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From: Marcelo Tosatti <marcelo@conectiva.com.br>
To: Jesse Pollard <jesse@cats-chateau.net>
Cc: Tom Sightler <ttsig@tuxyturvy.com>, linux-kernel@vger.kernel.org
Subject: Re: Questions about Enterprise Storage with Linux
Date: Wed, 7 Mar 2001 22:20:25 -0300 (BRT)	[thread overview]
Message-ID: <Pine.LNX.4.21.0103072216250.867-100000@freak.distro.conectiva> (raw)
In-Reply-To: <01030720460701.06635@tabby>


On Wed, 7 Mar 2001, Jesse Pollard wrote:

> On Wed, 07 Mar 2001, Tom Sightler wrote:
> >Hi All,
> >
> >I'm seeking information in regards to a large Linux implementation we are
> >planning.  We have been evaluating many storage options and I've come up
> >with some questions that I have been unable to answer as far as Linux
> >capabilities in regards to storage.
> >
> >We are looking at storage systems that provide approximately 1TB of capacity
> >for now and can scale to 10+TB in the future.  We will almost certainly use
> >a storage system that provides both fiber channel connectivity as well as
> >NFS connectivity.
> >
> >The questions that have been asked are as follows (assume 2.4.x kernels):
> >
> >1.  What is the largest block device that linux currently supports?  i.e.
> >Can I create a single 1TB volume on my storage device and expect linux to
> >see it and be able to format it?
> 
> Checkout the GFS project for really large filesystems with a high capability
> of "fail safe" configuration.
> 
> The block/file limits are more determined by the size of the hosts. Alpha/Sparc
> based systems use 64 bit operations, Intel/AMD use 32 bit. It also depends
> on usage of the sign bit in the drivers. Most 32bit systems are limited
> to 1 TB (depending on the driver of course - some allow for 2 TB).

Even on 64-bit architectures the hard upper limit is 2TB. (32-bit block
numbers)




  reply	other threads:[~2001-03-08  3:06 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-03-07 23:13 Linux 2.4.2ac14 Alan Cox
2001-03-08  0:40 ` Greg KH
2001-03-08  0:17   ` Questions about Enterprise Storage with Linux Tom Sightler
2001-03-08  2:11     ` Jesse Pollard
2001-03-08  1:20       ` Marcelo Tosatti [this message]
2001-03-08  2:35       ` Tom Sightler
2001-03-08  6:00         ` Tim Moore
2001-03-08  5:09     ` Jauder Ho
2001-03-08  7:22     ` james rich
2001-03-09  0:29     ` Thomas Davis
2001-03-08  0:59   ` Linux 2.4.2ac14 Greg KH
2001-03-08 20:43   ` andersg
2001-03-08  0:43 ` [PATCH] " Tachino Nobuhiro
2001-03-08  1:26 ` Misspelled spinlock_prefetch for MK7 (was: Linux 2.4.2ac14) junio
2001-03-08  1:56   ` junio
2001-03-08  5:20 ` Linux 2.4.2ac14 Keitaro Yosimura
2001-03-08 12:12   ` Alan Cox
2001-03-08  7:37 ` Doug Ledford
2001-03-08 13:37 Questions about Enterprise Storage with Linux Jesse Pollard
2001-03-08 16:48 ` james rich
     [not found] <Pine.LNX.4.21.0103090725030.699-100000@penguin.homenet>
2001-03-09  7:37 ` Tigran Aivazian
2001-03-09 17:30 ` Jauder Ho

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