Eddie Torres comments

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                                            Eddie Torres

Karpenter Disrupted Nodes and EBS CSI Volume Attachment

Hi there @mugdha-adhav, that behavior is expected and unrelated to the issue being tracked in this thread. Kubernetes intentionally prevents reattachment of volumes marked for deletion: ```sass PersistentVolume is marked...

scheduler: Improve CSILimits plugin accuracy by using VolumeAttachments

/sig storage

scheduler: Improve CSILimits plugin accuracy by using VolumeAttachments

/retest

scheduler: Improve CSILimits plugin accuracy by using VolumeAttachments

cc: @jsafrane for review whenever you have some time 🙂

scheduler: Improve CSILimits plugin accuracy by using VolumeAttachments

Discussed during sig-storage and we'll want to account for plugins which don't create VA objects / don't support `ControllerPublishVolume` RPC, I'll include that in next rev.

scheduler: Improve CSILimits plugin accuracy by using VolumeAttachments

@mowangdk That is a good observation - typically the issue sorts itself out over time assuming the relevant VA object is eventually deleted. However, that is not a great assumption...

scheduler: Improve CSILimits plugin accuracy by using VolumeAttachments

cc: @gnufied @jsafrane - PTAL, this is ready for review.

scheduler: Improve CSILimits plugin accuracy by using VolumeAttachments

@mowangdk To the best of my knowledge, this PR does not affect CA in any way.

scheduler: Improve CSILimits plugin accuracy by using VolumeAttachments

This PR is approved by sig-scheduling and sig-storage, but I believe it should be reviewed and approved by sig-auth as well. cc: @deads2k @dims

Ensure volumes are unmounted during graceful node shutdown

/test ci-kubernetes-node-kubelet-serial-graceful-node-shutdown