ONTAP Hardware

Set the snapshot capacity to 0 GB, but why does the snap reserve used have capacity?

rick2004

Hi, All

 

I am studying about FAS. I apologize for the frequent questions.

While checking the volume of the FAS equipment installed in the customer, I checked the following information through the df command.

df 정보.png
As you can see in the photo above, you can see 3427GB in the snap reserve used space at / vol / vol1.
 
 
However, when I checked the snapshot through the snap list -l command, I could see the message that it does not exist.
snap no exist.png
 
 
 
 
When I check the volume with the vol status -S command, it is as follows.
snapspill.png
 
Here are my questions.
 
1. Why does the snap reserve space total 0GB, but does 3427GB come out as used?
2. Why is it that there is a used capacity, but there is no snapshot?
3. If i don't need it, how to clear that snap reserve?
 
 

Please answer..
If you need additional information, please reply. I'll upload it.

 

Thank you.

(Since i used a translator, the sentence may not be smooth.
Please tell me any sentences you don't understand.)

2 REPLIES 2

Sergey_Osipov

1. why do you use option -l with snap list command?

https://library.netapp.com/ecmdocs/ECMP1114237/html/man1/na_snap.1.html

snap list -l [ vol_name ]
For each of the snapshots of a volume, this command displays the date the snapshot was taken along with the SnapLock retention date for the snapshot. 

 

I assume you don't have any snaplock here

 

2. Here are few links for you about the snap reserve

https://kb.netapp.com/app/answers/answer_view/a_id/1004547

https://library.netapp.com/ecmdocs/ECMP1635994/html/GUID-901983DC-6BF0-4C84-8B55-257403340C8B.html

https://docs.netapp.com/ontap-9/topic/com.netapp.doc.pow-dap/GUID-E78295CA-FA05-4BF4-9BDB-93620813EDEC.html?resultof=%22%73%6e%61%70%73%68%6f%74%22%20...

 

Try a snap list -n.

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