Bug 1147246

Summary: Storage domain committed size is calculated incorrectly
Product: [Retired] oVirt Reporter: Tal Nisan <tnisan>
Component: ovirt-engine-coreAssignee: Tal Nisan <tnisan>
Status: CLOSED CURRENTRELEASE QA Contact: Kevin Alon Goldblatt <kgoldbla>
Severity: high Docs Contact:
Priority: unspecified    
Version: 3.5CC: amureini, ecohen, gklein, iheim, lsurette, rbalakri, yeylon
Target Milestone: ---   
Target Release: 3.5.0   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: storage
Fixed In Version: ovirt-3.5.0_rc4 Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2014-10-17 12:27:49 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: Storage RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

Description Tal Nisan 2014-09-28 12:12:30 UTC 
Description of problem:
A storage domain committed size currently calculates the virtual size of each image in the domain, while this works correctly when dealing only with leaf  images, the calculation is faulty when taking snapshots into consideration since a non active image size can not change thus the calculation has to take into consideration the actual size of the inactive images and the virtual size only of the active images, this with the exception of template images which are active but only their actual size should be taken into consideration since they are read only.

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


How reproducible:
100%

Steps to Reproduce:
1. Create a VM with 10GB disk thinly provisioned, the committed size is 10GB
2. Take a snapshot of the VM with the disk included
3.

Actual results:
The committed size appears as 20GB (10GB virtual size of each image)

Expected results:
The committed size should appear as 10GB on a file domain (actual size of 0 of the base image and 10GB virtual size of the leaf image) or 11GB on a block domain (actual size of 1GB of the base image and 10GB virtual size of the leaf image)

Additional info:
Comment 1 Sandro Bonazzola 2014-10-17 12:27:49 UTC 
oVirt 3.5 has been released and should include the fix for this issue.