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Description of problem: Should allow to specify the AIO mode(threads|native) to guest via virt-manager, this feature is for QEMU command. Version-Release number of selected component (if applicable): How reproducible: Steps to Reproduce: 1. 2. 3. Actual results: Expected results: Additional info:
Reporter, Could I please ask you to provide a priority assessment (set the priority field to one of urgent/high/medium/low) for the impact of this issue? This will help us prioritize this issue with our other outstanding bugs for the current release cycle ... Regards, Brock
Since RHEL 6.1 External Beta has begun, and this bug remains unresolved, it has been rejected as it is not proposed as an exception or blocker. It has been moved to RHEL 6.2 since it is a FutureFeature request.
Upstream now: http://git.fedorahosted.org/git?p=virt-manager.git;a=commit;h=d5a59426badc170a9bf16ad6a5c82e9a22ca0aae
Fixed in virt-manager-0.9.0-2.el6
Verified PASS with below environment: # uname -r 2.6.32-165.el6.x86_64 qemu-kvm-0.12.1.2-2.175.el6.x86_64 libvirt-0.9.4-0rc1.2.el6.x86_64 virt-manager-0.9.0-5.el6.x86_64 Steps: 1. Launch virt-manager, select a health guest, Divert to guest details page 2. Check guest disk info, there is Performance options which has IO mode. For IO mode there are 3 values: default, native and threads. 3. Try with each IO mode value for guest, make sure guest can works well. 1) Select IO mode as default, will be no io mode value for this guest # virsh dumpxml <guest> <disk type='file' device='disk'> <driver name='qemu' type='raw' cache='none'/> <source file='/var/lib/libvirt/images/d2.img'/> <target dev='vdc' bus='virtio'/> ... 2) Select IO mode as native # virsh dumpxml <guest> ... <disk type='file' device='disk'> <driver name='qemu' type='raw' cache='none' io='native'/> <source file='/var/lib/libvirt/images/d1.img'/> <target dev='vdb' bus='virtio'/> <alias name='virtio-disk1'/> ... 3) Select IO mode as threads # virsh dumpxml <guest> ... <disk type='file' device='disk'> <driver name='qemu' type='raw' cache='none' io='threads'/> <source file='/var/lib/libvirt/images/rhel5.img'/> <target dev='vda' bus='virtio'/> ...
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Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. http://rhn.redhat.com/errata/RHBA-2011-1642.html