2008-04-07 21:41:06

by Joshua Hoblitt

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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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2008-04-08 14:20:15

by Jose R. Santos

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Subject: Re: ext4 volume > 16TB possible?

On Mon, 7 Apr 2008 11:02:37 -1000
Joshua Hoblitt <[email protected]> wrote:

> 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.

Support for 64-bit block number is not yet available on e2fsprogs. It
is being worked on but other features currently have higher priority
that this so its hard to say when it will be done.

-JRS

2008-04-08 18:19:03

by Joshua Hoblitt

[permalink] [raw]
Subject: Re: ext4 volume > 16TB possible?

OK - I am happy to test when this feature is merged.

Thanks,

-J

--
On Tue, Apr 08, 2008 at 09:20:01AM -0500, Jose R. Santos wrote:
> On Mon, 7 Apr 2008 11:02:37 -1000
> Joshua Hoblitt <[email protected]> wrote:
>
> > 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.
>
> Support for 64-bit block number is not yet available on e2fsprogs. It
> is being worked on but other features currently have higher priority
> that this so its hard to say when it will be done.
>
> -JRS


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