus='virtio'/>
</disk>
<disk type='file' device='disk'>
<driver name='qemu' type='raw'/>
<source file='/srv/cloud/one/var/103/images/disk.2'/>
<target dev='hdd' bus='ide'/>
</disk>
<interface type='bridge'>
<mac address='02:00:ac:19:04:0c'/>
<source bridge='br0'/>
<target dev='vnet0'/>
</interface>
</devices>
</domain>
The definition file.
CPU = 1
MEMORY = 1024
NAME = "Web Server"
OS = [ ARCH = x86_64, ROOT=hda ]
DISK = [ IMAGE = "base-centos-5.5-x86_64", bus = virtio, target = hda]
DISK = [IMAGE = "5gb-image", bus = virtio]
DISK = [TYPE = swap, SIZE= 1024, target = hdd]
FEATURES = [ACPI = yes]
NIC = [ NETWORK = "Network", IP=172.25.4.12]
Please, could anyone help one this. Since I have to prepare several VM on next
week for other students to play inside it.
Leong Marco
leong.chou....@usj.edu.mo
--
------------------------------------------------------------------
Steven C. Timm, Ph.D (630) 840-8525
t...@fnal.gov http://home.fnal.gov/~timm/
Fermilab Computing Division, Scientific Computing Facilities,
Grid Facilities Department, FermiGrid Services Group, Group Leader.
Lead of FermiCloud project.
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