[Gluster-users] Convert to Sharding

Gionatan Danti g.danti at assyoma.it
Sun Mar 22 14:30:03 UTC 2020

Il 2020-03-22 06:55 Amar Tumballi ha scritto:
> When 'Sharding' is enabled, a single file gets broken into multiple
> files, based on offset. But when one does 'readdir()' (ie, ls), those
> files are hidden, and only the valid entry is shown from the Shard
> xlator in the graph.


> Now, when shard is disabled, these files are exposed directly on the
> mountpoint, confusing the user, and making the previously successfully
> written files inaccessible.

Ok, I was missing this piece - that single shards become themselves 
visible. This will crearly wreak havoc on user application.

In such cases, would re-enabling sharding fix the problem?

> Hope this helps you to understand why disabling Shard once enabled is
> hard!

Thanks, it was very helpful.

Danti Gionatan
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