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To: Dubravko Markic <dmarkic@xxxxxxxxxxx>
Subject: Re: GRIO
From: Eric Sandeen <sandeen@xxxxxxx>
Date: Wed, 05 Oct 2005 09:17:10 -0500
Cc: ak@xxxxxxx, linux-xfs@xxxxxxxxxxx
In-reply-to: <BAY110-F74AE64850A5474E5BA29DB4820@phx.gbl>
References: <BAY110-F74AE64850A5474E5BA29DB4820@phx.gbl>
Sender: linux-xfs-bounce@xxxxxxxxxxx
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Dubravko Markic wrote:
Hello again,
I am wondering if you guys have any idea if it possible to have the High Performance Guaranteed-Rate I/O-Unlimited Streams software option in SuSE v.10 and linux kernel 2.6.13+? I would need to be able to have this option for running the video-on-demand service. Do you know if it is possible to have it? Also do you guys have any clue how much it costs to have this software option(GRIO-Unlimited Streams)? Or is this once again a service which is only limited to IRIX OS? Thanks in advance

GRIO (V1), as implemented on Irix, will almost certainly never be ported to Linux.

The realtime subvolume by itself really doesn't give you much in terms of realtime. It's essentially a more deterministic allocator, which allocates in larger units, and direct IO. It was -part- of the GRIO system on Irix.

You should look at the ioprio stuff that Andi & Jens were talking about on the other thread.

Or, talk to an SGI sales rep for a full-blown media playout solution :)


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