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Troubles ReadyNAS 102 to show correct diskspace
Helly everybody, I've been experiencing some troubles with my ReadyNAS102 lately. I've been moving some data to the NAS and deleted some other data on the NAS to free up some space. However, when...
First, it almost certainly is showing you the correct disk space - since the snapshots do use space.
Also, there is no need for ReadyCloud - you can directly log into the NAS web ui by browsing to https://nas-ip-address/admin or https://nas-name/admin (using the real IP address or name of your NAS).
You can then delete them by going into the shares page. Click on the Snapshots control in the upper right of that page, then select a share. You'll see a list of the snapshots for the share. That screen will say "recover files", but ignore that bit.
You can select more than one, and then right-click - you'll see "delete" there. Be careful not to select "rollback" at the bottom of the page.
To free up space, you'll generally get the best results by deleting the oldest snapshots (or just delete them all). The space is freed in the background, so it can take a while. If you see no space savings, you can follow this up by running a balance. Go to the volume page, and click on the volume settings wheel. You'll see balance as an option there.
Overall, I suggest switching from "smart" snapshots to "custom" snapshots. The reason is that you can explicitly set retention in the "custom" snapshots. That gives you a good automatic way to keep the snapshot disk usage reasonable.
Hello Steven,
First of all, many thanks for your extensive reply. Using the web UI is a great tip and also setting custom snapshots is very useful.
I have been moving data around the past couple of weeks, adding data to the NAS and also removing data. I used TotalCMD for this operation and that is showing 172kb free of 2.72TB (2x 3TB in RAID1). Even when I delete files, it still shows 172kb free, in TotalCMD but also in the web UI.
I found the pages with the snapshots and I now know how to remove them. Just to make sure: removing snapshots does not delete data, right?
What I find very interesting is the balancing option you mentioned. That might be just the thing I am looking for actually. I went to the explanation for that option on the Netgear website and it looks like that might be the solution. So I've just started that process and I'm hoping for the NAS to display the correct diskspace again. I will report back once that process has finished.
Again, thanks for your help, much appreciated.
crz357 wrote:
Just to make sure: removing snapshots does not delete data, right?
Correct, removing them won't change anything in the main share(s).
Thanks Stephen. After balancing the volumes it now shows that I have 7.96GB of free space, so that did the trick.
Much appreciated!
crz357 wrote:
After balancing the volumes it now shows that I have 7.96GB of free space, so that did the trick.
That is good to hear, but IMO not enough free space for most volumes. Personally I maintain at least 15% free space on my btrfs volumes.
I am trying to clean up now, but when I delete stuff, the diskspace is still not being updated. Balancing the volume again doesn't restore that.
Any ideas perhaps?
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