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Forum Discussion
Duo v2 + WD USB backup read only permission problem
I am having a problem with file permissions on my USB backup. The specific problem: I can and do run backup jobs through the ReadyNAS tool from the NAS shares to the USB shares fine. However, if I dis...
Hello,
I think two different issues are actually happening here.
When the USB drive is connected directly to the Mac:
This seems to be the mentioned problem of Mac OS X not being able to write to NTFS formatted volumes. To solve this issue you will need to reformat the drive using a different file system, erasing all data.
When the USB drive is connected to the ReadyNAS:
Now it does not matter anymore what file systems the Mac OS can write to because this is now handled by the ReadyNAS. The fact that write access is still denied to the backup shares seems to be a permissions problem now.
So another question. Who had originally write access to the data that was being backed up to the USB drive? Was this restricted to some users? If so, please try connecting to the ReadyNAS using this user’s credentials.
Currently, I cannot test this on a 5.x OS ReadyNAS device, but ticking the option that you mentioned in your first post regarding ownership could also solve the problem. As I understand the manual, access rights would then be set to all files according to the access rights of the USB share. But please beware because this is irreversible. So all files in the backup share will have identical access rights afterwards.
At last, maybe it is not the worst thing that your backup share is write protected. As long as the backup jobs are still able to write to the USB drive. If you need the USB drive also for something else and have backed up to the top level until now maybe a sub folder as backup destination can also solve the problem.
Bye,
Eskender
I think two different issues are actually happening here.
When the USB drive is connected directly to the Mac:
This seems to be the mentioned problem of Mac OS X not being able to write to NTFS formatted volumes. To solve this issue you will need to reformat the drive using a different file system, erasing all data.
When the USB drive is connected to the ReadyNAS:
Now it does not matter anymore what file systems the Mac OS can write to because this is now handled by the ReadyNAS. The fact that write access is still denied to the backup shares seems to be a permissions problem now.
So another question. Who had originally write access to the data that was being backed up to the USB drive? Was this restricted to some users? If so, please try connecting to the ReadyNAS using this user’s credentials.
Currently, I cannot test this on a 5.x OS ReadyNAS device, but ticking the option that you mentioned in your first post regarding ownership could also solve the problem. As I understand the manual, access rights would then be set to all files according to the access rights of the USB share. But please beware because this is irreversible. So all files in the backup share will have identical access rights afterwards.
At last, maybe it is not the worst thing that your backup share is write protected. As long as the backup jobs are still able to write to the USB drive. If you need the USB drive also for something else and have backed up to the top level until now maybe a sub folder as backup destination can also solve the problem.
Bye,
Eskender
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