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Back up and Restore System Image on NRU-220S _ JetPack 6.0 Developer Preview

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Prerequisites

  • A host computer with L4T environment, e.g., JetPack 6.x

  • The latest NRU-220S tarball (e.g., nru220_JP60DP_MP_2024-01-09_1835.tar.gz), which could be downloaded from NRU NAS.

  • Untar the tarball in L4T folder by 

cd $L4T
sudo tar zxvf nru220_JP60DP_MP_2024-01-09_1835.tar.gz
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The backup procedure of AGX Orin in JP 6.x is slightly different from JP 5.x

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Backup the System Image

  • Turn on NRU-220S, boot into OS, and make sure the NRU-220S is connected to the same local Ethernet with the host computer.

  • On NRU-220S, enter the following command


sudo su

# update below parameters
export HOST_IP=192.168.1.99
SYS_IMG_RAW=NRU220_20240126_JP60DP
echo u > /proc/sysrq-trigger

# low level backup the whole APP partition (/dev/mmcblk0p1) of AGX Orin
dd if=/dev/mmcblk3p1 | ssh nvidia@$HOST_IP dd of=/e_nvme/$SYS_IMG_RAW.raw status=progress

# After this procedure, you will have a $SYS_IMG_RAW.raw on the root folder(/) host computer

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Restore a System Image

  • Shutdown NRU-220S, boot NRU-220S into recovery mode [ref], connect the host and NRU-220S with a USB Type A to Type C cable.

  • On the host computer, enter the following command

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