Describe the bug

engine.status.snapshots of a DR volume is not correctly updated.
The root cause is the bdev names of the replicas are empty while creating a raid bdev after finishing backup restore.

To Reproduce

Run test_basic.py::test_restore_inc

Expected behavior

The test case should pass

Support bundle for troubleshooting

Environment

• Longhorn version:
• Impacted volume (PV):
• Installation method (e.g. Rancher Catalog App/Helm/Kubectl):
• Kubernetes distro (e.g. RKE/K3s/EKS/OpenShift) and version:
  • Number of control plane nodes in the cluster:
  • Number of worker nodes in the cluster:
• Node config
  • OS type and version:
  • Kernel version:
  • CPU per node:
  • Memory per node:
  • Disk type (e.g. SSD/NVMe/HDD):
  • Network bandwidth between the nodes (Gbps):
• Underlying Infrastructure (e.g. on AWS/GCE, EKS/GKE, VMWare/KVM, Baremetal):
• Number of Longhorn volumes in the cluster:

Additional context

Workaround and Mitigation