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rbd: VolumeGroupReplicationContent controller to regenerate the OMAP data #4750

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rbd: VolumeGroupReplicationContent controller to regenerate the OMAP data #4750

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Commits on Nov 6, 2024

  1. journal: pass groupUUID to be used for omap name reserve 

    This commit adds groupUUID param for `ReserveName` to be used for
OMAP name reserve instead of auto-generating.
This is useful for mirroring and metro-DR ensuring that mirrored
resources have consistent OMAP names across mirrored clusters.

Signed-off-by: Praveen M <m.praveen@ibm.com>
    @iPraveenParihar
    iPraveenParihar committed Nov 6, 2024
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  2. rbd: add RegenerateVolumeGroupJournal method for Manager interface 

    This commit adds `RegenerateVolumeGroupJournal` to Manager
interface. RegenerateVolumeGroupJournal regenerate the omap
data for the volume group.

This performs the following operations:
  - extracts clusterID and Mons from the cluster mapping
  - Retrieves pool and journalPool parameters from the VolumeGroupReplicationClass
  - Reserves omap data
  - Add volumeIDs mapping to the reserved volume group omap object
  - Generate new volume group handle

Returns the generated volume group handler.

Signed-off-by: Praveen M <m.praveen@ibm.com>
    @iPraveenParihar
    iPraveenParihar committed Nov 6, 2024
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  3. rbd: controller to regenerate volume group omap data 

    This commit adds new controller that watches for the
VolumeGroupReplicationContent and regenerates the OMAP data if
it doesn't exists.

Signed-off-by: Praveen M <m.praveen@ibm.com>
    @iPraveenParihar
    iPraveenParihar committed Nov 6, 2024
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