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Re: [libvirt-users] [Qemu-devel] Qcow2



Hello Stephen,

Any update on this... what could be the reason... If I am not able to
start VM and if I add two virtual hard disk and one virtual hard disk is
more than 500GB.

Virtual harddisk type is virtio. Created by using qcow2

Thanks,
-Arun

-----Original Message-----
From: Arun Sasi V (WI01 - Manage IT) 
Sent: Monday, May 30, 2011 3:02 PM
To: 'Stefan Hajnoczi'
Cc: 'stefanha linux vnet ibm com'; 'qemu-devel nongnu org';
'libvirt-users redhat com'
Subject: RE: [Qemu-devel] Qcow2

Hello Team,

Please help me to solve this...

Find the below error 

May 30 12:21:29 sd0005srv01 kernel: [19836592.317217] device vnet0
entered promiscuous mode
May 30 12:21:29 sd0005srv01 kernel: [19836592.319449] br0: port 2(vnet0)
entering learning state
May 30 12:21:29 sd0005srv01 nm-system-settings:    SCPlugin-Ifupdown:
device added (udi: /org/freedesktop/Hal/devices/net_ce_1b_36_05_70_14,
iface: vnet0): not well known
May 30 12:21:30 sd0005srv01 avahi-daemon[3449]: Registering new address
record for fe80::cc1b:36ff:fe05:7014 on vnet0.*.
May 30 12:21:33 sd0005srv01 nm-system-settings: Added default wired
connection 'Auto vnet0' for
/org/freedesktop/Hal/devices/net_ce_1b_36_05_70_14
May 30 12:21:38 sd0005srv01 kernel: [19836601.316008] br0: topology
change detected, propagating
May 30 12:21:38 sd0005srv01 kernel: [19836601.316014] br0: port 2(vnet0)
entering forwarding state
May 30 12:21:39 sd0005srv01 kernel: [19836602.949751] vnet0: no IPv6
routers present
May 30 12:21:59 sd0005srv01 libvirtd: 12:21:59.278: error : internal
error Timed out while reading console log output
May 30 12:21:59 sd0005srv01 libvirtd: 12:21:59.278: error : internal
error unable to start guest:
May 30 12:21:59 sd0005srv01 avahi-daemon[3449]: Withdrawing address
record for fe80::cc1b:36ff:fe05:7014 on vnet0.
May 30 12:21:59 sd0005srv01 kernel: [19836622.479659] br0: port 2(vnet0)
entering disabled state
May 30 12:21:59 sd0005srv01 kernel: [19836622.493771] device vnet0 left
promiscuous mode
May 30 12:21:59 sd0005srv01 kernel: [19836622.493773] br0: port 2(vnet0)
entering disabled state
May 30 12:21:59 sd0005srv01 nm-system-settings:    SCPlugin-Ifupdown:
devices removed (udi: /org/freedesktop/Hal/



Thanks,
-Arun


-----Original Message-----
From: Arun Sasi V (WI01 - Manage IT) 
Sent: Monday, May 30, 2011 2:24 PM
To: 'Stefan Hajnoczi'
Cc: 'stefanha linux vnet ibm com'; 'qemu-devel nongnu org';
'libvirt-users redhat com'
Subject: RE: [Qemu-devel] Qcow2

Hello Stefan,

I can see some error messages 

May 30 11:36:49 sd0005srv01 libvirtd: 11:36:49.044: error : internal
error Timed out while reading console log output
May 30 11:36:49 sd0005srv01 libvirtd: 11:36:49.044: error : internal
error unable to start guest:

I am using ubuntu 9.04

Thanks,
-Arun

-----Original Message-----
From: Stefan Hajnoczi [mailto:stefanha gmail com] 
Sent: Friday, May 20, 2011 12:35 AM
To: Arun Sasi V (WI01 - Manage IT)
Cc: stefanha linux vnet ibm com; qemu-devel nongnu org;
libvirt-users redhat com
Subject: Re: [Qemu-devel] Qcow2

On Thu, May 19, 2011 at 3:24 PM,  <arun sasi1 wipro com> wrote:
> I couldn't find any error when I do consistency check on the image
file...

Good, so there are no problems with your data.

> What can be the reason for not starting the VM.

Did you find any more error messages besides the sound related errors
in /var/log/libvirt/qemu/<domain>.log?

> Here I am suspecting when the base server go for reboot lesser image
will start and it cached and larger image will take more time to create
the cache...
>
> Was this correct... if yes could you please help me how to increase
the caching...

No, there is no "cache creation".  There is no startup delay for qcow2
image files.

Stefan


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