Can i access the same data from HDI and HCP , because when i tried to access it from HCP it is hashed
I presume when you say "access it from HCP it is hashed" that you are referring to the object name/URL. This is done intentionally because the object name in HCP is meant to be a private name to HDI, not exposed to the outside world. The rule of thumb with HDI is that "data going in thru HDI must come out thru HDI as well". This is to ensure proper access control which HDI maintains and HCP does not.
Mr. Jeff Lundberg and Mr. Tim Desai can answer this question.
I wanted to ask, now if I have the Setup for a centralized HCP and remote HDI, and users are accessing through CIFS protocol the ffile systems on HDI, and the HDIs are all connected to the same name space, can different end users access same files on different HDIs i.e HDIs linked on same namespace can sync together and show all files on the name space which are ingested form the other HDIs??
Yes they can. This feature is called "Content Sharing" and is configurable between a group of HDIs that want to share the same filesystem/namespace, creating a "global namespace". The sharing can be defined as "Read Only" (where there is one writing site/HDI and multiple reader sites/HDIs) or as "Read Write" where all sites have access to the same data.
Hi Jonathan. I get what you say about what goes in HCP through HDI must come out by the same way, if not by other reason, I've seen how an HDI namespace looks like in HCP.
Although, wouldn't it be nice if we could choose to collect NFS/CIFS files via HDI and populate a namespace in such a way that one could then use those files afterwards via other protocols. I understand the issue with permissions but couldn't that be handled by extra metadata?
Yes it can. In fact we are looking to provide this capability through a new product offering called Hitachi Content Intelligence (HCI). HCI will be able to crawl an HCP namespace that is full of HDI objects, read the object metadata that was populated by HDI, decode the permission bit masks, and produce consumable Access Control Entries that can then be used to enforce document level security when reading the object directly out of HCP. HCI is not available today -- it will GA towards the end of this year. Stay tuned!
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