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Bug 1113199

Summary: [RFE] Support dd based image transferal to disk
Product: Red Hat Enterprise Linux 7 Reporter: Fabian Deutsch <fdeutsch>
Component: anacondaAssignee: Anaconda Maintenance Team <anaconda-maint-list>
Status: CLOSED WONTFIX QA Contact: Release Test Team <release-test-team-automation>
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: 7.0CC: dfediuck, iheim
Target Milestone: alphaKeywords: FutureFeature
Target Release: 7.1   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: Doc Type: Enhancement
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2014-06-26 22:36:04 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On:    
Bug Blocks: 1035038, 1082754, 1140646    

Description Fabian Deutsch 2014-06-25 15:37:55 UTC
Description of problem:
Currently (using the LivePayload) the contents of an image can be transfered to a newly created filesystem using rsync (IIRC).
As ovirt-node is moving to anaconda, and we want to stick with images, we'll need a way to transfer an image byte by byte to a logical volume.

Additional info:
Another change is needed to create a writable thin-volume snapshot atop the populated thin logical volume.

Comment 3 Brian Lane 2014-06-26 22:30:14 UTC
Using the liveimg kickstart command you can use a variety of sources for the images including squashfs, mountable filesystem images and tar.bz2 trees.

I am opposed to returning to the days of byte-by-byte copies and then resizing things.

The current methods are much more flexible, allowing you to deploy images onto a variety of target filesystems instead of being locked into the source's filesystem type.

Comment 4 RHEL Program Management 2014-06-26 22:36:04 UTC
Development Management has reviewed and declined this request.
You may appeal this decision by reopening this request.

Comment 5 Fabian Deutsch 2014-09-26 13:50:29 UTC
If this is reconsidered, the it would also be good to support "streaming" binary images to disk, to prevent a problem when the filesystem images are to large.