Patrick Bartek wrote: > > Building a new UEFI system to supplant my "showing its age" 12 year old > non-UEFI, MBR-only system, and don't want to do a clean install of > Stretch. Cloning drive and converting to GPT is out. I want only to > migrate the Stretch install out of the others there. Any links > or suggestions as to the best way to do this will be greatly > appreciated. > > > I have done this before, but only with a MBR system & drives. Plus, I > want to have a common-shared /boot partition for possible future > upgrades or expansions. > > Here's a general procedure gleaned from numerous sources, none which > individually covered exactly my circumstances. All the steps will take > place on the new UEFI system as root. > > > 1. Boot New System with 64-bit hybrid LiveCD since I already have I > one . . . somewhere ;-) Check it booted into UEFI mode. > > 2. Partition new drive appropriately in GPT and format > > 3. Mount appropriate partitions of both drives > > 4. Use rsync to copy contents of corresponsing partitions -- Old to New > > 6. Edit fstab on migrated system: new UUIDs; add mount line for /boot > partition, etc. Copy contents of /boot directory to /boot partition. > Add efi directory to new /boot partition. > > 7. chroot to system on new drive > > 8. Install all necessary efi files, efi-grub especially, etc. (They are > not installed on old system. MBR only, remember . . .) > > 9. Create new system map, initrd image, etc., for each kernel. Install > grub > > 10. Shutdown, remove old drive. > > 11. Boot. Hope it works. ;-) > > > Any caveats? Glaring errors? Suggestions? > > Thanks > > B
there was a post yesterday that /boot/efi is dedicated partition formated in FAT32 while /boot may be ext4. I also plan to migrate to UEFI boot in Feb. :) regards
