Update PG Snapshot restore instructions #1799
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Add instructions for finding and specifying PG image tags
Add image-version instructions
--image-ref not just --image
Roadmaster
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Aug 22, 2024
| ## Restoring from a snapshot | ||
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| To restore a Postgres application from a snapshot, simply specify the `--snapshot-id` argument when running the `create` command as shown below: | ||
| To restore a Postgres application from a snapshot, simply specify the `--snapshot-id` argument and the `--image-ref` argument when running the `create` command as shown below: |
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One has to also specify --stolon if it's a Stolon-based cluster (14.x and lower, I think). For a few people who tried a restore, even with the correct image, without --stolon replication is not set up correctly. Running with --stolon fixes things.
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Summary of changes
There's some interop issues with restoring a snapshot for an older stolon PG into a new postgres-flex cluster. It's also not ideal to restore across different major versions of pg-flex. This updates the PG restore docs to add a section on how to find your image and specify it when restoring the pg cluster. It also updates the PG restore instructions in the single host failure doc.
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Related Fly.io community and GitHub links
Resolves #1772
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