How to boot from eMMC but have root directory on an NVME?
#4
(06-23-2020, 08:14 PM)QazTheWsx Wrote:
(06-23-2020, 07:54 PM)xmixahlx Wrote: partition your nvme the way you want it, make filesystems, move files over, edit fstab, check the boot config, then reboot.

i do the same thing on debian currently - my emmc just has boot partitions until i go all out with the SPI boot method.

Ok, there seems to be two partitions a BOOT_MNJRO and a ROOT_MNJRO.

I have found the fstab file but it has only one entry which would be for BOOT_MNJRO. So just add a new entry for the new "ROOT_MNJRO"?

Also where is the boot config and what should I change in it?

Thank you for the quick reply still a noob when it comes to file systems.


After bricking my PBP more than one time with flashing U-Boot i handled it in this way
  1. install partitionmanger or gparted
  2. format the NVMe and make one partition with EXT4 on it
  3. mount the newly created NVMe partition to /mnt
  4. "cd /mnt"
  5. "mkdir dev proc sys mnt"
  6. "rsync -aHxv --numeric-ids --progress /* /mnt --exclude=/dev --exclude=/proc --exclude=/sys --exclude=/mnt"
  7. start partitionmanager KDE or gparted
  8. edit the partition and rename the original partition label from "MNJRO_ROOT to MNJRO_ROOT_1 on the SD card
  9. edit and rename the partition label of the NVMe partition to MNJRO_ROOT
  10. apply all changes and reboot
Now the PBP boots from /boot on the EMMC and mounts / from the NVMe
Mission accomplished and no need for u-boot updates or renewals
NO warranties that it works the same way on other PBP's of other users !!!!


Messages In This Thread
RE: How to boot from eMMC but have root directory on an NVME? - by firefox-58 - 06-24-2020, 08:25 AM

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