Hi, [Replying to the bug as well, for future reference; should have done that earlier though :-( ]
Am 22. Oktober 2026 00:27:35 MESZ schrieb Pascal Hambourg <[email protected]>: >On 21/10/2026 at 22:24, Holger Wansing wrote: >>> Pascal Hambourg <[email protected]> wrote (Sun, 18 Oct 2026 23:58:29 >>> +0200): >>>> AFAIK, platforms which support IMSM are: >>>> - Intel Matrix Storage Technology (IMST) on SATA - EOL. >>>> - Intel Rapid Storage Technology (RST) on SATA - EOL. >>>> - Intel Volume Management Device (VMD) on NVMe - current. >>>> - Intel RAID on CPU (VROC) on Xeon + NVMe - current. >(...) >>>> Regarding how common it is, the only use cases I can think about are: >>>> - dual boot with Windows on the same drives >>>> - seamless redundant UEFI boot >(...) >> Looking at above listed use cases, they look like corner cases or special >> situations driven by advanced users/experts. >> >> And these people should be able to manually partition their fakeraid system, >> not needing guided partitioning. > >Good point. Unless someone wants to do fully automated installation (also a >rare use case). > >> Since this bug is adressing partman-auto, it only affects guided >> partitioning, while manual partitioning is always possible, even if we >> revert commit 7dfd6208, as you proposed in bug #1146054. >> Is this correct? > >Yes. > >> If yes, I think the best solution would be to simply revert commit 7dfd6208 >> in partman-auto. >> That would still support partitioning of these fakeraid systems in general >> (via manual partitioning) and solve the problems mentioned in bug #1146054 >> (and this with minimal effort and minimal risk). > >If we choose to drop fakeRAID detection, then, as mentioned in the bug report, >we have two options: >- disable automatic partitioning on any md RAID array (breaking some valid use >cases), >- or enable automatic partitioning on any md RAID array (possibly resulting in >a non-bootable system). Let's go for the second variant (enable), to not break valid/existing use cases. People will hopefully have the expertise, to deal with the included challenges. Holger -- Sent from /e/ OS on Fairphone3

