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Bug 1517308 - Images virtual size is unnecessarily big [NEEDINFO]
Summary: Images virtual size is unnecessarily big
Alias: None
Product: Red Hat CloudForms Management Engine
Classification: Red Hat
Component: Build
Version: 5.9.0
Hardware: x86_64
OS: Linux
Target Milestone: GA
: cfme-future
Assignee: Satoe Imaishi
QA Contact: Jaroslav Henner
Depends On:
TreeView+ depends on / blocked
Reported: 2017-11-24 15:28 UTC by Jaroslav Henner
Modified: 2019-03-20 03:24 UTC (History)
10 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Last Closed:
Category: ---
Cloudforms Team: Openstack
Target Upstream Version:
simaishi: needinfo? (jhenner)

Attachments (Terms of Use)

System ID Priority Status Summary Last Updated
Red Hat Bugzilla 977028 None CLOSED Root partition does not get resized to the available space 2019-01-10 16:51:02 UTC

Internal Links: 977028

Description Jaroslav Henner 2017-11-24 15:28:25 UTC
Description of problem:
The image virtual size is unnecessarily big, requiring big flavor to boot in openstack. Because the quemu image can be grown, but not shrink, it would be better to just use smaller virtual size and let the user grow the this if needed.

Version-Release number of selected component (if applicable):

How reproducible:

Steps to Reproduce:
qemu-img info /tmp/foo
image: /tmp/foo
file format: qcow2
virtual size: 40G (42949672960 bytes)
disk size: 1.1G

Actual results:

Expected results:
Disk size ~10 should be enough for everybody. If it is too small, it can be grown.

Additional info:

Comment 5 Dave Johnson 2017-12-07 15:09:11 UTC
Satoe, can you confirm how the image is packaged please?  It sounds like it is THIN if the image size is 1.1GB and the virtual size is 40GB, is that correct?  This smell like environmental issue.

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