From: Goswin von Brederlow <goswin-v-b@web.de>
To: "Jose R. Santos" <jrs@us.ibm.com>
Cc: Andreas Dilger <adilger@sun.com>,
Goswin von Brederlow <goswin-v-b@web.de>,
linux-ext4@vger.kernel.org
Subject: Re: ext4 64bit (disk >16TB) question
Date: Wed, 16 Jul 2008 12:10:31 +0200 [thread overview]
Message-ID: <87r69u9m20.fsf@frosties.localdomain> (raw)
In-Reply-To: <20080715162003.061c745a@ichigo> (Jose R. Santos's message of "Tue, 15 Jul 2008 16:20:03 -0500")
"Jose R. Santos" <jrs@us.ibm.com> writes:
> block boundary. Dont have large disk to test on so Im playing with
> device mapper to see how I can fake one. Our lab network is making
> thing difficult though.
Download
http://www.bullopensource.org/ext4/files/sparse_create
and for 32TiB use
dd if=/dev/zero of=/somewhere/SPACE bs=1 count=1 seek=100000000000
losetup /dev/loop0 /somewhere/SPACE
./sparse_create ext4dev /dev/loop0 68719476736
If you have a real block device to spare use that directly.
MfG
Goswin
prev parent reply other threads:[~2008-07-16 10:10 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-14 19:50 ext4 64bit (disk >16TB) question Goswin von Brederlow
2008-07-14 23:46 ` Theodore Tso
2008-07-15 5:42 ` Goswin von Brederlow
2008-07-15 12:36 ` Theodore Tso
2008-07-15 17:00 ` Goswin von Brederlow
2008-07-15 17:19 ` Theodore Tso
2008-07-15 13:16 ` Ric Wheeler
2008-07-15 14:01 ` Bernd Schubert
2008-07-15 14:08 ` Ric Wheeler
2008-07-15 16:13 ` Goswin von Brederlow
2008-07-15 18:27 ` Jose R. Santos
2008-07-15 20:12 ` Andreas Dilger
2008-07-15 20:15 ` Ric Wheeler
2008-07-15 21:03 ` Goswin von Brederlow
2008-07-15 21:20 ` Jose R. Santos
2008-07-16 10:10 ` Goswin von Brederlow [this message]
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