Unwanted snapshots

Question

Hello&nbsp;I have ReadyOS 6.10.2.I move from old system.So I add 1 drive. Make jbodThen add second driveAnd copy old data from old drive to /data/&nbsp;After copy webgui show me all data as a snspshot. hmmm ?&nbsp;After I remove all snapshots from gui (all is empty), snapshot show by gui gone,&nbsp;space used by data ramain the same - snapshot 'become' normal data.&nbsp;But...&nbsp;If I add any share, and make any (empty data) snapshot, 'old snapshot usage' apears.&nbsp;With digit.&nbsp;3TB array1.7TB old dataAfter copy - 1.7TB as snapshotRemove all snapshot from GUI - snapshot 0TB, data 1.7TB - this is correct&nbsp;Add any share - 1.7TB dataAdd any snapshot to any share - 1.7TB SNAPSHOT :)I guess smoethre is snapshot in /data/ - I copy data there by ssh&nbsp;&nbsp;Best&nbsp;

slvnews · Answer

Created new share from gui "old_data_dir"

Move by ssh old data from /data/olddata to new share /data/old_data_dir/olddata

problem gone

So, GUI count all data copied by ssh to eg /data as snapshot ?

StephenB · Answer

slvnews&nbsp;wrote:
&nbsp;
So, GUI count all data copied by ssh to eg /data as snapshot ?
&nbsp;

It shouldn't.
&nbsp;
But NAS shares aren't ordinary folders - they are BTRFS subvolumes.&nbsp; You'll find you can't delete them with rm.&nbsp;&nbsp;
&nbsp;
So if you just copied data with cp directly to the data volume, then you did the wrong thing - the folders would have been ordinary folders - and the NAS software might not have accounted for the storage use correctly.

slvnews · Answer

StephenB&nbsp;wrote:slvnews&nbsp;wrote:&nbsp;So, GUI count all data copied by ssh to eg /data as snapshot ?&nbsp;It shouldn't.&nbsp;&lt;answer&gt;Yes, it shouldn't. I guess - guui should check snapshot some way.&nbsp;Or... quiestion to developers - meaby there is global shapshot on /data volume ? I don'tknow. I have to investigate btrfs. I'm still at ext4 usually...&lt;/answer&gt;&nbsp;&nbsp;But NAS shares aren't ordinary folders - they are BTRFS subvolumes.&nbsp; You'll find you can't delete them with rm.&nbsp;&nbsp;&nbsp;&lt;answer&gt;&nbsp;I know&nbsp;&lt;/answer&gt;&nbsp;So if you just copied data with cp directly to the data volume, then you did the wrong thing - the folders would have been ordinary folders - and the NAS software might not haveaccounted for the storage use correctly.&lt;answer&gt;No, I don't touch NAS directories/shares. Don't move, delete etcI created own directory eg mkdir /data/old_data_dir from command line&nbsp;Copy old data from external drive to this directory.After all data in GUI was show as snapshot - yellowBut not instantly. I have to create any share after copy data + make any snapshot on share. Then 'snapshot' in GUI appears - yellow bar. And size - equal do data copied.&nbsp;So i create from GUI New Share, lets call it 'myolddata' and move all data from manulaly created befora /data/old_data_dir to this new created from GUI share (volume) 'myolddata'.Snapshot gone, all is ok&nbsp;it's seems ReadyNAS take data in /data/ dir like.. Snapshots ?I don't know&nbsp;&nbsp;p.s.I don't now how quote... sorry for mess in message&nbsp;&nbsp;

StephenB · Answer

First of all, the data you copied wasn't in a btrfs snapshot.&nbsp; If the gui said that, then it wasn't reporting the space usage correctly.
&nbsp;
Secondly, the NAS application software is assuming that you won't use mkdir directly on the data volume.&nbsp; It expects to see only btrfs subvolumes in the root of the volume, and it expects that those subvolumes are created by the application software. Using mkdir within a share to create subfolders is ok, but it is not expected in the volume root.
&nbsp;
While this appears to be a bug, Netgear basically says you are on your own if you use ssh.&nbsp; You used it in a way that Netgear doesn't intend.&nbsp; Fixing the reporting properly would require adding third category of space usage - shares, snapshots, and other.&nbsp; I don't see them doing that.
&nbsp;

slvnews · Answer

StephenB&nbsp;wrote:First of all, the data you copied wasn't in a btrfs snapshot.&nbsp; If the gui said that, then it wasn't reporting the space usage correctly.&nbsp;&lt;answer&gt;And this is point. GUI show space not correctly.&nbsp;I was fixed this. No problem. But it could be bettter made :)&nbsp;&lt;/answer&gt;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;While this appears to be a bug, Netgear basically says you are on your own if you use ssh.&nbsp; You used it in a way that Netgear doesn't intend.&nbsp; Fixing the reporting properly would require adding third category of space usage - shares, snapshots, and other.&nbsp; I don't see them doing that.&nbsp;&lt;answer&gt;I have no problem with it :)I show it could be done better - and my role was finish :)If NetGear will fix it - okIf not - its ok too&nbsp;&lt;/answer&gt;&nbsp;All the best&nbsp;

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Unwanted snapshots

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