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Article #505

Re: how can more than one machine access the same files (read-only) on a SAN or NAS?

#505
From: Peter da Silva
Date: Wed, 01 Aug 2001 13:43
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In article <S8I97.41850$uH4.2282703@news20.bellglobal.com>,
Bill Meredith <wmeredit@idirect.com> wrote:
> EMC has a product called Celerra Highroad (part of our NAS offering) that
> does what you're looking for. The Celerra is attached to the Symmetrix disk
> array, and fields file requests made via standard NFS (or CIFS) protocol.
> The data is returned to the NFS client (in your case, the Sun servers)
> accross the SAN. (Actually, if the files are too small to benefit from the
> SAN,  they are sent back across the network; big files are returned via the
> SAN.) The advantages of this approach are:
>     File access is controlled with normal NFS file permissions so it is easy
> to manage access, including Write access.
>     Machines that aren't SAN connected can still access the files via normal
> NFS.

This is basically a NAS with a high speed dedicated network for privileged
servers, no? The Celerra box still has to mediate all the transfers, reading
blocks and sending them over the network (SAN or LAN) to the NFS or CIFS
clients, right?

-- 
 `-_-'   In hoc signo hack, Peter da Silva.
  'U`    "A well-rounded geek should be able to geek about anything."
                                                       -- nicolai@esperi.org
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From: peter@abbnm.com (Peter da Silva)
Newsgroups: comp.arch.storage,han.comp.periphs.storage
Subject: Re: how can more than one machine access the same files (read-only) on a SAN or NAS?
Date: 1 Aug 2001 13:43:20 GMT
Organization: ABB Network Management
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