Bug 1566587
| Summary: | Unable to resize image with preallocation=full mode [rhel-7.5.z] | ||
|---|---|---|---|
| Product: | Red Hat Enterprise Linux 7 | Reporter: | Oneata Mircea Teodor <toneata> |
| Component: | qemu-kvm-rhev | Assignee: | Hanna Czenczek <hreitz> |
| Status: | CLOSED ERRATA | QA Contact: | Ping Li <pingl> |
| Severity: | high | Docs Contact: | |
| Priority: | high | ||
| Version: | 7.5 | CC: | berrange, chayang, coli, egallen, hhuang, hreitz, juzhang, kchamart, knoel, michen, mtessun, ngu, pingl, qzhang, timao, virt-maint, ylavi |
| Target Milestone: | rc | Keywords: | ZStream |
| Target Release: | --- | ||
| Hardware: | Unspecified | ||
| OS: | Unspecified | ||
| Whiteboard: | |||
| Fixed In Version: | qemu-kvm-rhev-2.10.0-21.el7_5.2 | Doc Type: | If docs needed, set a value |
| Doc Text: | Story Points: | --- | |
| Clone Of: | 1549231 | Environment: | |
| Last Closed: | 2018-05-10 16:04:49 UTC | Type: | --- |
| 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: | 1549231 | ||
| Bug Blocks: | |||
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Description
Oneata Mircea Teodor
2018-04-12 14:57:32 UTC
Fix included in qemu-kvm-rhev-2.10.0-21.el7_5.2 Verified the issue with below packages and steps.
Package version:
kernel-3.10.0-862.el7.x86_64
qemu-kvm-rhev-2.10.0-21.el7_5.2.x86_64
Steps:
1. Preallocate with mode off, falloc and full in turn
1.1 Create image and resize with preallocation=off mode
# qemu-img create -f raw test1.img 5G
# qemu-img resize -f raw --preallocation=off test1.img +1G
1.2 Resize again with preallocation=falloc mode
# qemu-img resize -f raw --preallocation=falloc test1.img +1G
1.3 Resize with preallocation=full last
# qemu-img resize -f raw --preallocation=full test1.img +1G
1.4 Check the result
# qemu-img map --output=json test1.img
[{ "start": 0, "length": 7516192768, "depth": 0, "zero": true, "data": false, "offset": 0},
{ "start": 7516192768, "length": 1073741824, "depth": 0, "zero": false, "data": true, "offset": 7516192768}
2. Preallocate with mode off and full.
2.1 Create image and resize with preallocation=off
# qemu-img create -f raw test2.img 5G
# qemu-img resize -f raw --preallocation=off test2.img +1G
2.2 Resize image with preallocation=full last
# qemu-img resize -f raw --preallocation=full test2.img +1G
2.3 Check the result
# qemu-img map --output=json test2.img
[{ "start": 0, "length": 6442450944, "depth": 0, "zero": true, "data": false, "offset": 0},
{ "start": 6442450944, "length": 1073741824, "depth": 0, "zero": false, "data": true, "offset": 6442450944}]
3. Repeat to preallocate with mode full
3.1 Create image and resize with preallocation=full
# qemu-img create -f raw test3.img 5G
# qemu-img resize -f raw --preallocation=full test3.img +1G
3.2 Resize image with preallocation=full again
# qemu-img resize -f raw --preallocation=full test3.img +1G
3.3 Check the result
# qemu-img map --output=json test3.img
[{ "start": 0, "length": 5368709120, "depth": 0, "zero": true, "data": false, "offset": 0},
{ "start": 5368709120, "length": 2147483648, "depth": 0, "zero": false, "data": true, "offset": 5368709120}]
*** Bug 1537985 has been marked as a duplicate of this bug. *** 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://access.redhat.com/errata/RHSA-2018:1369 |