18.04 LTS Unmounts external HDD when session locks












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I have an external HDD I use for backups (rsync during night) and other stuff. On 16.04 it was mounted all the time and I did not have any problems. In 18.04 however, after I lock my session, the disk spins down and gets unmounted.



The mountpoint is /media/username/NameOfDisk and the device is /dev/dm-0



Is there a way to prevent this from happening?



BTW: I tried



sdparm --save --clear=STANDBY /dev/dm-0



and got



unable to access /dev/dm-0, ATA disk?



I also created a cron job that touched a file on the disk every minute, but it still unmounts.










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    0















    I have an external HDD I use for backups (rsync during night) and other stuff. On 16.04 it was mounted all the time and I did not have any problems. In 18.04 however, after I lock my session, the disk spins down and gets unmounted.



    The mountpoint is /media/username/NameOfDisk and the device is /dev/dm-0



    Is there a way to prevent this from happening?



    BTW: I tried



    sdparm --save --clear=STANDBY /dev/dm-0



    and got



    unable to access /dev/dm-0, ATA disk?



    I also created a cron job that touched a file on the disk every minute, but it still unmounts.










    share|improve this question



























      0












      0








      0








      I have an external HDD I use for backups (rsync during night) and other stuff. On 16.04 it was mounted all the time and I did not have any problems. In 18.04 however, after I lock my session, the disk spins down and gets unmounted.



      The mountpoint is /media/username/NameOfDisk and the device is /dev/dm-0



      Is there a way to prevent this from happening?



      BTW: I tried



      sdparm --save --clear=STANDBY /dev/dm-0



      and got



      unable to access /dev/dm-0, ATA disk?



      I also created a cron job that touched a file on the disk every minute, but it still unmounts.










      share|improve this question
















      I have an external HDD I use for backups (rsync during night) and other stuff. On 16.04 it was mounted all the time and I did not have any problems. In 18.04 however, after I lock my session, the disk spins down and gets unmounted.



      The mountpoint is /media/username/NameOfDisk and the device is /dev/dm-0



      Is there a way to prevent this from happening?



      BTW: I tried



      sdparm --save --clear=STANDBY /dev/dm-0



      and got



      unable to access /dev/dm-0, ATA disk?



      I also created a cron job that touched a file on the disk every minute, but it still unmounts.







      mount hard-drive






      share|improve this question















      share|improve this question













      share|improve this question




      share|improve this question








      edited Jan 18 at 9:14







      user3733812

















      asked Jan 17 at 11:38









      user3733812user3733812

      12




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