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We've introduced Safe Mode in OS 6.9.3. Safe Mode allows you to boot your ReadyNAS and reach the Admin Page to make a well informed decision about the current status.  Safe Mode is temporary. If you enter Safe Mode, make changes, and do not apply your changes by creating a new volume, your changes will be lost the next time you restart your ReadyNAS. 

Safe Mode appears under several situations:

Situation

How to Encounter

Previous Behavior

New Behavior
No Disks Detected Boot the ReadyNAS with no disks
  • Equipment status shows No Disks Detected (in RAIDar or the LCD, if equipped)
  • No Admin Page access
  • No action can be taken until you insert disks and reboot the system
  • Access the Admin Page and be alerted about the current status of the device (No Disks Detected) and what you can do to resolve it
  • You can insert disks at this time and continue on to create a volume and setup ReadyNAS without restarting the unit.
Corrupt Root

The file system or the RAID that hosts the on-disk operating system is not usable in its current state. Conditionally, the data volume may be unaffected by an error.
  • Equipment status shows Corrupt Root (in RAIDar or the LCD, if equipped)
  • No advisement on what action to take next
  • No access to data or the Admin Page
Previously Formatted Disks (not from another ReadyNAS) The disks inside your ReadyNAS have existing data that does not come from a ReadyNAS device. This could be disks from other NAS devices or disks previously formatted to be used with PCs, for example.
  • Equipment status shows Previously Formatted Disks (in RAIDar or the LCD, if equipped)
  • For the security of any existing data, ReadyNAS does not force overwriting this data automatically.
  • From RAIDar only, must format the drives so they may be used; or issue a factory default using the boot menu to overwrite the data.
  • Access the Admin Page to understand that the disks in the system may contain vital data you may not want removed.
  • Make decisions to format the disks and create a volume over the existing drives.
Last Updated:07/07/2025 | Article ID: 000055134

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