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Cannot move files on share / cannot activate HTTP on RN102
Hardware: RN102, firmware 6.2.5 PC: Win7 X64 Ok, so as of late, I'm having trouble moving files within the same share (drag 'n drop in Win7 X64), which was never a problem before. When I try to ...
of course it's
# df -h /data
I figured that out, eventally ;) but thanks!
I kinda just followed this thread: https://community.netgear.com/t5/Using-your-ReadyNAS/No-available-diskspace-but-admin-page-reports-1-tb-free/td-p/942637
after correcting some typos, it worked. After running the balance, I now have double the amount of totally allotted metadata space, yay! :)
EskenderNG: hah, goog thing I didn't go through with it, then ;)
EskenderNG, StephenB, vandermerwe: Thank you guys so much for responding to my questions; I wouldn't have otherwise been able to solve it! :)
Hello,
the problem seems to be the following. Although the ReadyNAS / Windows report 400 GB of free space this space is not free in the ordinary sense. This is a particular of the filesystem Btrfs. Space previously allocated to meta data (see Metadata, DUP) can only used for meta data again once it is freed. The same is true for space allocated for data (Data, single).
The first command you entered shows that there is no more free space on the ReadyNAS that has never been used before. All remaining free space has previously been used for meta data / data and can only be used for the same again.
Of this space the majority has been used for data and only very little remains for meta data.
You will need to run a balance to allow some of the space reserved for data to be used for meta data. (Admin Page > Settings > Volume Schedule > Add > Balance)
Bye,
Eskender
I see, so the data I freed from the snapshots would then only be available again for snapshots or other meta-data related things?
And by running a "balance", I can re-allocate that freed up space from meta-data to regular data?
Just checking if I understand correctly.
Thanks,
Laszlo
Almost. Metadata has nothing to do with snapshots. Snapshots are basically just pointers pointing to data blocks. If deleting snapshots gives you an increased amount of free space then the files the snapshots were made of were already deleted before. If any of the two still exists, the file or the snapshot of a file, the space will not be freed upon deletion of the other. So, by deleting the snapshots you have finally released the space formerly occupied by the data (that is space for metadata and space for data).
As mentioned before this free space is only returned in a "used" state. So, since I am guessing that you were running out of meta data space before you gained some new meta data space from the data the snapshots was pointing to.
What you want to do now is the opposite of what you mentioned. You actually want to free up data allocated space so it can be used for metadata by running a balance.
Bye,
Eskender
Ok, thanks for the clarification. So in this particular case, deleting the snapshots is a bit like emptying the trash bin in windows.
But then do you think the lack of meta data space was the reason for not being able to move or add files on the shares, despite there being at least 300GB of free space?
Forgive my ignorance (I'm still quite a n00b) but what exactly is meta data for, then?
Thanks,
Laszlo
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