Knowledge Base›Troubleshooting›Troubleshoot ZStack Cloud snapshot, cloning, and image creation issues
Troubleshoot ZStack Cloud snapshot, cloning, and image creation issues
Issue/Introduction
This article applies when VM instance cloning fails, VM instance image creation fails, a snapshot cannot be deleted, the snapshot quota is reached, a snapshot chain is too long, or an LVM lock conflicts. These issues frequently occur during cloning, image creation, expansion, reset, snapshot rollback, or a snapshot API call from third-party backup software.
Symptoms
- Creating a root volume image fails and reports that
snapshot.volume.numexceeds the quota. - Cloning a VM instance fails and reports that a template cannot be created from a volume snapshot.
- Creating a system image from a VM instance fails and reports
Data cannot be uploaded from local storage to the image repository. - A batch snapshot deletion API call reports
LV is already locked with incompatible mode
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