Red Hat Bugzilla – Bug 658482
block IO controller: Allow creation of cgroup hierarchies
Last modified: 2011-05-23 16:29:57 EDT
Description of problem: Currently block IO controller supports flat setup and does not allow creation of cgroup hierarchies. It does not work well with libvirt which creates vm groups few levels below root. Allow creation of cgroup hierarchy but internally it will treated as flat setup and all groups will be at same level. Work is in progress and later we can introduce true hierarchy support. Version-Release number of selected component (if applicable): Fixing this issue will remove one of the obstacles in the way of libvirt and block IO controller integration. How reproducible: Steps to Reproduce: 1. 2. 3. Actual results: Expected results: Additional info:
This request was evaluated by Red Hat Product Management for inclusion in the current release of Red Hat Enterprise Linux. Because the affected component is not scheduled to be updated in the current release, Red Hat is unfortunately unable to address this request at this time. Red Hat invites you to ask your support representative to propose this request, if appropriate and relevant, in the next release of Red Hat Enterprise Linux. If you would like it considered as an exception in the current release, please ask your support representative.
This request was erroneously denied for the current release of Red Hat Enterprise Linux. The error has been fixed and this request has been re-proposed for the current release.
Patch(es) available on kernel-2.6.32-112.el6
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/RHSA-2011-0542.html