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From: Andrew Clausen <clausen@gnu.org>
To: Arjan van de Ven <arjanv@redhat.com>
Cc: Apurva Mehta <apurva@gmx.net>, Andries Brouwer <aebr@win.tue.nl>,
	John Bradford <john@grabjohn.com>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	bug-parted@gnu.org
Subject: Re: Disk Geometries reported incorrectly on 2.6.0-testX
Date: Mon, 1 Dec 2003 09:54:40 +1100	[thread overview]
Message-ID: <20031130225439.GA464@gnu.org> (raw)
In-Reply-To: <1070182676.5214.2.camel@laptop.fenrus.com>

On Sun, Nov 30, 2003 at 09:57:56AM +0100, Arjan van de Ven wrote:
> > Intel's EFI GPT partition table format seems quite acceptable.
> 
> EFI GPT has some severe downsides (like requiring the last sector on
> disk, which in linux may not be accessible if the total number of
> sectors is not a multiple of 2,

Yeah, this does suck.  That ioctl hack isn't pretty.

> and making dd of one disk to another impossible if the second one is
> bigger)

You just lose some of the fault tolerance, until you rerun a partition
tool (or even boot a kernel) that re-does the end of it, adjusting
for the new disk size.

The whole point of having an extra copy of the table is to be fault
tolerant, not to introduce another point of failure!

Cheers,
Andrew


  parent reply	other threads:[~2003-11-30 22:50 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-11-28  4:58 Disk Geometries reported incorrectly on 2.6.0-testX Apurva Mehta
2003-11-28 14:24 ` Andries Brouwer
2003-11-29  2:22   ` Andrew Clausen
2003-11-29  5:16     ` Szakacsits Szabolcs
2003-11-29  9:18       ` Sven Luther
2003-11-29 12:41         ` Andries Brouwer
2003-11-30 11:44           ` Szakacsits Szabolcs
2003-11-30 15:19             ` Andries Brouwer
2003-11-29 12:34       ` Andries Brouwer
2003-11-29 13:50         ` John Bradford
2003-11-29 14:04           ` Stefan Smietanowski
2003-11-29 17:01           ` Sven Luther
2003-11-29 22:14             ` Andries Brouwer
2003-11-29 22:44               ` Sven Luther
2003-11-30  0:39                 ` Andries Brouwer
2003-11-30  9:35               ` Sergey Vlasov
2003-11-29 22:31           ` Andrew Clausen
2003-11-30  8:57             ` Arjan van de Ven
2003-11-30  7:38               ` Szakacsits Szabolcs
2003-11-30 10:40               ` John Bradford
2003-11-30 11:24                 ` Sven Luther
2003-11-30 13:48                   ` John Bradford
2003-11-30 17:22                     ` Sven Luther
2003-11-30 23:51                 ` Andrew Clausen
2003-11-30 22:54               ` Andrew Clausen [this message]
2003-11-29 22:27         ` Andrew Clausen
2003-11-30  0:34           ` Andries Brouwer
2003-11-30 11:10             ` Szakacsits Szabolcs
2003-11-30 13:26               ` Andries Brouwer
2003-11-30 12:34                 ` Szakacsits Szabolcs
2003-11-30 15:46                   ` Andries Brouwer
2003-11-29 22:33       ` Andrew Clausen
2003-11-30  9:16         ` Szakacsits Szabolcs
2003-12-03 11:05           ` Andrew Clausen
2003-12-03 11:28             ` Szakacsits Szabolcs
2003-12-03 11:54               ` Andrew Clausen
2003-12-03 13:07                 ` Szakacsits Szabolcs
2003-12-03 23:27                   ` Andrew Clausen
2003-12-03 21:55                     ` Szakacsits Szabolcs
2003-12-03 23:47                     ` bill davidsen
     [not found] <200311300220.hAU2K0dr019280@sunrise.pg.gda.pl>
2003-11-30  2:22 ` Andrzej Krzysztofowicz
2003-11-30 13:13   ` Andries Brouwer
2003-11-30 13:58     ` John Bradford
  -- strict thread matches above, loose matches on Subject: below --
2003-11-30  7:08 Norman Diamond
2003-11-30  7:08 Norman Diamond
2003-11-30 12:49 ` Andries Brouwer
2003-12-03 11:06   ` Andrew Clausen
2003-12-03 14:42     ` Andries Brouwer
2003-12-03 23:11       ` Andrew Clausen

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