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Re: [Xen-users] Migrating XEN VMs on CentOS 4.4 to CentOS 5
| To: | Wayne Mallett <wayne.mallett@xxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-users] Migrating XEN VMs on CentOS 4.4 to CentOS 5 |
| From: | Nico Kadel-Garcia <nkadel@xxxxxxxxx> |
| Date: | Fri, 11 May 2007 21:33:35 +0100 |
| Cc: | xen-users@xxxxxxxxxxxxxxxxxxx |
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Wayne Mallett wrote: Yeah, RedHat seems to have done some serious oddnesses to fit Xen into their industrieal system management approach. Migrating *old*, customized systems is unlikely to work well..G'day All,I read/heard(?) somewhere that xvda was the future and use of hda, sda, etc. was going to be phased out. My main aim was to move xensource 3.0.3 VMs onto CentOS-5 (2.6.18-el5xen or subsequent kernel). At present I have given up on the XEN distributed in CentOS 5 and started working with XEN 3.1.0. However, I would still be interested in knowing how to migrate VMs to the distribution installed XEN. I tried an "xm migrate ..." but it didn't work (my XEN is setup for host-to-host migrations and they have worked in the past). I have also tried using the same xen configuration file and moving contents of the logical volumes around but the VM won't boot on the new system. I do *not* use internal LVM's inside a Xen guest domain. There's little point in it or in the unnecessary CPU overhead: leave the LVM work to occur on the host domain, not the guest domain. I also don't particularly like the insistince on using pygrub by the virt-install and virt-manager tools: Just install the kernel on the Dom0 and leave it out of the DomU's! _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users |
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