linux-ext4 - ext4 volume > 16TB possible?

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Message-ID: <20080407210237.GO23213@ifa.hawaii.edu>
Date:	Mon, 7 Apr 2008 11:02:37 -1000
From:	Joshua Hoblitt <jhoblitt@....hawaii.edu>
To:	linux-ext4@...r.kernel.org
Subject: ext4 volume > 16TB possible?

Hi Folks,

Is there as of yet a means of creating a large ext4 filesystem?  mke2fs
as of 1.40.8 is still limited to creating ext3 filesystems at 16TB.

--
ipp022 misc # parted /dev/sda print
Model: Areca ARC-1280-VOL#00 (scsi)
Disk /dev/sda: 22.0TB
Sector size (logical/physical): 512B/512B
Partition Table: gpt

Number  Start   End     Size    File system  Name  Flags
 1      17.4kB  100MB   100MB   ext3                    
 2      100MB   32.9GB  32.8GB  linux-swap              
 3      32.9GB  65.6GB  32.8GB  ext3                    
 4      65.6GB  22.0TB  21.9TB                          

ipp022 misc # ./mke2fs -F -j -J size=400 -O
dir_index,filetype,resize_inode,sparse_super -i32768 -m1 -L ipp022.0 /dev/sda4
mke2fs 1.40.8 (13-Mar-2008)
mke2fs: File too large while trying to determine filesystem size
--

Cheers,

-J

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