On 08/12/16 11:13, Mariusz Dabrowski wrote: > mdadm is using invalid byte-offset while reading GPT header to get > partition info (size, first sector, last sector etc.). Now this offset > is hardcoded to 512 bytes and it is not valid for disks with sector > size different than 512 bytes because MBR and GPT headers are aligned > to LBA, so valid offset for 4k drives is 4096 bytes. > > Signed-off-by: Mariusz Dabrowski <mariusz.dabrowski@xxxxxxxxx> Could this be behind the couple of incidents recently, where an array has been moved from one machine to another, and the GPT has disappeared? I know I've been following the threads, and I've been puzzled in that I've thought "nothing should be writing there!" If it is, what mdadm/kernels are affected, and I can put it on the wiki, writing the page up about corrupted disks is next on my list. Cheers, Wol -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
