On 19 Mar 2022, Wols Lists uttered the following: > On 19/03/2022 04:10, Marc MERLIN wrote: >>> If you find it needs more than the size of sdk1, as an emergency measure you >>> could wipe off the partition table and add the entire sdk as the array member. > >> Yeah, I thought of that, just don't really like it, and not sure if >> mdadm -can looks for raw drives in addition to partitions >> > mdadm has absolutely no trouble with that at all. All it cares about is if something is a block device - if it finds an mdadm > signature at the start of a block device it will use it. > > The problem is the eejits out there who assume that all physical > drives must be partitioned. And we know from experience that there are > eejits out there who assume that any drive without an MBR or GPT just > *must* be unused and it's *perfectly* *okay* to write said MBR or GPT > *without* *asking*. Just trashing your mdadm (or lvm, or whatever yada > ydad) signature in the process. ... and we know that some of the eejits out there write EFI firmware :( and some of them blow away things like this on boot, on resume from suspend, > It's not common ... thank goodness. -- NULL && (void)
