On Mon, Oct 03, 2011 at 03:10:43PM -0500, Eric Sandeen wrote:
> On 10/3/11 1:13 PM, Richard W.M. Jones wrote:
> > On Mon, Sep 26, 2011 at 02:51:33PM -0500, Eric Sandeen wrote:
> >> Another little heads up - a newer snapshot is built in rawhide now.
> >> Anyone who wants to fiddle with large ext4 filesystems, have at
> >> it please!
> > Is there any background information to this change that I can read?
> > I created a 2**60 byte disk, partitioned it, and tried to create an
> > ext4 filesystem on it, but that doesn't work:
> heh; going for the gusto I see!
> Can we maybe start with a mere 500 terabytes?
Well I started with 2**63-513, but sadly qemu has a bug that prevents
me from writing to such a disk ...
> > ><rescue> mke2fs -t ext4 /dev/vda1
> > mke2fs 1.42-WIP (25-Sep-2011)
> > Warning: the fs_type huge is not defined in mke2fs.conf
> Icky, but unrelated to below, I think
> > /dev/vda1: Cannot create filesystem with requested number of inodes while setting up superblock
> sounds like it calculated an inode ratio that put it over the 2^32 inode nr. limit.
> I'll look into it.
Thanks. Let me know if/when there's anything else I can test.
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
Read my programming blog: http://rwmj.wordpress.com
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