Bug 1048082

Summary: file unable to detect qcow2 compat=1.1 img created by qemu-img
Product: Red Hat Enterprise Linux 7 Reporter: Xiaoqing Wei <xwei>
Component: fileAssignee: Jan Kaluža <jkaluza>
Status: CLOSED CURRENTRELEASE QA Contact: Jiri Jaburek <jjaburek>
Severity: medium Docs Contact:
Priority: medium    
Version: 7.0CC: jjaburek, jorton, juzhang, michen, shuang
Target Milestone: rc   
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: file-5.11-14.el7 Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of:
: 1067771 (view as bug list) Environment:
Last Closed: 2014-06-13 12:11:29 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: 1067771, 1071166    

Description Xiaoqing Wei 2014-01-03 06:04:18 UTC 
Description of problem:

Since recent version of qemu-img shifting to use '-o compat=1.1' by default
the files created by 'qemu-img create -f qcow2' now differs then before

Version-Release number of selected component (if applicable):
file-5.11-11.el7.x86_64
qemu-img-1.5.3-30.el7.x86_64


How reproducible:
100%

Steps to Reproduce:
1.
[root@localhost ~]# qemu-img create -f qcow2 -o compat=1.1 1.1.qcow2 1G
Formatting '1.1.qcow2', fmt=qcow2 size=1073741824 compat='1.1' encryption=off cluster_size=65536 lazy_refcounts=off 
[root@localhost ~]# qemu-img create -f qcow2 default.qcow2 1G
Formatting 'default.qcow2', fmt=qcow2 size=1073741824 encryption=off cluster_size=65536 lazy_refcounts=off 

2.
[root@localhost ~]# file 0.10.qcow2 1.1.qcow2 
0.10.qcow2: QEMU QCOW Image (v2), 1073741824 bytes
1.1.qcow2:  QEMU QCOW Image (unknown version)

3.

Actual results:
could not detect the version

Expected results:
detect the qcow2 version correctly

Additional info:
Comment 2 Jan Kaluža 2014-01-06 08:11:42 UTC 
Patch sent upstream, it's easy to fix and test.

http://bugs.gw.com/view.php?id=314
Comment 7 Ludek Smid 2014-06-13 12:11:29 UTC 
This request was resolved in Red Hat Enterprise Linux 7.0.

Contact your manager or support representative in case you have further questions about the request.