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 ... https://rwmj.wordpress.com/2011/10/03/maximum-qcow2-disk-size/ https://bugs.launchpad.net/qemu/+bug/865518 > > ><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. Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones Read my programming blog: http://rwmj.wordpress.com Fedora now supports 80 OCaml packages (the OPEN alternative to F#) http://cocan.org/getting_started_with_ocaml_on_red_hat_and_fedora -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel
