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iarly selbir

2011-Jan-18 15:53 UTC

[CentOS-virt] cluster of virtual machines using libvirt/kvm + Gluster

Hi guys, I posted this question at virt list on Fedora Project but I guess
its a best place to ask help for my problem.

I'm trying to set up two kvm/libvirt hosts, I installed the set of packages
contained in @kvm and @clustering groups, downloaded and installed glusterfs
version 3.1.2, configured the cluster ( all working ), configured the
gluster volume and mounted it on /var/lib/libvirt/images.

The problem is when I try to create the VM, after click in
finish(virt-manager) it returns the following error:

Unable to complete install 'libvirt.libvirtError internal error unable to
start guest: qemu: could not open disk image
/var/lib/libvirt/images/test.img

Traceback (most recent call last):
  File "/usr/share/virt-manager/virtManager/create.py", line 724, in
do_install
    dom = guest.start_install(False, meter = meter)
  File "/usr/lib/python2.4/site-packages/virtinst/Guest.py", line 541,
in
start_install
    return self._do_install(consolecb, meter, removeOld, wait)
  File "/usr/lib/python2.4/site-packages/virtinst/Guest.py", line 633,
in
_do_install
    self.domain = self.conn.createLinux(install_xml, 0)
  File "/usr/lib64/python2.4/site-packages/libvirt.py", line 974, in
createLinux
    if ret is None:raise libvirtError('virDomainCreateLinux() failed',
conn=self)
libvirtError: internal error unable to start guest: qemu: could not open
disk image /var/lib/libvirt/images/test.img

# /var/log/messages

Jan 18 05:36:05 kvmsrv001 libvirtd: 05:36:05.227: error : internal error
Timed out while reading console log output
Jan 18 05:36:05 kvmsrv001 libvirtd: 05:36:05.227: error : internal error
unable to start guest: qemu: could not open disk image
/var/lib/libvirt/images/test.img


the image disk was created, but the domain(vm) is not. does someone
experienced with this error? If I umount the gluster partition and use local
disk the vm creation works fine.

Any suggestion will be appreciated.

- -
iarlyy selbir

:wq!
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iarly selbir

2011-Jan-19 16:29 UTC

head link

[CentOS-virt] cluster of virtual machines using libvirt/kvm + Gluster

debug I get using virt-install instead virt-manager

[root at kvmsrv001 ~]# virt-install -d --prompt
Wed, 19 Jan 2011 11:59:59 DEBUG    Requesting libvirt URI default
Wed, 19 Jan 2011 11:59:59 DEBUG    Received libvirt URI 'qemu:///system'
Would you like to use KVM acceleration? (yes or no) yes
Wed, 19 Jan 2011 12:00:03 DEBUG    Requesting virt method 'hvm'
Wed, 19 Jan 2011 12:00:03 DEBUG    Received virt method 'hvm'
Wed, 19 Jan 2011 12:00:03 DEBUG    Hypervisor name is 'kvm'
 What is the name of your virtual machine? test
 How much RAM should be allocated (in megabytes)? 8192
 What would you like to use as the disk (file path)?
/var/lib/libvirt/images/test.img
Wed, 19 Jan 2011 12:00:26 DEBUG    Setting size for existing storage to
'300.0'
Wed, 19 Jan 2011 12:00:26 DEBUG    Detected storage as type 'file'
Wed, 19 Jan 2011 12:00:26 DEBUG    Setting size for existing storage to
'300.0'
Wed, 19 Jan 2011 12:00:26 DEBUG    Detected storage as type 'file'
Wed, 19 Jan 2011 12:00:26 DEBUG    Setting size for existing storage to
'300.0'
Wed, 19 Jan 2011 12:00:26 DEBUG    Detected storage as type 'file'
Wed, 19 Jan 2011 12:00:26 DEBUG    DISPLAY is set: graphics defaulting to
VNC.
 What is the install CD-ROM/ISO or URL?
/var/lib/libvirt/images/win2003en.iso
Wed, 19 Jan 2011 12:00:43 DEBUG    DistroInstaller location is a local
file/path: /var/lib/libvirt/images/win2003en.iso
Wed, 19 Jan 2011 12:00:43 DEBUG    Setting size for existing storage to
'0.530550003052'
Wed, 19 Jan 2011 12:00:43 DEBUG    Detected storage as type 'file'


