Network Storage Protocols Discussions
I am fairly new to the management of our NetApp System.
One thing I found is that it looks like we are missing some space on one of our volumes.
In the OnCommand System Manager, when I select this specific Volume thestatistics show as this:
Total Space 1.7 TB
Available Space 72.99 GB
Thin Provisioned - Yes
Under Space Allocation -
Total Space = 1.58 TB
Snapshot Reserver = 121.8 GB
Data Space: 72.99 GB
Snapshot Reserver: 102.19 GB
Total 175.18 GB
Data Space: 871.2 GB
Snapshot Copies Space: 19.61 GB
Total : 890.81 GB
From this it looks like I am missing arouns 580 GB somewhere.
I have a 1.7TB Volume, 871.2 GB Used, 19.61 GB for Snapshot = Total 890.81 GB.
On the filer when I run the following command ( df -hr WindowsCIFS )
I get the following result :
Filesystem total used avail reserved Mounted on/vol/WindowsCIFS/ 1618GB 871GB 73GB 0KB /vol/WindowsCIFS//vol/WindowsCIFS/.snapshot 121GB 19GB 102GB 0KB /vol/WindowsCIFS/.snapshot
Any idea why my available space is only 73 GB? It seems it should be much much more.
Is this the only volume on the system, what does df -Ag show?
Seeing as you are using thin provisioning I am assuming that you are also using fractional reserve.
Take a look at these articles and see if they help explain where your space went.
Understanding how fractional reserve affects available space
How 100 percent fractional reserve affects available space
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