Bug 1257469
| Summary: | Storage size of guest shows incorrect in virt-manager if lazy refcounts is false and disk type is volume | ||||||
|---|---|---|---|---|---|---|---|
| Product: | Red Hat Enterprise Linux 7 | Reporter: | mxie <mxie> | ||||
| Component: | virt-manager | Assignee: | Pavel Hrdina <phrdina> | ||||
| Status: | CLOSED ERRATA | QA Contact: | Virtualization Bugs <virt-bugs> | ||||
| Severity: | medium | Docs Contact: | |||||
| Priority: | medium | ||||||
| Version: | 7.2 | CC: | juzhou, mzhan, tzheng, xiaodwan | ||||
| Target Milestone: | rc | ||||||
| Target Release: | --- | ||||||
| Hardware: | x86_64 | ||||||
| OS: | Unspecified | ||||||
| Whiteboard: | |||||||
| Fixed In Version: | virt-manager-1.3.2-1.el7 | Doc Type: | Bug Fix | ||||
| Doc Text: | Story Points: | --- | |||||
| Clone Of: | Environment: | ||||||
| Last Closed: | 2016-11-04 01:58:07 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: | |||||||
| Attachments: |
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Upstream commit:
commit 57fa64e542ff684d5dae9e4259aa11c6cec02ef2
Author: Cole Robinson <crobinso>
Date: Sat Sep 5 17:59:47 2015 -0400
details: Use devicedisk path lookup for source_pool
This bug was accidentally moved from POST to MODIFIED via an error in automation, please see mmccune with any questions I can reproduce this bug with package:
virt-manager-1.2.1-8.el7.noarch
virt-install-1.2.1-8.el7.noarch
Steps are the same as description above.
Then try to verify with new build:
virt-manager-1.4.0-1.el7.noarch
virt-install-1.4.0-1.el7.noarch
Steps:
1. Create a guest disk
# qemu-img create -f qcow2 /var/lib/libvirt/images/test.img 10G
Formatting '/var/lib/libvirt/images/test.img', fmt=qcow2 size=10737418240 encryption=off cluster_size=65536 lazy_refcounts=off refcount_bits=16
2. Check the guest disk
# qemu-img info test.img
image: test.img
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
3. Edit the xml of test guest and Add a disk which disk type is 'volume'
#virsh edit test
<disk type='volume' device='disk'>
<driver name='qemu' type='qcow2'/>
<source pool='default' volume='test.img'/>
<target dev='hda' bus='ide'/>
<address type='drive' controller='0' bus='0' target='0' unit='0'/>
</disk>
4. Import the test guest:
# virsh define test.xml
5. Check test guest's storage size in virt-manager
Results:
1. The test guest's storage size in virt-manager is 10G.
According to the result above in the latest version of virt-manager, move this bug from ON_QA to VERIFIED.
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-2016-2269.html |
Created attachment 1067556 [details] screenshots of guests Description of problem: Storage size of guest shows incorrect in virt-manager if lazy refcounts is false and disk type is volume Version-Release number of selected component (if applicable): How reproducible: 100% Steps to Reproduce: 1.Create a guest disk # qemu-img create -f qcow2 /var/lib/libvirt/images/test.img 10G Formatting 'test.img', fmt=qcow2 size=10737418240 encryption=off cluster_size=65536 lazy_refcounts=off 2.Check the guest disk: # qemu-img info test.img image: test.img file format: qcow2 virtual size: 10G (10737418240 bytes) disk size: 196K cluster_size: 65536 Format specific information: compat: 1.1 lazy refcounts: false 3.Define xml for test guest and set disk type is 'volume' <disk type='volume' device='disk'> <driver name='qemu' type='qcow2'/> <source pool='default' volume='test.img'/> <target dev='hda' bus='ide'/> <address type='drive' controller='0' bus='0' target='0' unit='0'/> </disk> 4.Import the test guest: # virsh define test.xml 5.Check test guest's storage size shows 0.19M in virt-manager,please refer to screenshot of test Actual results: As above Expected results: Storage size of guest shows correct in virt-manager Additional info: 1.If modify test guest's disk type from volume to file in test.xml, its storage size will show 10G in virt-manager,please refer to screenshot of test_modify, so the bug is related to disk type 'volume' 2.*Create another guest via virt-manager. name: generic,check generic guest's disk # qemu-img info generic.qcow2 image: generic.qcow2 file format: qcow2 virtual size: 10G (10737418240 bytes) disk size: 2.2M cluster_size: 65536 Format specific information: compat: 1.1 lazy refcounts: true *Check generic guest's storage size shows 10G in virt-manager *Modify generic guest's xml file to change disk type from file to volume # virsh edit generic <disk type='volume' device='disk'> <driver name='qemu' type='qcow2'/> <source pool='default' volume='generic.qcow2'/> <target dev='hda' bus='ide'/> <address type='drive' controller='0' bus='0' target='0' unit='0'/> </disk> *Check generic guest's storage size in virt-manager, it still shows 10G, please refer to screenshot of generic, the difference place with above is 'lazy refcounts: true', so this bug is not only related to 'disk type is volume' but also 'lazy refcounts is false'