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explain sharding relationship with deprovisioning

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Jörn Friedrich Dreyer
2021-09-14 09:51:23 +02:00
parent 6f9a918818
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docs/ocis/storage-backends/cephfs.md
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@@ -52,7 +52,7 @@ Shares [are be mapped to ACLs](https://github.com/cs3org/reva/pull/1209/files#di
- If needed for redundancy, the share manager can be run multiple times, backed by the same cephfs
- To save disk io the data can be cached in memory, and invalidated using stat requests.
- A good tradeoff would be a folder for each user with a json file for each list. That way, we only have to open and read a single file when the user want's to list the shares.
- To allow deprovisioning a user the data should by sharded by userid.
- To allow deprovisioning a user the data should by sharded by userid. That way all share information belonging to a user can easily be removed from the system. If necessary it can also be restored easily by copying the user specific folder back in place.
- For consistency over metadata any file blob data, backups can be done using snapshots.
- An example where einstein has shared a file with marie would look like this on disk:
```