[Xen-users] Xen and QCOW problems

[J Nb <j_nwb@xxxxxxxxx>]

Hi
   I am trying to use qcow2 disks. Environment is SLES 10 SP2 dom0 and tried 
Ubuntu and CentOS domUs.

Initially used qemu-img to create disks .. but did not work. The installer did 
not recognize any disks. 

Then ran in to the following article that suggested to use qcow-create and the 
PV VM started. But is very... slow. It took more than 30 min to format 5G. And 
installation is going over 10 hrs. now.!

For HVM vm, The partitioning dialog does not show any disks! The disk entry is 
as follows.


disk=['tap:qcow:/mnt/storage/vm_disks/hvm_qcow.qcow,xvda,w', 
'file:/mnt/storage/iso/CentOS-5.4-x86_64-bin-DVD.iso,hdc:cdrom,r']


Tried tap:qcow, file as protocol and xvda, hda as disks but nothing seem to 
work.

Any ideas ?
Is anyone using qcow2 format their daily use ? or in production ?
I am trying to standardize on this so I can take snapshots.
Any help is appreciated.

-nb



      


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