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TemplateImplementation changed

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typo fixes
This commit is contained in:
Marek Marczykowski-Górecki 2012-06-09 19:26:17 +00:00
parent d18969caa4
commit 8913f60c52
1 changed files with 2 additions and 2 deletions
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TemplateImplementation.md
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@ -78,10 +78,10 @@ Steps performed by **qvm-revert-template-changes**:
1. Ensure that no other VMs uses this template. 1. Ensure that no other VMs uses this template.
2. Prepare snapshot device with ***root-cow.img.old*** instead of *root-cow.img* (*/etc/xen/scripts/block-snapshot prepare*). 2. Prepare snapshot device with ***root-cow.img.old*** instead of *root-cow.img* (*/etc/xen/scripts/block-snapshot prepare*).
3. Replace *snapshot* device-mapper target with *snapshot-merge*, other parameters (chunk size etc) remains untouched. Now kernel starts merging changes stored in *root-cow.img.old* into *root.img*, but d-m device can be used normally. 3. Replace *snapshot* device-mapper target with *snapshot-merge*, other parameters (chunk size etc) remains untouched. Now kernel starts merging changes stored in *root-cow.img.old* into *root.img*. d-m device can be used normally (if needed).
4. Waits for merge completed: *dmsetup status* shows used snapshot blocks - it should be equal to metadata size when completed. 4. Waits for merge completed: *dmsetup status* shows used snapshot blocks - it should be equal to metadata size when completed.
5. Replace *snapshot-merge* d-m target back to *snapshot*. 5. Replace *snapshot-merge* d-m target back to *snapshot*.
6. Cleanup snapshot device (in nobody uses it it the moment). 6. Cleanup snapshot device (if nobody uses it it the moment).
7. Move *root-cow.img.old* to *root-cow.img* (overriding existing file). 7. Move *root-cow.img.old* to *root-cow.img* (overriding existing file).
Snapshot device in AppVM Snapshot device in AppVM