From: Zheng Liu <gnehzuil.liu@gmail.com>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: Michael <mike@draftx.net>, Theodore Ts'o <tytso@mit.edu>,
linux-ext4@vger.kernel.org
Subject: Re: EXT4 Larger Than 16TB
Date: Mon, 22 Jul 2013 07:43:26 +0800 [thread overview]
Message-ID: <20130721234325.GA15659@gmail.com> (raw)
In-Reply-To: <51EC64E8.8090509@zytor.com>
On Sun, Jul 21, 2013 at 03:47:04PM -0700, H. Peter Anvin wrote:
> On 07/09/2013 06:45 AM, Michael wrote:
> > No problem, it sounds like it would be a very tricky bit of code to
> > write. Shuffling metadata blocks is not an easy feat.
> >
> > Is there any way to tell if I'm using 64 bit? Ubuntu defaults to
> > setting ext4 to default, but I don't know if it did when I first
> > created this FS.
> >
> > If it is 64 bit, the resize2fs utility should be able to handle this
> > one kernels >3.7, correct?
> >
>
> Is there a way to force this at mkfs time? I.e. "I know I may want to
> expand this filesystem beyond the 16 TB point?"
Hi Peter,
You could use 'mkfs.ext4 -O 64bit' to force enable 64bit support. In
addition, we will enable this feature by default. Lukas has a patch to
fix it. Here is the link [1].
1. http://patchwork.ozlabs.org/patch/253234/
Regards,
- Zheng
next prev parent reply other threads:[~2013-07-21 23:43 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-08 21:32 EXT4 Larger Than 16TB Michael
2013-07-09 2:14 ` Theodore Ts'o
2013-07-09 13:45 ` Michael
2013-07-21 22:47 ` H. Peter Anvin
2013-07-21 23:43 ` Zheng Liu [this message]
2013-07-22 0:44 ` Michael
2013-07-22 0:52 ` Zheng Liu
2013-07-22 0:59 ` Michael
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