[one-users] KVM Qemu does not mount DATABLOCK.

Leong Marco leong.chou.kin at usj.edu.mo
Fri Mar 4 06:51:16 PST 2011


Hi Ruben,

Very appreciate for your reply.

Unfortunately, even I have put all three disk to VIRTIO. It still not working. If I use ide, it seems that it is not able to have more than one IDE device. And SCSI was not supported by CentOS 5.5's kernel. 

Any idea to get around this?

Thank You !

Leong Marco
leong.chou.kin at usj.edu.mo



On Mar 4, 2011, at 6:30 PM, Ruben S. Montero wrote:

> Hi,
> 
> This seems more a KVM/libvirt issue than an OpenNebula one as the
> three devices are listed in the deployment file. There has been some
> problems reported when mixing ide and virtio disks, that may be cause
> of the problem. You may try to put the three disks under virtio to
> check if that's the problem.
> 
> Cheers
> 
> Ruben
> 
> 
> 
> On Fri, Mar 4, 2011 at 10:31 AM, Leong Marco <leong.chou.kin at usj.edu.mo> 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.kin at usj.edu.mo
>> 
>> 
>> 
>> _______________________________________________
>> Users mailing list
>> Users at lists.opennebula.org
>> http://lists.opennebula.org/listinfo.cgi/users-opennebula.org
>> 
>> 
> 
> 
> 
> -- 
> Dr. Ruben Santiago Montero
> Associate Professor (Profesor Titular), Complutense University of Madrid
> 
> URL: http://dsa-research.org/doku.php?id=people:ruben
> Weblog: http://blog.dsa-research.org/?author=7

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.opennebula.org/pipermail/users-opennebula.org/attachments/20110304/c8862547/attachment-0003.htm>


More information about the Users mailing list