On Thu, Jun 28, 2018 at 10:36:45AM +0000, Hans-Joachim Baader wrote: > Hello maintainers, > > Windows 10 uses a recovery partition which is sometimes marked with > partition type 0x27 on MBR systems. I don't know why some vendors > use MBR rather than GPT, but it's a fact. > > 0x27 is in fact defined as Windows RE hidden partition (see > https://www.win.tue.nl/~aeb/partitions/partition_types-1.html). > > I haven't found a way to create a partition with this ID in parted. I used > parted 3.2 which is 4 years old but I don't think is has been changed > in Git. For example when I create a NTFS partition and do > > set 3 hidden on > > I get ID 0x17. Perhaps a new flag is needed, e.g. > > set 3 winre on > > Do you think that parted should support that? Perhaps I could contribute > a patch if it's not supported yet.
It looks like we know about it internally, PARTITION_MSFT_RECOVERY, but it isn't hooked up to a flag type. It is displayed as diag, but using diag sets it to 0x12 (COMPAQ_DIAG). It would probably be a good thing to separate that out. We already have a msftres that's only used on GPT so I think it makes sense to hook that command up to 0x27 on MBR. That also means no changes to the list of PED_PARTITION_* flags. If you'd like to try patching it that would be great, thanks! -- Brian C. Lane (PST8PDT)
