Readynas Data Volume Full - Stuck booting at 99%

Question

Hello,
My data volume /data is full and my Readynas 516 is stuck booting at 99% (Status: System starting up).&nbsp; Is there a way to get past this so I can free up some space?&nbsp; I've looked at previous posts and can't seem to find a solution to get to a point where the volume can be mounted.&nbsp; Thanks very much in advance for any assistance you can provide.&nbsp; :-)

StephenB · Answer

Is df showing that the volume is full, or is it btrfs fi df?
&nbsp;
Do you have a full backup?&nbsp; If not, this would be a good time to make one. You can mount a USB drive manually.
&nbsp;
Then maybe try&nbsp;
btrfs balance start -v -dusage=0 /data
This will reallocate any unused blocks to free space - which could free up a bit of free space.
&nbsp;
&nbsp;

StephenB · Answer

One option is to use paid support (my.netgear.com).&nbsp; You'd boot the NAS in tech support mode, and they can fix it remotely.&nbsp; Note that If you purchased between 1 June 2014 and 31 May 2016, then you have lifetime chat support.&nbsp;&nbsp;
&nbsp;
Do you know the status of the OS partition? If so, is it full also?

Yeager44 · Answer

Hello,
&nbsp;
Thanks a bunch for your quick response.&nbsp; I can SSH into the NAS no problem, just can get to the web console.&nbsp; I purchased my NAS in April of 2014.&nbsp; I would definitely be willing to pay for support if thats the only option?&nbsp; Thanks again for your help.

Yeager44 · Answer

Sorry meant to say I can't get to the web console.&nbsp; I can SSH into the box though.&nbsp;

StephenB · Answer

So you can see your files in /data from ssh?&nbsp; If so, you can delete some from there.&nbsp; You can also list and delete snapshots.&nbsp; btrfs subvolume list /data will give you the list of subvolumes (shares) and snapshots.&nbsp; You can then delete a snapshot using&nbsp;&nbsp;btrfs subvolume delete &lt;path&gt;
&nbsp;
After you clean up the space, you might also need to finish with a btrfs balance (also from ssh).
&nbsp;
Cleaning up the space might not solve your booting issue though.
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Readynas Data Volume Full - Stuck booting at 99%

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