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Description of problem:
Customers are asking for a feature to allow specifying the AIO mode via libvirt XML, like can be done on the QEMU command line with aio=native etc.
Version-Release number of selected component (if applicable):
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Comment 3RHEL Program Management
2010-05-12 22:05:46 UTC
This feature request did not get resolved in time for Feature Freeze
for the current Red Hat Enterprise Linux release and has now been
denied. You may re-open your request by requesting your support
representative to propose it for the next release.
Upstream discussion[1] on the initial patch pointed out that a better solution than adding a qemu-specific <disk type="..." aio="threads"/> might be to instead support:
<disk type="...">
<iobackend type="aiothreads"/>
</disk>
to allow further iobackend types among other hypervisors. Until the XML representation is nailed down, this is not yet ready for inclusion.
[1] https://www.redhat.com/archives/libvir-list/2010-May/msg00538.html
An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on therefore solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.
http://rhn.redhat.com/errata/RHBA-2011-0596.html