RHEL Engineering is moving the tracking of its product development work on RHEL 6 through RHEL 9 to Red Hat Jira (issues.redhat.com). If you're a Red Hat customer, please continue to file support cases via the Red Hat customer portal. If you're not, please head to the "RHEL project" in Red Hat Jira and file new tickets here. Individual Bugzilla bugs in the statuses "NEW", "ASSIGNED", and "POST" are being migrated throughout September 2023. Bugs of Red Hat partners with an assigned Engineering Partner Manager (EPM) are migrated in late September as per pre-agreed dates. Bugs against components "kernel", "kernel-rt", and "kpatch" are only migrated if still in "NEW" or "ASSIGNED". If you cannot log in to RH Jira, please consult article #7032570. That failing, please send an e-mail to the RH Jira admins at rh-issues@redhat.com to troubleshoot your issue as a user management inquiry. The email creates a ServiceNow ticket with Red Hat. Individual Bugzilla bugs that are migrated will be moved to status "CLOSED", resolution "MIGRATED", and set with "MigratedToJIRA" in "Keywords". The link to the successor Jira issue will be found under "Links", have a little "two-footprint" icon next to it, and direct you to the "RHEL project" in Red Hat Jira (issue links are of type "https://issues.redhat.com/browse/RHEL-XXXX", where "X" is a digit). This same link will be available in a blue banner at the top of the page informing you that that bug has been migrated.
Bug 633370 - [6.1 FEAT] Enhance QED image format to support streaming from remote systems
Summary: [6.1 FEAT] Enhance QED image format to support streaming from remote systems
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 6
Classification: Red Hat
Component: qemu-kvm
Version: 6.1
Hardware: x86_64
OS: All
medium
medium
Target Milestone: beta
: 6.2
Assignee: Anthony Liguori
QA Contact: Virtualization Bugs
URL:
Whiteboard:
Depends On: 633380
Blocks: 580953 633374 638197 659725 693510 743047
TreeView+ depends on / blocked
 
Reported: 2010-09-13 16:43 UTC by IBM Bug Proxy
Modified: 2014-07-25 03:07 UTC (History)
13 users (show)

Fixed In Version: qemu-kvm-0.12.1.2-2.190.el6
Doc Type: Enhancement
Doc Text:
Clone Of:
Environment:
Last Closed: 2011-12-06 15:43:26 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
IBM Linux Technology Center 67245 0 None None None Never
Red Hat Product Errata RHSA-2011:1531 0 normal SHIPPED_LIVE Moderate: qemu-kvm security, bug fix, and enhancement update 2011-12-06 01:23:30 UTC

Description IBM Bug Proxy 2010-09-13 16:43:15 UTC 
1. Feature Overview:
Feature Id: [67245]
a. Name of Feature: [6.1 FEAT] Enhance QED image format to support streaming from remote systems
b. Feature Description
Enhance QED to support streaming read/write requests from remote locations to support post-migration
block migration

2. Feature Details:
Sponsor: LTC Open Virtualization
Architectures:  x86_64, 

Arch Specificity: purely common code
Affects Kernel Modules: Field does not exist
Delivery Mechanism: Direct from Community
Category: other
Request Type: Package - Update Version
d. Upstream Acceptance: Field does not exist
Sponsor Priority P3
f. Severity: normal
IBM Confidential: No
Code Contribution: IBM code
g. Component Version Target:---

3. Business Case
QED streaming allows a host to migrate a VM from a server and reclaim memory resources immediately
without waiting for the block device to finish copying.  This allows IBM to increase VM density and
have greater flexibility in managing migration strategy.

4. Primary contact at Red Hat:
John Jarvis jjarvis

5. Primary contacts at Partner:
Project Management Contact:
Michael W. Wortman, wortman.com

Technical contact(s):
ANTHONY N. LIGUORI, aliguori.com
Comment 2 John Jarvis 2010-09-21 21:22:28 UTC 
What is the component for this and is it upstream?  Please provide more details
about is being requested here.
Comment 3 IBM Bug Proxy 2010-09-21 22:20:40 UTC 
------- Comment From aliguori.com 2010-09-21 18:19 EDT-------
Component is QEMU, patches are available but not yet merged upstream.
Comment 4 IBM Bug Proxy 2010-10-04 16:21:18 UTC 
------- Comment From rsisk.com 2010-10-04 11:22 EDT-------
Code Upstream Status: Submitted
Comment 7 Dor Laor 2010-11-17 15:16:55 UTC 
We need to be fully convinced that the QED perf/functionality cannot be provided with qcow2. That's why for the moment it's in conditional_nak state by design.
Comment 8 IBM Bug Proxy 2011-01-17 19:11:08 UTC 
------- Comment From mcintire.com 2011-01-17 14:07 EDT-------
Now targeted to 6.2
Comment 9 Dor Laor 2011-06-15 12:43:39 UTC 
It would need to be upstream by the development freeze date (in 2 months)
Comment 11 Suqin Huang 2011-08-15 03:51:41 UTC 
Hi Anthony,

For QED is mainly developed and tested by ibm, can IBM test this bug.


Thanks 
Suqin
Comment 13 John Jarvis 2011-08-15 14:08:22 UTC 
IBM is signed up to test and provide feedback, setting OtherQA.
Comment 14 John Jarvis 2011-08-15 19:34:13 UTC 
This enhancement request was evaluated by the full Red Hat Enterprise Linux
team for inclusion in a Red Hat Enterprise Linux minor release.   As a result
of this evaluation, Red Hat has tentatively approved inclusion of this feature
in the next Red Hat Enterprise Linux Update minor release.   While it is a goal
to include this enhancement in the next minor release of Red Hat Enterprise
Linux, the enhancement is not yet committed for inclusion in the next minor
release pending the next phase of actual code integration and successful Red
Hat and partner testing.
Comment 18 IBM Bug Proxy 2011-10-04 12:40:35 UTC 
------- Comment From stefan.hajnoczi.com 2011-10-04 08:37 EDT-------
Verified for RHEL 6.2 with test-stream.py script which exercises the stream, stop, and rate-limiting features.
Comment 21 errata-xmlrpc 2011-12-06 15:43:26 UTC 
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/RHSA-2011-1531.html
Note You need to log in before you can comment on or make changes to this bug.