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Multi-TiB csi.trident pvc is detected with wrong size by kubevirt guest #947

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arnongilboa opened this issue Nov 11, 2024 · 0 comments
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@arnongilboa
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arnongilboa commented Nov 11, 2024

Describe the bug
Attaching kubevirt VM a multi-TiB pvc on trident-nfs storage class (csi.trident.netapp.io provisioner), it is detected with wrong size by the guest. For example 90TiB pvc was initially detected (lsblk/journalctl) as 5.2T and slowly increased to 11.5T during the following 3 days. The behavior is not reproduced with other storage classes.

Environment
Provide accurate information about the environment to help us reproduce the issue.

  • Trident version: 24.10
  • Trident installation flags used: --debug
  • Container runtime: cri-o://1.30.6-3.rhaos4.17.git49b5172.el9
  • Kubernetes version: 1.30.4
  • Kubernetes orchestrator: OpenShift v4.17.1
  • Kubernetes enabled feature gates: ?
  • OS: Red Hat Enterprise Linux CoreOS 417.94.202410090854-0
  • NetApp backend types: ?
  • Other:

To Reproduce

  1. Create a kubevirt VM with 90 TB trident-nfs PVC
  2. Boot the VM
  3. Check the detected disk size using journalctl and lsblk
  4. 5.2 TB - 11.5 TB disk is detected

Expected behavior
90 TB disk is detected

Additional context
Screenshot from 2024-11-11 17-58-00
Screenshot from 2024-11-11 17-58-54

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