[ILUG] RAID, huge filesystems and data mining.
rcunniff at stp.dias.ie
Wed Jul 14 11:01:02 IST 2004
On Wed, 14 Jul 2004, Olivier Tharan wrote:
> A NetApp storage could do what you want. It's NFS (or CIFS or
> HTTP, etc.) but it could be part of a NAS with Fiber Channel
> (this part I am not sure). When you run out of space, you throw
> more disks in your qtree and there you are.
Ok, that's something I don't think has been considered.
> On the downside, the permissions are bound to your system, so for
> the access permissions mentioned earlier, you would have to rely
> on Unix groups and basic permissions (no ACL).
This is (sadly) not a runner.
The overlapping data access problem means you need a user to belong to
many, many groups (potentially 2^N for N users, and N is going to be
The real problem is that a user can't easily figure out by looking at the
group ownership of a set of directories, which ones they're permitted to
The resulting solution has to be invisible to the end-user.
I'll look in to the NetApp futher.
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