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Forum Discussion

monolith77's avatar
Mar 22, 2019
Solved

System volume root's usage is 99%. This condition should not occur under normal conditions. Contact

For the last few  days the root usage on my NAS has increased from the initial warning of 81% to now 99%. there is plenty of space on the data drives 1.13TB free and the device is backed up daily t...
  • StephenB's avatar
    Mar 23, 2019

    The cause is almost certainly antivirus - for some reason it has been filling up the OS partition on RN100 systems with temporary files.

     

    You can contact paid support (my.netgear.com), and they can clean it remotely.

     

    If you prefer to do it yourself, there is a guide here: https://community.netgear.com/t5/Using-your-ReadyNAS-in-Business/System-volume-root-s-usage-is-90-RN...

     

    Note that Netgear will be removing the antivirus service in the RN100 series in the next release (6.10, which is at RC-2 so it should reach production soon).  The platform doesn't have enough memory to run all the features in the current firmare. 

     

    Since you'll shortly lose the built-in Antivirus anyway, I recommend just leaving it off when the system is cleaned.