Re: [Ext2-devel] [PATCH 2/2] ext2/3: Support 2^32-1blocks(e2fsprogs)

From: Andreas Dilger
Date: Sat Mar 18 2006 - 05:10:18 EST

On Mar 18, 2006 14:57 +0900, Takashi Sato wrote:
> >elm3b29:~/e2fsprogs-1.38/misc # ./mke2fs /dev/md0
> >mke2fs 1.38 (30-Jun-2005)
> >mke2fs: Filesystem too large. No more than 2**31-1 blocks
> > (8TB using a blocksize of 4k) are currently supported.
> >
> >When I try to create "ext3":
> As I said in my previous mail, You should specify -F option to
> create ext2/3 which has more than 2**31-1 blocks.
> It is because of the compatibility.

Oh, using -F for this is highly dangerous. That would allow mke2fs to
run on e.g. a mounted filesystem or something. Instead use an option
like "-E 16tb" or something.

Cheers, Andreas
Andreas Dilger
Principal Software Engineer
Cluster File Systems, Inc.

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