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How to replace nodes without reducing redundancy? #737

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yeshl opened this issue Nov 21, 2024 · 1 comment
Open

How to replace nodes without reducing redundancy? #737

yeshl opened this issue Nov 21, 2024 · 1 comment

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@yeshl
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yeshl commented Nov 21, 2024

pv with placementCount: "2",how to delete node30 and add a new one to replace it without reducing redundancy?

| master20    | pvc-e8bc738f-633c-4942-83e1-84536c2b7622 | DfltDisklessStorPool |     0 |    1015 | /dev/drbd1015 |            | Unused | TieBreaker |
| node30 | pvc-e8bc738f-633c-4942-83e1-84536c2b7622 | pool-01              |     0 |    1015 | /dev/drbd1015 |  23.34 GiB | Unused |   UpToDate |
| node31 | pvc-e8bc738f-633c-4942-83e1-84536c2b7622 | pool-01              |     0 |    1015 | /dev/drbd1015 |  23.34 GiB | InUse  |   UpToDate |
@WanzenBug
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Simplest would be:

  • Add the new node
  • Run kubectl cordon <old-node>
  • Run linstor node evacuate <old-node>, wait for all resource to sync up.
  • Delete the node from kubernetes

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@WanzenBug @yeshl