Restoration

There are two primary reasons for restoring a cluster: corrupted data has caused your cluster to malfunction, or you want to downgrade to a previous version of HPE Machine Learning Data Management due to an upgrade issue.

Before You Start #

• This guide assumes that you have already created a backup snapshot of your cluster via pachctl create snapshot.

How to Restore a Cluster #

1. Obtain the snapshot ID of the snapshot you want to restore via pachctl list snapshot.
2. Use the snapshot ID to restore your cluster during a Helm upgrade.

   helm upgrade pachd pachyderm/pachyderm \
     --set restoreSnapshot.enabled=true \
     --set restoreSnapshot.snapshot_id=42 \
     --reuse-values

   Copy