## Longhorn online expansion FAILS — 2026-10-05T12:37:44Z
LAST SEEN   TYPE      REASON               OBJECT                           MESSAGE
7m34s       Normal    ExternalExpanding    persistentvolumeclaim/hub-data   waiting for an external controller to expand this PVC
6m4s        Warning   VolumeResizeFailed   persistentvolumeclaim/hub-data   resize volume "pvc-486c9809-4672-4b56-b70e-0bf01d0c3628" by resizer "driver.longhorn.io" failed: rpc error: code = DeadlineExceeded desc = volume pvc-486c9809-4672-4b56-b70e-0bf01d0c3628 expansion from existing capacity 1073741824 to requested capacity 2147483648 failed
4s          Normal    Resizing             persistentvolumeclaim/hub-data   External resizer is resizing volume pvc-486c9809-4672-4b56-b70e-0bf01d0c3628
4s          Warning   VolumeResizeFailed   persistentvolumeclaim/hub-data   resize volume "pvc-486c9809-4672-4b56-b70e-0bf01d0c3628" by resizer "driver.longhorn.io" failed: rpc error: code = DeadlineExceeded desc = volume pvc-486c9809-4672-4b56-b70e-0bf01d0c3628 expansion from existing capacity 2147483648 to requested capacity 2147483648 failed
engine pvc-486c9809-4672-4b56-b70e-0bf01d0c3628-e-0 spec=2147483648 current=1073741824
[pvc-486c9809-4672-4b56-b70e-0bf01d0c3628-e-0] time="2026-10-05T12:37:45.150634697Z" level=error msg="Failed to expand the frontend" func="controller.(*Controller).Expand.func1.1" file="control.go:332" error="device pvc-486c9809-4672-4b56-b70e-0bf01d0c3628: fail to refresh iSCSI initiator: failed to execute: /usr/bin/nsenter [nsenter --mount=/host/proc/196610/ns/mnt --net=/host/proc/196610/ns/net iscsiadm --version], output , stderr nsenter: cannot open /host/proc/196610/ns/mnt: No such file or directory: exit status 1" volume=pvc-486c9809-4672-4b56-b70e-0bf01d0c3628
                        996780    744880    235516  76% /data
instance-manager-703c624848c15b89cb295ca89db85615        1/1     Running     0               116d   10.42.0.229   dooplex   <none>           <none>
