* On the 16TiB max file size limit (not filesystem limit)
@ 2013-08-18 21:00 Spelic
2013-08-20 17:35 ` Jan Kara
0 siblings, 1 reply; 2+ messages in thread
From: Spelic @ 2013-08-18 21:00 UTC (permalink / raw)
To: linux-ext4
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?
Thank you
S.
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: On the 16TiB max file size limit (not filesystem limit)
2013-08-18 21:00 On the 16TiB max file size limit (not filesystem limit) Spelic
@ 2013-08-20 17:35 ` Jan Kara
0 siblings, 0 replies; 2+ messages in thread
From: Jan Kara @ 2013-08-20 17:35 UTC (permalink / raw)
To: Spelic; +Cc: linux-ext4
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@suse.cz>
SUSE Labs, CR
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2013-08-18 21:00 On the 16TiB max file size limit (not filesystem limit) Spelic
2013-08-20 17:35 ` Jan Kara
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