userdoc:boot-usb-storage

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userdoc:boot-usb-storage [2025/05/04 21:30]
abelbeck 		userdoc:boot-usb-storage [2025/05/04 21:36] (current)
abelbeck
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 Though, there may be situations where using flash storage connected off USB is desirable.  Some boards may implement an internal Compact Flash (CF) or SD card socket using the USB interface, others may have an internal standard USB port for a low profile USB Flash Drive. Though, there may be situations where using flash storage connected off USB is desirable.  Some boards may implement an internal Compact Flash (CF) or SD card socket using the USB interface, others may have an internal standard USB port for a low profile USB Flash Drive.
  
-The problem is it takes longer for USB storage devices to be recognized and available to the Linux Kernel, compared with NVMe or SATA.  While RUNNIX will boot, AstLinux may fail with the message "AstLinux medium not found.", followed by the USB drive mounting a few seconds later as viewed via the console.+The problem is it takes longer for USB storage devices to be recognized and available to the Linux Kernel, compared with SATA or NVMe.  While RUNNIX will boot, AstLinux may fail with the message "AstLinux medium not found.", followed by the USB drive mounting a few seconds later as viewed via the console.
  
 The simple solution is to add "rootdelay=10" to the AstLinux kernel command-line, described below. The simple solution is to add "rootdelay=10" to the AstLinux kernel command-line, described below.
  • userdoc/boot-usb-storage.txt
  • Last modified: 2025/05/04 21:36
  • by abelbeck