On Sat, Mar 28, 2020 at 12:13 PM Mark Knecht <[email protected]> wrote: > > > > On Sat, Mar 28, 2020 at 8:41 AM Mike Gilbert <[email protected]> wrote: > > > > On Sat, Mar 28, 2020 at 5:06 AM <[email protected]> wrote: > > > ...because I have experienced neither any restrictions nor any > > > fragilities in the last 12 years of using a MTB setup with that > > > "MS-DOS" setup (technically it is more a MTB-setup. MSDOS refers > > > to V/FAT, which needs to be used with UEFI in the first partition > > > as far as I know...isn't it?) > > > > > > In short: Never chance a runnig system. > > > > > > But let us better discuss on a more technical level, since I asked > > > for technical help and not for more rethorical given question as > > > an answer. > > > > Here's a technical reason to prefer GPT universally: it stores 2 > > copies of the partition table, one at the start of the disk and one at > > the end of the disk. If either copy gets destroyed, you should be able > > to recover the partition table from the other copy. > > Mike, > What's the process for doing that in general? I assume it's fundamentally > to copy the one at the end (what tools) and then to place it back at the > beginning? (what tools?
The top hit on Google is this: https://www.rodsbooks.com/gdisk/repairing.html It documents recovery options using the "gdisk" tool (sys-apps/gptfdisk).
