Bug 1330916
| Summary: | image cannot be fully allocated via qemu-img with sparse_size specified as 0 | ||
|---|---|---|---|
| Product: | Red Hat Enterprise Linux 7 | Reporter: | Ping Li <pingl> |
| Component: | qemu-kvm-rhev | Assignee: | Hanna Czenczek <hreitz> |
| Status: | CLOSED ERRATA | QA Contact: | Virtualization Bugs <virt-bugs> |
| Severity: | medium | Docs Contact: | |
| Priority: | unspecified | ||
| Version: | 7.3 | CC: | aliang, chayang, coli, jen, juzhang, knoel, meyang, michen, mrezanin, ngu, shuang, virt-maint, xiagao, xutian, xuwei |
| Target Milestone: | rc | ||
| Target Release: | --- | ||
| Hardware: | x86_64 | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | qemu-2.6.0 | Doc Type: | Bug Fix |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2016-11-07 21:05:38 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: | |||
Fix will be included in 2.6.0. [root@hp-z420-02 home]# uname -r
3.10.0-396.el7.x86_64
[root@hp-z420-02 home]# rpm -qa | grep qemu-kvm
qemu-kvm-rhev-2.6.0-1.el7.x86_64
[root@hp-z420-02 home]# qemu-img create -f qcow2 src.qcow2 10G
Formatting 'src.qcow2', fmt=qcow2 size=10737418240 encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
[root@hp-z420-02 home]# qemu-img convert -p -f qcow2 -O qcow2 -S 0 src.qcow2 dst.qcow2
(100.00/100%)
[root@hp-z420-02 home]# qemu-img info src.qcow2
image: src.qcow2
file format: qcow2
virtual size: 10G (10737418240 bytes)
disk size: 196K
cluster_size: 65536
Format specific information:
compat: 1.1
lazy refcounts: false
refcount bits: 16
corrupt: false
[root@hp-z420-02 home]# qemu-img info dst.qcow2
image: dst.qcow2
file format: qcow2
virtual size: 10G (10737418240 bytes)
disk size: 10G
cluster_size: 65536
Format specific information:
compat: 1.1
lazy refcounts: false
refcount bits: 16
corrupt: false
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://rhn.redhat.com/errata/RHBA-2016-2673.html |
Description of problem: After convert the source image with the option "-S 0", the dest image will not be fully allocated. Version-Release number of selected component (if applicable): [root@ibm-x3650m3-03 test]# rpm -qa | grep qemu-img qemu-img-rhev-2.5.0-4.el7.x86_64 [root@ibm-x3650m3-03 test]# uname -r 3.10.0-382.el7.x86_64 How reproducible: 3/3 Steps to Reproduce: 1.qemu-img create -f qcow2 src.qcow2 10G 2.qemu-img create -f qcow2 src.qcow2 10G 3.qemu-img convert -p -f qcow2 -O qcow2 -S 0 src.qcow2 dst.qcow2 4.qemu-img info dst.qcow2 Actual results: [root@ibm-x3650m3-03 test]# qemu-img info dst.qcow2 image: dst.qcow2 file format: qcow2 virtual size: 10G (10737418240 bytes) disk size: 2.1M cluster_size: 65536 Format specific information: compat: 1.1 lazy refcounts: false refcount bits: 16 corrupt: false [root@ibm-x3650m3-03 Expected results: disk size should be greater than or eqaul to the virtual size. Additional info: [root@ibm-x3650m3-03 test]# qemu-img info src.qcow2 image: src.qcow2 file format: qcow2 virtual size: 10G (10737418240 bytes) disk size: 196K cluster_size: 65536 Format specific information: compat: 1.1 lazy refcounts: false refcount bits: 16 corrupt: false