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Diffstat (limited to 'host/docs/zbx.dox')
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diff --git a/host/docs/zbx.dox b/host/docs/zbx.dox index 3d6a3e527..727a00b7d 100644 --- a/host/docs/zbx.dox +++ b/host/docs/zbx.dox @@ -420,6 +420,10 @@ The "software defined" mode can be enabled for the DSA tables by using the \section zbx_updating_cpld Updating the ZBX CPLD +Note: You may need to update the ZBX CPLD after updating filesystems. If an +update is required, MPM will fail to initialize, and provide a corresponding +error message. + If you need to update the ZBX CPLD, you can do so by running the following command on the device: @@ -436,6 +440,21 @@ By default, the `cpld-zbx.rpd` file will be provided at `/lib/firmware/ni/cpld-zbx.rpd`. Note that after downloading the ZBX CPLD, you will need to completely shut down and power-cycle the device. +If you are updating the image during a filesystem update, i.e., after installing +the new filesystem with Mender, but before rebooting, you will need to mount +the new filesystem first and copy the image over: + + mkdir /mnt/other + mount /dev/mmcblk0p3 /mnt/other + cp /mnt/other/lib/firmware/ni/cpld-zbx.rpd ~ + umount /mnt/other + +Note that the other filesystem may be either `/dev/mmcblk0p2` or `/dev/mmcblk0p3`. +You can now update to the new CPLD image: + + zbx_update_cpld --file=~/cpld-zbx.rpd + + \subsection zbx_updating_cpld_details CPLD Programming: Details Read this section if you want to create your own ZBX CPLD image, or require more |