Re: Cluster unresponsive when deploying virtual machine with cobbler/koan
LizardKings wrote:
When we create a new virtual machine with cobbler / koan the xen vm
config file is created with the following line:
disk = [ "file:/var/lib/xen/images/xennode1-disk0,xvda,w" ]
Is it possible to change this before the installation begins?
to:
disk = [ "tap:aio:/var/lib/xen/images/xennode1-disk0,xvda,w" ]
This is not yet implemented, but read this:
https://fedorahosted.org/pipermail/cobbler/2009-May/004272.html
Patches welcome if you want to push this along.
An installation with the "file" option make our running and
existing xen
virtual machines in the whole rhel5.3 cluster unresponsive ( 8 x dom0 ).
As a workaround we use now virt-install who uses tap:aio.
The root cause of the bad default is in python-virtinst, which is the
underlying library that koan and virt-install both use.
While we may work around it in koan, the proper thing to do is to have
the default be in python-virtinst, not done in virt-install.
DG
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