linux-ext4 - Re: On the 16TiB max file size limit (not filesystem limit)

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Message-ID: <20130820173537.GA5030@quack.suse.cz>
Date:	Tue, 20 Aug 2013 19:35:37 +0200
From:	Jan Kara <jack@...e.cz>
To:	Spelic <spelic@...ftmail.org>
Cc:	linux-ext4@...r.kernel.org
Subject: Re: On the 16TiB max file size limit (not filesystem limit)

On Sun 18-08-13 23:00:29, Spelic wrote:
> Dear ext4 developers
> are there any plans to overcome the 16TiB maximum file size limit for ext4?
> 
> Now that resize works across 16TiB boundary, many people could be
> interested in using ext4 as a slower but safer alternative to a
> distributed filesystem for large storages. However 16TiB filesize
> limit might be a problem if one wants to do big virtualization or
> anyway somehow nesting storage systems one into the other. Is the
> limit hard to fix?
  It would mean an incompatible on disk format change in the format of
extent. So it's doable but definitely not trivial.

								Honza
-- 
Jan Kara <jack@...e.cz>
SUSE Labs, CR
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