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Bug 2242316 - After upgrade, CNV 4.13.4 -> 4.14.0 - OS DataSource(s) are not available (if the default storage class was changed to OCS before the upgrade, but images were not re-imported)
Summary: After upgrade, CNV 4.13.4 -> 4.14.0 - OS DataSource(s) are not available (if ...
Keywords:
Status: CLOSED MIGRATED
Alias: None
Product: Container Native Virtualization (CNV)
Classification: Red Hat
Component: Storage
Version: 4.14.0
Hardware: Unspecified
OS: Unspecified
high
high
Target Milestone: ---
: 4.14.2
Assignee: Alex Kalenyuk
QA Contact: Jenia Peimer
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2023-10-05 14:33 UTC by Jenia Peimer
Modified: 2023-12-14 16:11 UTC (History)
3 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
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Clone Of:
Environment:
Last Closed: 2023-12-14 16:11:44 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)
DataSources-Catalog-UI (217.20 KB, image/png)
2023-10-05 14:33 UTC, Jenia Peimer 		no flags Details
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System ID Private Priority Status Summary Last Updated
Red Hat Issue Tracker   CNV-33714 0 None None None 2023-12-14 16:11:43 UTC

Description Jenia Peimer 2023-10-05 14:33:36 UTC 
Created attachment 1992272 [details]
DataSources-Catalog-UI

Description of problem:
After upgrade, CNV 4.13.4 -> 4.14.0 - OS DataSource(s) are not available (if the default storage class was changed to OCS before the upgrade, but images were not re-imported)

Version-Release number of selected component (if applicable):
4.14.0

How reproducible:
Had only one upgrade run 

Steps to Reproduce:

1. Before upgrade:  
Default SC is HPP, boot source images are imported to HPP PVCs (DV garbage collection enabled)
Change the default storage class to OCS
Delete some boot source images PVCs, they will re-import to OCS PVCs

2. Upgrade CNV to 4.14.0

3. See the result:

OCS PVCs got deleted, VolumeSnapshots were created instead, DataSources are Available (as expected)

HPP PVCs stayed 

$ oc get pvc -n openshift-virtualization-os-images 
NAME                          STATUS   VOLUME                                     CAPACITY   ACCESS MODES   STORAGECLASS         AGE
centos7-680e9b4e0fba          Bound    pvc-6d5bb6c7-9e75-44ba-8467-5dbbbfef209c   229Gi      RWO            hostpath-csi-basic   3d3h
rhel8-2cde3f47f8c7            Bound    pvc-8ba0f5c2-7740-4cc8-a7d1-c749919108e0   229Gi      RWO            hostpath-csi-basic   3d3h
rhel9-a1947a1edca5            Bound    pvc-6f39c915-b049-4574-9627-bcba9c7c34f4   229Gi      RWO            hostpath-csi-basic   3d3h

But their DataSources are not Ready (attaching the UI screenshot)

$ oc get DataSource -n openshift-virtualization-os-images rhel8 -oyaml
....
status:
  conditions:
  - lastHeartbeatTime: "2023-10-04T13:23:08Z"
    lastTransitionTime: "2023-10-04T13:23:08Z"
    message: Snapshot not found
    reason: NotFound
    status: "False"
    type: Ready
  source:
    snapshot:
      name: rhel8-2cde3f47f8c7
      namespace: openshift-virtualization-os-images

Actual results:
HPP PVCs are there, but DataSources are not Ready and not Available in UI

Expected results:
All DataSources are Ready and Available

Additional info:
To fix this: 
1. Delete the PVCs in openshift-virtualization-os-images namespace
2. Trigger DataImportCron reconciliation (can add any annotation to the object) or just wait until the DataImportCron will start the next scheduled import.   
   $ oc edit DataImportCron -n openshift-virtualization-os-images rhel8-image-cron

This will trigger importing of the images to OCS DVs/PVCs and then converting them to VolumeSnapshots, and the DataSource will become Available
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