Attempted to change permissions on external hard drive files via command line, now several terabytes of data...











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I was attempting to modify the permission of my 4TB external hard drive to enable streaming to another machine via a third party app. The process was taking a long time, so I left the computer alone and came back some time later. On return, the computer had gone to sleep, and when reexamining the drive, I saw that the filesystem appeared empty, whereas before there were 2.3TB of data. On viewing the Properties menu of the disk, it said that there were 5GB of data.



Is it possible that the original data is still present, just hidden somehow? If so, how could I recover it?



I'm relatively new to ubuntu and would appreciate any help, as many of the photos on that hard drive are irreplaceable.



EDIT: I'm pretty sure I used chmod to alter the permissions.










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  • 1




    Possible duplicate of How to recover deleted files? ps: if you used commands, you can see the command you used with history
    – guiverc
    3 hours ago








  • 2




    after more searching, it seems that it's the same issue as askubuntu.com/questions/187489/…. Also, if it is a problem of permissions, would methods related to recovering deleted files still work?
    – xian16
    3 hours ago










  • and thanks for the history tip. Using that, the command I used was chmod -R a+rX /directory
    – xian16
    3 hours ago

















up vote
0
down vote

favorite












I was attempting to modify the permission of my 4TB external hard drive to enable streaming to another machine via a third party app. The process was taking a long time, so I left the computer alone and came back some time later. On return, the computer had gone to sleep, and when reexamining the drive, I saw that the filesystem appeared empty, whereas before there were 2.3TB of data. On viewing the Properties menu of the disk, it said that there were 5GB of data.



Is it possible that the original data is still present, just hidden somehow? If so, how could I recover it?



I'm relatively new to ubuntu and would appreciate any help, as many of the photos on that hard drive are irreplaceable.



EDIT: I'm pretty sure I used chmod to alter the permissions.










share|improve this question









New contributor




xian16 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.
















  • 1




    Possible duplicate of How to recover deleted files? ps: if you used commands, you can see the command you used with history
    – guiverc
    3 hours ago








  • 2




    after more searching, it seems that it's the same issue as askubuntu.com/questions/187489/…. Also, if it is a problem of permissions, would methods related to recovering deleted files still work?
    – xian16
    3 hours ago










  • and thanks for the history tip. Using that, the command I used was chmod -R a+rX /directory
    – xian16
    3 hours ago















up vote
0
down vote

favorite









up vote
0
down vote

favorite











I was attempting to modify the permission of my 4TB external hard drive to enable streaming to another machine via a third party app. The process was taking a long time, so I left the computer alone and came back some time later. On return, the computer had gone to sleep, and when reexamining the drive, I saw that the filesystem appeared empty, whereas before there were 2.3TB of data. On viewing the Properties menu of the disk, it said that there were 5GB of data.



Is it possible that the original data is still present, just hidden somehow? If so, how could I recover it?



I'm relatively new to ubuntu and would appreciate any help, as many of the photos on that hard drive are irreplaceable.



EDIT: I'm pretty sure I used chmod to alter the permissions.










share|improve this question









New contributor




xian16 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.











I was attempting to modify the permission of my 4TB external hard drive to enable streaming to another machine via a third party app. The process was taking a long time, so I left the computer alone and came back some time later. On return, the computer had gone to sleep, and when reexamining the drive, I saw that the filesystem appeared empty, whereas before there were 2.3TB of data. On viewing the Properties menu of the disk, it said that there were 5GB of data.



Is it possible that the original data is still present, just hidden somehow? If so, how could I recover it?



I'm relatively new to ubuntu and would appreciate any help, as many of the photos on that hard drive are irreplaceable.



EDIT: I'm pretty sure I used chmod to alter the permissions.







permissions data-recovery external-hdd






share|improve this question









New contributor




xian16 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.











share|improve this question









New contributor




xian16 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.









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edited 4 hours ago





















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asked 4 hours ago









xian16

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New contributor




xian16 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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New contributor





xian16 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.






xian16 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.








  • 1




    Possible duplicate of How to recover deleted files? ps: if you used commands, you can see the command you used with history
    – guiverc
    3 hours ago








  • 2




    after more searching, it seems that it's the same issue as askubuntu.com/questions/187489/…. Also, if it is a problem of permissions, would methods related to recovering deleted files still work?
    – xian16
    3 hours ago










  • and thanks for the history tip. Using that, the command I used was chmod -R a+rX /directory
    – xian16
    3 hours ago
















  • 1




    Possible duplicate of How to recover deleted files? ps: if you used commands, you can see the command you used with history
    – guiverc
    3 hours ago








  • 2




    after more searching, it seems that it's the same issue as askubuntu.com/questions/187489/…. Also, if it is a problem of permissions, would methods related to recovering deleted files still work?
    – xian16
    3 hours ago










  • and thanks for the history tip. Using that, the command I used was chmod -R a+rX /directory
    – xian16
    3 hours ago










1




1




Possible duplicate of How to recover deleted files? ps: if you used commands, you can see the command you used with history
– guiverc
3 hours ago






Possible duplicate of How to recover deleted files? ps: if you used commands, you can see the command you used with history
– guiverc
3 hours ago






2




2




after more searching, it seems that it's the same issue as askubuntu.com/questions/187489/…. Also, if it is a problem of permissions, would methods related to recovering deleted files still work?
– xian16
3 hours ago




after more searching, it seems that it's the same issue as askubuntu.com/questions/187489/…. Also, if it is a problem of permissions, would methods related to recovering deleted files still work?
– xian16
3 hours ago












and thanks for the history tip. Using that, the command I used was chmod -R a+rX /directory
– xian16
3 hours ago






and thanks for the history tip. Using that, the command I used was chmod -R a+rX /directory
– xian16
3 hours ago

















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