Bug 1029271
| Summary: | Format specific information (create type) was wrong when create it specified subformat='streamOptimized' | ||
|---|---|---|---|
| Product: | Red Hat Enterprise Linux 7 | Reporter: | Sibiao Luo <sluo> |
| Component: | qemu-kvm | Assignee: | Fam Zheng <famz> |
| Status: | CLOSED ERRATA | QA Contact: | Virtualization Bugs <virt-bugs> |
| Severity: | low | Docs Contact: | |
| Priority: | medium | ||
| Version: | 7.0 | CC: | chayang, famz, hhuang, juzhang, michen, pbonzini, qzhang, rbalakri, virt-maint, xfu |
| Target Milestone: | rc | ||
| Target Release: | --- | ||
| Hardware: | Unspecified | ||
| OS: | Unspecified | ||
| Whiteboard: | |||
| Fixed In Version: | qemu-kvm-1.5.3-67.el7 | Doc Type: | Bug Fix |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2015-03-05 08:02:12 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: | |||
Posted the fix to upstream: [PATCH] vmdk: Fix format specific information (create type) for streamOptimized Fix included in qemu-kvm-1.5.3-67.el7 verify this issue.
host info:
# uname -r && rpm -q qemu-kvm
3.10.0-145.el7.x86_64
qemu-kvm-1.5.3-67.el7.x86_64
[root@dhcp-11-154 home]# qemu-img create -f vmdk VMDK-data-disk.vmdk -o subformat=streamOptimized 2G
Formatting 'VMDK-data-disk.vmdk', fmt=vmdk size=2147483648 compat6=off subformat='streamOptimized' zeroed_grain=off
[root@dhcp-11-154 home]# qemu-img info VMDK-data-disk.vmdk
image: VMDK-data-disk.vmdk
file format: vmdk
virtual size: 2.0G (2147483648 bytes)
disk size: 12K
Format specific information:
cid: 1409211551
parent cid: 4294967295
create type: streamOptimized
extents:
[0]:
compressed: true
virtual size: 2147483648
filename: VMDK-data-disk.vmdk
cluster size: 65536
format:
Base on above, this issue has been fixed correctly, move to VERIFIED status.
Best Regards,
sluo
Comment #6 was on Intel host. Now i tried the qemu-kvm-rhev on AMD host. host info: # uname -r && rpm -q qemu-kvm-rhev 3.10.0-147.el7.x86_64 qemu-kvm-rhev-2.1.0-2.el7.x86_64 Results: # qemu-img create -f vmdk VMDK-data-disk.vmdk -o subformat=streamOptimized 2G Formatting 'VMDK-data-disk.vmdk', fmt=vmdk size=2147483648 compat6=off subformat='streamOptimized' # qemu-img info VMDK-data-disk.vmdk image: VMDK-data-disk.vmdk file format: vmdk virtual size: 2.0G (2147483648 bytes) disk size: 12K cluster_size: 65536 Format specific information: cid: 1409558382 parent cid: 4294967295 create type: streamOptimized extents: [0]: compressed: true virtual size: 2147483648 filename: VMDK-data-disk.vmdk cluster size: 65536 format: Best Regards, sluo According to comment #6 and comment #7, this issue has been fixed correctly, move to VERIFIED status. Best Regards, sluo 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/RHSA-2015-0349.html |
Description of problem: Tried to create a vmdk image specified subformat='streamOptimized', but format specific information (create type) was wrong when use qemu-img to read it. BTW, tried other different vmdk create type that did not meet such issue. Version-Release number of selected component (if applicable): host info: # uname -r && rpm -q qemu-kvm 3.10.0-48.el7.x86_64 qemu-kvm-1.5.3-19.el7.x86_64 How reproducible: 100% Steps to Reproduce: 1.tried to create a vmdk image specified subformat='streamOptimized'. # qemu-img create -f vmdk VMDK-data-disk.vmdk -o subformat=streamOptimized 2G Formatting 'VMDK-data-disk.vmdk', fmt=vmdk size=2147483648 compat6=off subformat='streamOptimized' zeroed_grain=off 2.use qemu-img to read it. # qemu-img info VMDK-data-disk.vmdk image: VMDK-data-disk.vmdk file format: vmdk virtual size: 2.0G (2147483648 bytes) disk size: 12K Format specific information: cid: 1384223178 parent cid: 4294967295 create type: monolithicSparse <----------------here wrong extents: [0]: compressed: true virtual size: 2147483648 filename: VMDK-data-disk.vmdk cluster size: 65536 format: Actual results: Expected results: the create type should be 'streamOptimized' as specified when created it. Additional info: