Fuel for OpenStack

There is no way to enable preallocation mode for images

Bug #1651772 reported by Michael Polenchuk
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
Fuel for OpenStack
Fix Committed
Medium
Michael Polenchuk
Fuel for OpenStack 11.0
Newton
Fix Committed
Medium
Michael Polenchuk
Fuel for OpenStack 10.1

Bug Description

Detailed bug description:
 There is no way to use feature from blueprint of https://blueprints.launchpad.net/nova/+spec/preallocated-images

Expected results:
 Option should be available for configuration

Workaround:
 Enable it on all computes by hand.

Impact:
 Performance on writes to new blocks

Description of the environment:
 Fuel 9.x+

Michael Polenchuk (mpolenchuk)
Changed in fuel:
milestone: none → 11.0
assignee: nobody → Michael Polenchuk (mpolenchuk)
importance: Undecided → Medium
status: New → Confirmed
OpenStack Infra (hudson-openstack)
Changed in fuel:
status: Confirmed → In Progress
Revision history for this message
OpenStack Infra (hudson-openstack) wrote : Fix proposed to fuel-library (stable/newton)

Fix proposed to branch: stable/newton
Review: https://review.openstack.org/414071

Revision history for this message
OpenStack Infra (hudson-openstack) wrote : Fix merged to fuel-library (master)

Reviewed: https://review.openstack.org/413055
Committed: https://git.openstack.org/cgit/openstack/fuel-library/commit/?id=5b09541a5fda97aaa11310a7e89f397e6235ab66
Submitter: Jenkins
Branch: master

commit 5b09541a5fda97aaa11310a7e89f397e6235ab66
Author: Michael Polenchuk <email address hidden>
Date: Tue Dec 20 16:10:47 2016 +0400

    Activate nova image preallocation mode

    Image preallocation allows storage to be fully allocated at instance
    start. This should significantly improve performance on writes to new
    blocks and may even improve I/O performance to prewritten blocks due to
    reduced fragmentation.

    DocImpact
    Closes-Bug: #1651772
    Change-Id: I5182766bc3c44359f8d909a6d7edd0d2d2cc2b62
    Depends-On: I1be99c9af8f32b1a7f8408ddeb695fd05a603ace

Changed in fuel:
status: In Progress → Fix Committed
Revision history for this message
OpenStack Infra (hudson-openstack) wrote : Fix merged to fuel-library (stable/newton)

Reviewed: https://review.openstack.org/414071
Committed: https://git.openstack.org/cgit/openstack/fuel-library/commit/?id=d48636727382f5232d5873a8d99f81d1a40d37ae
Submitter: Jenkins
Branch: stable/newton

commit d48636727382f5232d5873a8d99f81d1a40d37ae
Author: Michael Polenchuk <email address hidden>
Date: Tue Dec 20 16:10:47 2016 +0400

    Activate nova image preallocation mode

    Image preallocation allows storage to be fully allocated at instance
    start. This should significantly improve performance on writes to new
    blocks and may even improve I/O performance to prewritten blocks due to
    reduced fragmentation.

    DocImpact
    Closes-Bug: #1651772
    Change-Id: I5182766bc3c44359f8d909a6d7edd0d2d2cc2b62

Revision history for this message
OpenStack Infra (hudson-openstack) wrote : Fix included in openstack/fuel-library 11.0.0.0rc1

This issue was fixed in the openstack/fuel-library 11.0.0.0rc1 release candidate.

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