Bug 993515

Summary: glusterfs can not support to create qcow2_v3 guest image with fuse bypass
Product: Red Hat Enterprise Linux 7 Reporter: Jun Li <juli>
Component: qemu-kvmAssignee: Kevin Wolf <kwolf>
Status: CLOSED DUPLICATE QA Contact: Virtualization Bugs <virt-bugs>
Severity: high Docs Contact:
Priority: high    
Version: 7.0CC: acathrow, hhuang, juzhang, mazhang, michen, virt-maint, xfu
Target Milestone: rc   
Target Release: ---   
Hardware: x86_64   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2013-12-06 12:46:54 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:

Description Jun Li 2013-08-06 06:02:19 UTC 
Description of problem:
If use fuse mount to create qcow3 image,it is successful.
If use fuse bypass or fuse mount to create qcow2 image, both are successful.
only qemu-img don't support to create qcow3 images with fuse bypass

Version-Release number of selected component (if applicable):
qemu-kvm and kernel version: 
qemu-kvm-1.5.2-2.el7.x86_64
3.10.0-4.el7.x86_64

How reproducible:
100%

Steps to Reproduce:
1.# qemu-img create -f qcow2 -o compat=1.1 gluster://10.66.6.82:24007/gv0/RHEL-7.0.qcow3  20G
2.
3.

Actual results:
Formatting 'gluster://10.66.6.82:24007/gv0/RHEL-7.0.qcow3', fmt=qcow2 size=21474836480 compat='1.1' encryption=off cluster_size=65536 lazy_refcounts=off 
qemu-img: Header extension too large
qemu-img: gluster://10.66.6.82:24007/gv0/RHEL-7.0.qcow3: error while creating qcow2: Invalid argument


Expected results:
create sucessfully.

Additional info:
Comment 2 Ademar Reis 2013-12-06 12:46:54 UTC 

*** This bug has been marked as a duplicate of bug 1032904 ***