Cloudstack allows you to create snapshots with the same name for the same volume
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评估
- 难度
- 3/5
- 预计耗时
- 1-2 天
- 新手友好度
- 58/100
- Issue 类型
- 缺陷
- 描述清晰度
- 基本清楚
- 活跃度
- 活跃
- 技术栈
- java
- 领域
- cloud, infrastructure
调研方向
首先，在一个卷上为两个具有相同名称的快照重现所列步骤，然后跟踪涉及的快照创建和删除路径。完成的标准是 CloudStack 拒绝重复项，或者在删除其中一个快照时，保持快照条目和 secondary-storage 文件的一致性。
由索引模型根据 Issue 内容生成。
描述
problem
Bug report:
CloudStack allows creating multiple snapshots of the same volume with identical names.
The snapshot file on secondary storage is overwritten when a snapshot with the same name is created
When one of these snapshots is deleted via CloudStack. The snapshot file is removed from secondary storage. Other snapshot entries remain in CloudStack but no longer have a corresponding file.
Deleted a snapshot in Cloudstack
The first snapshot was deleted from CloudStack. During the deletion process, CloudStack also removed the snapshot file from secondary storage.
However, a second snapshot entry still remains in the database and references a file on secondary storage that no longer exists.
versions
ACS: 4.20.2.0
Hypervisor: KVM
Primary Storage: Linstor
Secondary Storage: NFS
The steps to reproduce the bug
- Create a volume
- Create snapshot with name for example "test-snapshot"
- Create another snapshot with the same name "test-snapshot"
- Verify that both snapshots exist in CloudStack and only one exists on the secondary storage
- Delete ONE of the snapshots via CloudStack
- Check secondary storage — snapshot file is removed
- Check remaining snapshot in CloudStack
What to do about it?
Prevent creating snapshots with the same name for the same volume. Deleting one breaks the other.
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