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xen-users
Re: [Xen-users] Domain duplication
mpeters@xxxxxxxxxxxxxxx a écrit :
Quoting Benjamin Watine <watine@xxxxxxxx>:
Hi the list, first post here !
I would like to duplicate v3.0.3 xen domain configured with file volume.
So I configured a new VM using virt-install script. After installation
process finished, I copy (duplicate) the file volume and the
configuration file. I edit name, disk, mac address on vif on the config
file, and quote uuid parameter.
(First : how to deal with this uuid ? Removing it is OK ? Can I put the
uuid I want ?)
I run the new duplicated machine. All seems to be OK, but the network
interface doesn't work anymore. Xen seems to have recreated a new
interface (eth0), and have renamed the old in eth0.bak.
I would like to know how to avoid that ; I would like that eth0 remains
configured like it was before duplication.
Maybe I don't use a good method for duplicating domains. If anyone have
some documentation to do that.
Thanks
Ben
If I understand correctly, this sounds like a similar problam to the one
encountered by Tomoki Taniguchi earlier today. Depending upon your Linux
Distro/version, look for an entry corresponding to eth0 in either /etc/iftab or
/etc/udev/rules.d/30-net_persistent_names.rules and delete it. Next, if the
config for the interface is stored in a file named as per the MAC address, eg
/etc/sysconfig/network/ifcg-eth-id-00:aa:aa:aa:aa:aa, you need to rename that
to
/etc/sysconfig/network/ifcg-eth-id-00:bb:bb:bb:bb:bb, where the new name matches
the new MAC address on the clone.
The problem is that eth0's configuration is tied to the MAC address from the
machine you cloned, this MAC address doesn't exist on your copy. Removing the
lines from the above mentioned files and renaming the config file will enable
eth0 to be configured for the interface of your new DomU.
Thank you for your answer.
Yes, the hardware adress of my interface is explicitely configured in
the device file of my distro (RHEL5) :
/etc/sysconfig/networking/device/ifcfg-eth0
I will try to delete this line in my source disk to make it "non MAC
dependant", or I'll correct it later in the duplicated machine.
But, the way I use to duplicate machine is correct ? Nothing to say
about this "simple" method ?
Thanks again, and sorry for my english !
Ben
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