On Mon, Aug 31, 2009 at 4:13 PM, Andreas Dilger<adilger@xxxxxxx> wrote: > Justin, could you please replicate this corruption, collecting some > additional information before & after. My recollection is that the > corruption appears in the first few groups, so 64kB should be plenty > to capture the group descriptor tables (where the checksum is kept). > > - mke2fs > - dd if=/dev/XXX bs=4k count=16 | gzip -9 > /tmp/gdt-new.gz > - mkdir ... > - sync > - dd if=/dev/XXX bs=4k count=16 | gzip -9 > /tmp/gdt-mkdir.gz > - umount > - dd if=/dev/XXX bs=4k count=16 | gzip -9 > /tmp/gdt-umount.gz > - e2fsck > - dd if=/dev/XXX bs=4k count=16 | gzip -9 > /tmp/gdt-e2fsck.gz > No problem. I just sent you an email with those four attached. If anyone would like me to upload them somewhere else, just let me know. -Justin -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
