[kernel-xen] Roadmap for Xen packages.

[Steven Haigh]

Hi guys,

I thought it would be a good idea to prepare people for an upcoming
upgrade in Xen packages for EL6.

Firstly, I'm currently building Xen 4.4.0 packages and they are in
limited testing. I expect to have publicly available packages by the
second week of June. These will be published in the testing repo[1].

This advance notice has been sent to get people prepared for the jump
from Xen 4.2 to 4.4. This includes the removal of the xend / xm toolset.

Currently, the Xen 4.2 packages include XL and can be enabled by running
'chkconfig xend off' and rebooting. This will automatically use the XL
toolset.

I suggest that everyone starts migrating their environment to utilise
the XL toolset (if they haven't already) in preparation for the upgrades
to Xen 4.4.

I currently estimate that the first Xen 4.4 packages will go live in the
main repo around July. To complete the upgrade once packages are
released, the following steps will be required:

1) /etc/init.d/xendomains stop
2) yum -y update
3) reboot

This will stop all Xen guests, upgrade to the latest Xen packages, then
reboot into the new hypervisor and toolset.

NOTE: If guest DomUs are not stopped before upgrading, the new toolset
will not be able to shut down running guests. You may be able to 'yum
downgrade xen*" to restore functionality and shut down the guests - but
this is not a supported method.

Any suggestions or comments, feel free to post.

-- 
Steven Haigh

Email: netwiz at crc.id.au
Web: http://www.crc.id.au
Phone: (03) 9001 6090 - 0412 935 897
Fax: (03) 8338 0299

[1] http://au1.mirror.crc.id.au/repo/el6/testing.repo

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