Arvados

Copying Radhika's suggestions from #9437:

• For each of the azure / S3 / unix storage related config params, should we add “required when using X storage” or something like that? For ex: when I am using S3, I do not need “volume” or “azure-storage-container-volume” but require “s3-bucket-volume”, correct?

• blob-signature-ttl - default 1209600 - can we say “Default is 2 weeks. (default 1209600)”?

• enforce-permissions - do we want to add default here?

• I am sorry I could not quite understand what this means: “If smaller than 67108864, use multiple concurrent range requests to retrieve a block”

• How do “azure-storage-replication” and “s3-replication” impact / relate to the “default_collection_replication” from the api config file?

• “Replication level to report to clients when” => I think this is a bit cryptic? Can we also include “collections will be replicated to these many storages / times or something?”

• “Do not write, delete, or touch anything on the following volumes” => “Do not write, delete, or touch anything on the configured volumes?”

• “trash-lifetime” - please add default here?

• I see that the doc lists the args in alphabetical order. Would it help if we group them? First list all the "generic" args such as trash-lifetime etc that are required / applicable irrespective of the storage type being used, then groups of args per storage type?