LVM: thin volume created from a thin snapshot is no longer thin
Bug #1472486 reported by
Vincent Hou
This bug affects 1 person
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
Cinder |
Fix Released
|
High
|
Mitsuhiro Tanino |
Bug Description
This applies to the LVM driver. I am not sure what the situation will be for other drivers.
First, create a thin volume vol1. Then try to attach it and write something into it, making sure that the usage increases a bit, like 10%.
Then, create a snapshot of this thin volume, named snap.
Third, create a second thin volume vol2 from the snapshot(named snap) created in Step 2.
In the end, the volume vol2 will end up with a usage of 100%, not the 10% as the original.
tags: | added: lvm |
tags: | added: drivers |
Changed in cinder: | |
importance: | Undecided → High |
status: | New → Confirmed |
milestone: | none → liberty-2 |
Changed in cinder: | |
milestone: | liberty-2 → liberty-3 |
Changed in cinder: | |
status: | Fix Committed → Fix Released |
Changed in cinder: | |
milestone: | liberty-3 → 7.0.0 |
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Is bug 1224671 related?