Get full area of EMMC/UFS on bootchain A

Please provide the following info (tick the boxes after creating this topic):
Software Version
DRIVE OS 6.0.8.1
DRIVE OS 6.0.6
DRIVE OS 6.0.5
DRIVE OS 6.0.4 (rev. 1)
[*] DRIVE OS 6.0.4 SDK
other

Target Operating System
[*] Linux
QNX
other

Hardware Platform
DRIVE AGX Orin Developer Kit (940-63710-0010-300)
DRIVE AGX Orin Developer Kit (940-63710-0010-200)
DRIVE AGX Orin Developer Kit (940-63710-0010-100)
DRIVE AGX Orin Developer Kit (940-63710-0010-D00)
DRIVE AGX Orin Developer Kit (940-63710-0010-C00)
DRIVE AGX Orin Developer Kit (not sure its number)
other

SDK Manager Version
1.9.3.10904
other

Host Machine Version
native Ubuntu Linux 20.04 Host installed with SDK Manager
[*] native Ubuntu Linux 20.04 Host installed with DRIVE OS Docker Containers
native Ubuntu Linux 18.04 Host installed with DRIVE OS Docker Containers
other

Dear Nvidia Teams,

As this post https://forums.developer.nvidia.com/t/how-to-mount-all-areas-of-emmc-and-ufs-under-linux/228442/5 stated, the EMMC and UFS size is divided half to support bootchain A/B/C. We have tried modify the ufs-size attribute in the config file “/drive-foundation/platform-config/hardware/nvidia/platform/t23x/automotive/pct/drive_av/linux/global_storage.cfg” to increase the UFS size, but it doesn’t help.

We would like to know if there is anyway to disable bootchain B and bootchain C so that we could mount all EMMC and UFS on bootchain A.

Thanks!

Dear @wangchong.li,
It is not possible to disable.

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