zbcli rollback-swap
Performs rollback swap between active and backup root partitions
zbcli rollback-swap
Description
Requires superuser privilege.
Performs rollback swap between active and non-active root partitions.
Usage
zbcli rollback-swap
Options:
-y, --yes Say yes and skip prompts and go straight to rebooting
-h, --help Print help
zbcli rollback-swap provides a convenient method to manually swap between the active and non-active root partitions.
Examples
Use lsblk to see that the ACTIVE root partition (/) is mounted at /dev/mmcblk0p2 -> cryptrfs_A. Only the ACTIVE partition mount point will show up.
lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS
sda 8:0 1 57.3G 0 disk
└─sda1 8:1 1 57.3G 0 part
mmcblk0 179:0 0 29.7G 0 disk
├─mmcblk0p1 179:1 0 512M 0 part /boot/firmware
├─mmcblk0p2 179:2 0 14.4G 0 part
│ └─cryptrfs_A 254:0 0 14.3G 0 crypt /
├─mmcblk0p3 179:3 0 14.4G 0 part
└─mmcblk0p4 179:4 0 512M 0 part
└─cryptrfs_DATA 254:1 0 496M 0 crypt
Now run zbcli rollback-swap. Confirm reboot.
sudo zbcli rollback-swap
Validated bootware installation
---------
Pi Module: Raspberry Pi 5
Operating System: Rpi-Bookworm
Zymbit module: Zymkey
Kernel: kernel_2712.img
---------
? Confirm swap active and non-active root partitions? This will reboot the device. (y/n) › yes
During the boot, Bootware will display an INFO message that it is Executing a Rollback. After the reboot completes, look at the new mount points. The ACTIVE root (/) partition should now be mounted at /dev/mmcblk0p3 -> cryptrfs_B.
lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS
sda 8:0 1 57.3G 0 disk
└─sda1 8:1 1 57.3G 0 part
mmcblk0 179:0 0 29.7G 0 disk
├─mmcblk0p1 179:1 0 512M 0 part /boot/firmware
├─mmcblk0p2 179:2 0 14.4G 0 part
├─mmcblk0p3 179:3 0 14.4G 0 part
│ └─cryptrfs_B 254:0 0 14.3G 0 crypt /
└─mmcblk0p4 179:4 0 512M 0 part
└─cryptrfs_DATA 254:1 0 496M 0 crypt