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joah's avatar
joah
Aspirant
Feb 09, 2016
Solved

ReadyNas DUO backup error - 'read only file system'

Hello community,

 

I hope you can help me with an issue i'm having with my ReadyNAS Duo (v1) running Raidiator 4.1.14. At night it runs a backup job which copies a folder from a computer on the LAN to the NAS itself. What often happens is after a reset things work for a while, sometimes days, sometimes weeks. But then I get warning emails containing log entries like:

 

cp: cannot create regular file '/backup/projecten/./CAM_strip/01_v0.1.JPG': Read-only file system

 

Usually this warning is given for every file (meaning thousands) so the emails are quite big. And obviously the backup has not been made. I tried troubleshooting this issue and searched for similar issues on this forum and on the web, but to no avail. I can't seem to pinpoint what is causing this.

 

Perhaps you could help me out running through some of the settings, i may have been tinkering too much. I suppose it has something to do with ownership and rights to access these files and folders.

 

Thanks!

  • Hi joah,

     

    Aside from trying StephenB and JennCs suggestions, if you will create a test share, can you tell us if you will experience the same read-only behavior?

     

    Looking forward to your response.

     

     

    Kind regards,

     

    BrianL
    NETGEAR Community Team

25 Replies

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  • StephenB's avatar
    StephenB
    Guru - Experienced User

    I don't know what is causing it - but I am wondering if resetting the file ownership/permissions on the backup share solves it.

    • joah's avatar
      joah
      Aspirant

      I'm afraid resetting the ownership hasn't helped.

       

      One odd thing I noticed is that the first warning email arrives at 02:39 at night. But the backup is scheduled to start at 04:00. So it seems to be failing before it has even begun? The next couple of emails arrive at 05:35, 08:50 and 12:03.

      • joah's avatar
        joah
        Aspirant
        I noticed another email sent at 04:09, containing just two lines like this: .

        cp: cannot open '/job_001//_Projecten/./OBB_Zoetermeer folders/~folder_v0.1~07$hih.idlk' for reading: Text file busy

        Which might actually be correct since these were documents currently opened and unsaved in InDesign. I usually leave my computer running overnight with programs and documents opened.
    • joah's avatar
      joah
      Aspirant

      Ok, done. Let's see what happens tonight.

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