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Maintaining Your Controller > Updating the Firmware and Driver > Updating the Firmware Under Linux

Updating the Firmware Under Linux
The following steps describe how to update the firmware under Linux using the utility tw_update. (You can also update the firmware through 3DM. For details, see Updating the Firmware Through 3DM 2.) The PROM images that are installed when you update the firmware include any 3BM and BBU firmware updates.
 
Note: The tw_update utility will only be available for a limited time because tw_update is being replaced by the firmware update feature in 3DM and CLI.
To update the firmware under Linux
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Run the tw_update utility:
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./tw_update fw=/mnt/fw/9xxxSA/prom0008.img
The utility shows the version of the driver and firmware included in the utility, the versions currently installed on your controller, and recommends whether to upgrade the firmware or not.
 
Warning: We strongly recommend backing up your data before updating
the firmware. Updating the firmware can render the device driver
and/or management tools incompatible. It is recommended to have
a copy of current firmware image for rollbacks.
 
Examining compatibility data from firmware image and /c0 ...
 
New-Firmware Current-Firmware Current-Driver Current-API
----------------------------------------------------------------------
FE9X 3.0x.xx.xxx FE9X 3.0x.xx.xxx 2.xx.xx.xxx 2.xx.xx.xxx
 
Both API and Driver are compatible with the new firmware.
Recommendation: proceed to update.
 
Given the above recommendation...
Do you want to continue? Y|N [N]: y
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Downloading the firmware from file /mnt/fw/9xxxSA/prom0008.img ... Done.
The new image will take effect after reboot.

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