Trident がボリュームのサイズ変更に「サポートされていない容量範囲」が失敗する

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Category:: trident-kubernetes<a>2009039802</a>

Specialty:: nas

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環境

OpenShift / Kubernetes 向け Trident

問題

ボリュームのサイズ変更によって、 PVC 概要または Trident のエラーログに次のエラーが記録されることがあります

[root@rhel1 test]# kubectl describe pvc nasvolnew
 Name:      nasvolnew
 Namespace:    default
 StorageClass:  basicnasnew
 Status:     Bound
 Volume:     pvc-c947eae5-3cbf-4356-b2c9-00baec838a17
 Labels:     <none>
 Annotations:   pv.kubernetes.io/bind-completed: yes
         pv.kubernetes.io/bound-by-controller: yes
         volume.beta.kubernetes.io/storage-provisioner: csi.trident.netapp.io
 Finalizers:   [kubernetes.io/pvc-protection]
 Capacity:    6Gi
 Access Modes:  RWO
 VolumeMode:   Filesystem
 Used By:     naspodnew
 Conditions:
   Type     Status  LastProbeTime            LastTransitionTime         Reason  Message
   ----     ------  -----------------          ------------------         ------  -------
   Resizing   True   Mon, 01 Jan 0001 00:00:00 +0000   Tue, 01 Mar 2022 13:20:57 +0000
 Events:
   Type    Reason        Age          From                   Message
   ----    ------        ----         ----                   -------
   Warning  ExternalExpanding   51s (x5 over 139m)  volume_expand               Ignoring the PVC: didn't find a plugin capable of expanding the volume; waiting for an external controller to process this PVC.
   Normal   Resizing       3s (x12 over 139m)  external-resizer csi.trident.netapp.io  External resizer is resizing volume pvc-c947eae5-3cbf-4356-b2c9-00baec838a17
   Warning  VolumeResizeFailed  3s (x8 over 51s)   external-resizer csi.trident.netapp.io  resize volume "pvc-c947eae5-3cbf-4356-b2c9-00baec838a17" by resizer "csi.trident.netapp.io" failed: rpc error: code = Unknown desc = unable to resize the volume: unsupported capacity range; requested size 7516192768 is less than existing volume size 7689220096