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Date:	Sun, 19 Dec 2010 13:30:47 -0600
From:	Eric Sandeen <>
To:	Justin Piszcz <>
CC:	Sandon Van Ness <>,,,
	Alan Piszcz <>
Subject: Re: Is EXT4 the right FS for > 16TB?

On 12/19/10 1:14 PM, Justin Piszcz wrote:
> On Sun, 19 Dec 2010, Eric Sandeen wrote:
>> On 12/19/10 10:53 AM, Justin Piszcz wrote:
>>> Hi,
>>> Wow, there were no updates though after Eric's last comment..
>>> Eric, have there been any improvements in the past 6 months?
>>> Or should one still steer clear from EXT4 > 16TB?
>> There is still no released e2fsprogs which supports > 16T for
>> ext4, but testing of the not-released bits is welcomed...
>> Ted says a 16T-capable version is coming soon.  There's still
>> work to be done there, though.
>> -Eric
> Thanks Eric for confirming.
> With 7 x 3TB HDD its now possible to breach 16TB (16.38TB) in RAID-5 so I
> suppose more people may start asking about this.

Agreed, 16T is not that much these days.

As Ric said, XFS will handle it without problem, though.


> Justin.

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