Hi,

Small version :

My Raspbian is chrooted on an usb disk but the /boot is still on the sd
card.
My /boot is too small to update the kernel (60M)...
The kernel version I have on buster :
 4.19.58-v7+ #1245 SMP Fri Jul 12 17:25:51 BST 2019 armv7l GNU/Linux

How can I fix it?



Long version :

I've (not exactly...) followed this tutorial :
<http://web.archive.org/web/20170628064201/http://www.circuidipity.com/raspberr
y-pi-usb-storage-v4.html>

This machine is used for an NNTP server, you can see the notes I wrote
at the installation :
<http://web.archive.org/web/20180215173531/http://usenet-fr.redatomik.org/view/
Installer_un_serveur_de_nouvelles_sur_un_Raspberry_Pi>

In my installation this was /boot and not /boot/firmware which was mounted.
I would like to move /boot on the / and keep the minimal data on the SD
card for booting (/boot/firmware ?)
When I tried it yesterday to do that, I had an error with rpi-update :

/dev/root: not a block device

I can also create another /boot on the sd but there is already 6
partitions on the sd card...
And how if I can?


Now I think I have restored the boot normally...

# rpi-update
 *** Raspberry Pi firmware updater by Hexxeh, enhanced by AndrewS and Dom
 *** Performing self-update
 *** Relaunching after update
 *** Raspberry Pi firmware updater by Hexxeh, enhanced by AndrewS and Dom
Partition size 60M may not be sufficient for new Pi4 files
This could result in a system that will not boot.
256M FAT partition is recommended. Ensure you have a backup if continuing.
Would you like to proceed? (y/N)

*N*  !!!


# lsblk
NAME                    MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT
sda                       8:0    0 465,8G  0 disk
├─sda1                    8:1    0  20,5G  0 part /
├─sda2                    8:2    0     1G  0 part
└─sda3                    8:3    0 444,3G  0 part
  ├─VgData-LvVarSpool   254:0    0    71G  0 lvm  /mnt
  ├─VgData-LvDataHome   254:1    0    30G  0 lvm  /home
  ├─VgData-LvDataBackup 254:2    0    40G  0 lvm  /backup
  └─VgData-LvSwap2      254:3    0     4G  0 lvm  [SWAP]
mmcblk0                 179:0    0   7,4G  0 disk
├─mmcblk0p1             179:1    0 813,3M  0 part
├─mmcblk0p2             179:2    0     1K  0 part
├─mmcblk0p3             179:3    0    32M  0 part
├─mmcblk0p5             179:5    0    60M  0 part /boot
└─mmcblk0p6             179:6    0   6,5G  0 part



I use the SD card only for booting.
In case of trouble, I want to keep the original raspbian system which is
on the SD card but I didn't have personal data on mmcblk0p6 so I can
reduce it safely.


Thanks by advance!

--
Stéphane
Sorry for mistakes in English...

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