From: Hans-Peter Jansen <hpj@urpla.net>
To: xfs@oss.sgi.com, stan@hardwarefreak.com
Cc: Eric Sandeen <sandeen@sandeen.net>, Pascal <pa5ca1@gmx.de>
Subject: Re: Maximum file system size of XFS?
Date: Mon, 11 Mar 2013 17:15:08 +0100 [thread overview]
Message-ID: <4238234.1XBMaocpAb@xrated> (raw)
In-Reply-To: <513DB9C2.3050408@hardwarefreak.com>
Am Montag, 11. März 2013, 06:02:26 schrieb Stan Hoeppner:
> On 3/10/2013 1:54 AM, Stan Hoeppner wrote:
> > So in summary, an Exabyte scale XFS is simply not practical today, and
> > won't be for at least another couple of decades, or more, if ever. The
> > same holds true for some of the other filesystems you're going to be
> > writing about. Some of the cluster and/or distributed filesystems
> > you're looking at could probably scale to Exabytes today. That is, if
> > someone had the budget for half a million hard drives, host systems,
> > switches, etc, the facilities to house it all, and the budget for power
> > and cooling. That's 834 racks for drives alone, just under 1/3rd of a
> > mile long if installed in a single row.
>
> Jet lag due to time travel caused a math error above. With today's 4TB
> drives it would require 2.25 million units for a raw 9EB capacity.
> That's 3,750 racks of 600 drives each. These would stretch 1.42 miles,
> 7500 ft.
And I just acknowledged the building plans for our new datacenter, based on
your former calculations. The question is, who carries the costs of the now
needed 4 other floors of that building..
Are you well-insured, Stan?
Cheers,
Pete
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next prev parent reply other threads:[~2013-03-11 16:15 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-09 20:51 Maximum file system size of XFS? Pascal
2013-03-09 22:29 ` Ric Wheeler
2013-03-09 22:39 ` Pascal
2013-03-10 1:10 ` Eric Sandeen
2013-03-10 7:54 ` Stan Hoeppner
2013-03-11 11:02 ` Stan Hoeppner
2013-03-11 16:15 ` Hans-Peter Jansen [this message]
2013-03-11 16:22 ` Emmanuel Florac
2013-03-11 1:55 ` Dave Chinner
2013-03-11 21:45 ` Martin Steigerwald
2013-03-11 21:57 ` Martin Steigerwald
2013-03-11 22:01 ` Martin Steigerwald
2013-03-11 22:04 ` Martin Steigerwald
2013-03-20 18:26 ` Pascal
2013-03-11 22:19 ` Dave Chinner
2013-03-11 22:10 ` Martin Steigerwald
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