instance snapshot minimum disk size error after resize instance

Bug #1771262 reported by Jiang on 2018-05-15
This bug affects 3 people
Affects Status Importance Assigned to Milestone
OpenStack Compute (nova)
Boxiang Zhu

Bug Description

OpenStack version: Pike.

Operate steps:
1. create an instance named cirros-vm with 1 VCPU, 1G RAM, 10G DISK.
2. create a snapshot named snapshot01 of cirros-vm
3. look up the snapshot01, the minimum disk size is 10G. It is correct.
4. resize cirros-vm with 1 VCPU, 1G RAM, 20G DISK.
5. create a snapshot named snapshot02 of cirros-vm.
6. look up the snapshot02, the minimum disk size is 10G.

In snapshot02, minimum disk size should be 20G, so, this is an error.

daixianmeng (daixianmeng) wrote :

Can you give more information: type: ceph or file
2.Log on to the virtual machine to view the disk.
3.Before and after the virtual machine and snapshot info.

Jiang (jiangpf) wrote :

Storage type is file. If you execute the above steps once, you will find the problem.

Jiang (jiangpf) on 2018-06-29
Changed in nova:
status: New → Confirmed
Boxiang Zhu (bxzhu-5355) on 2018-07-23
Changed in nova:
assignee: nobody → Boxiang Zhu (bxzhu-5355)
status: Confirmed → In Progress

Change abandoned by Boxiang Zhu ( on branch: stable/pike
Reason: push commit to master first and then backport to stable branch

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