Starting install...
Wed, 19 Jan 2011 12:00:43 DEBUG    Setting size for existing storage to
'0.530550003052'
Wed, 19 Jan 2011 12:00:43 DEBUG    Detected storage as type 'file'
Wed, 19 Jan 2011 12:00:43 DEBUG    Creating guest from:
<domain type='kvm'>
  <name>test</name>
  <currentMemory>8388608</currentMemory>
  <memory>8388608</memory>
  <uuid>5c1f79ad-3a6c-f93c-2785-c5f49b182066</uuid>
  <os>
    <type arch='x86_64'>hvm</type>
    <boot dev='cdrom'/>
  </os>
  <features>
    <acpi/><apic/><pae/>
  </features>
  <clock offset="utc"/>
  <on_poweroff>destroy</on_poweroff>
  <on_reboot>destroy</on_reboot>
  <on_crash>destroy</on_crash>
  <vcpu>1</vcpu>
  <devices>
    <emulator>/usr/libexec/qemu-kvm</emulator>
    <console type='pty'/>
    <disk type='file' device='disk'>
      <driver name='qemu' cache='none'/>
      <source file='/var/lib/libvirt/images/test.img'/>
      <target dev='hda' bus='ide'/>
    </disk>
    <disk type='file' device='cdrom'>
      <source file='/var/lib/libvirt/images/win2003en.iso'/>
      <target dev='hdc' bus='ide'/>
      <readonly/>
    </disk>
    <interface type='bridge'>
      <source bridge='br0'/>
      <mac address='54:52:00:42:8c:20'/>
    </interface>
    <input type='mouse' bus='ps2'/>
    <graphics type='vnc' port='-1'
keymap='en-us'/>
  </devices>
</domain>



Wed, 19 Jan 2011 12:01:13 ERROR    internal error unable to start guest:
qemu: could not open disk image /var/lib/libvirt/images/test.img

Domain installation may not have been
 successful.  If it was, you can restart your domain
 by running 'virsh start test'; otherwise, please
 restart your installation.
Wed, 19 Jan 2011 12:01:13 ERROR    internal error unable to start guest:
qemu: could not open disk image /var/lib/libvirt/images/test.img
Traceback (most recent call last):
  File "/usr/sbin/virt-install", line 889, in ?
    main()
  File "/usr/sbin/virt-install", line 751, in main
    start_time, guest.start_install)
  File "/usr/sbin/virt-install", line 813, in do_install
    dom = install_func(conscb, progresscb, wait=(not wait))
  File "/usr/lib/python2.4/site-packages/virtinst/Guest.py", line 541,
in
start_install
    return self._do_install(consolecb, meter, removeOld, wait)
  File "/usr/lib/python2.4/site-packages/virtinst/Guest.py", line 633,
in
_do_install
    self.domain = self.conn.createLinux(install_xml, 0)
  File "/usr/lib64/python2.4/site-packages/libvirt.py", line 974, in
createLinux
    if ret is None:raise libvirtError('virDomainCreateLinux() failed',
conn=self)
libvirtError: internal error unable to start guest: qemu: could not open
disk image /var/lib/libvirt/images/test.img


Thanks for any help.

- -
iarlyy selbir

:wq!



On Tue, Jan 18, 2011 at 12:53 PM, iarly selbir <iarlyy at gmail.com>
wrote:
> Hi guys, I posted this question at virt list on Fedora Project but I guess
> its a best place to ask help for my problem.
>
> I'm trying to set up two kvm/libvirt hosts, I installed the set of
packages
> contained in @kvm and @clustering groups, downloaded and installed
glusterfs
> version 3.1.2, configured the cluster ( all working ), configured the
> gluster volume and mounted it on /var/lib/libvirt/images.
>
> The problem is when I try to create the VM, after click in
> finish(virt-manager) it returns the following error:
>
> Unable to complete install 'libvirt.libvirtError internal error unable
to
> start guest: qemu: could not open disk image
> /var/lib/libvirt/images/test.img
>
> Traceback (most recent call last):
>   File "/usr/share/virt-manager/virtManager/create.py", line 724,
in
> do_install
>     dom = guest.start_install(False, meter = meter)
>   File "/usr/lib/python2.4/site-packages/virtinst/Guest.py", line
541, in
> start_install
>     return self._do_install(consolecb, meter, removeOld, wait)
>   File "/usr/lib/python2.4/site-packages/virtinst/Guest.py", line
633, in
> _do_install
>     self.domain = self.conn.createLinux(install_xml, 0)
>   File "/usr/lib64/python2.4/site-packages/libvirt.py", line 974,
in
> createLinux
>     if ret is None:raise libvirtError('virDomainCreateLinux()
failed',
> conn=self)
> libvirtError: internal error unable to start guest: qemu: could not open
> disk image /var/lib/libvirt/images/test.img
>
> # /var/log/messages
>
> Jan 18 05:36:05 kvmsrv001 libvirtd: 05:36:05.227: error : internal error
> Timed out while reading console log output
> Jan 18 05:36:05 kvmsrv001 libvirtd: 05:36:05.227: error : internal error
> unable to start guest: qemu: could not open disk image
> /var/lib/libvirt/images/test.img
>
>
> the image disk was created, but the domain(vm) is not. does someone
> experienced with this error? If I umount the gluster partition and use
local
> disk the vm creation works fine.
>
> Any suggestion will be appreciated.
>
> - -
> iarlyy selbir
>
> :wq!
>
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