On Sat, Jul 23, 2016 at 7:46 PM, Chris Murphy <lists@xxxxxxxxxxxxxxxxx> wrote: > Something like this: > [root@f24s ~]# dd if=/dev/sda | hexdump -C | egrep '5f 42 48 52 66 53 5f' > 00110040 5f 42 48 52 66 53 5f 4d 8d 4f 04 00 00 00 00 00 |_BHRfS_M.O......| Ha so originally I was planning on putting in the dd portion a count limit, like count=20480 for a 10MiB search from the start of the drive. You could just do # hexdump -C /dev/sda | egrep '5f 42 48 52 66 53 5f' And then control-C to cancel it once the first super shows up. -- Chris Murphy -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
