Writes fail when Logical Space used hit volume physical max size
Applies to
ONTAP 9
Issue
- The error message:
Mon Sep 27 15:50:40 +0200 [exonet-netapp-c3-01: wafl_spcd_main:monitor.vol.nearFull.inc.sav:alert]: Volume vol1@vserver:vserver1 (UUID 856709fa-6a1b-11eb-9afb-d039ea140bb7) is nearly full (reserved or using 97%% of space including savings and 0%% of inodes
is being returned. - The values for the used volume in Linux and Netapp are different: this difference is equal to the value for total-savings from Storage Efficiency.
Example:
The used volume in Linux is 9TB:
Filesystem Size Used Avail Use% Mounted on
10.10.10.10:/vol1 12T 9T 3T 75% /vol1
Whereas the physical space value is 6TB:
Vserver Volume Aggregate State Type Size Available Used%
--------- ------------ ------------ ---------- ---- ---------- ---------- -----
vserver1 vol1 aggr1 online RW 12TB 6TB 50%
The volume saved through storage efficiency features is equal to 3TB:
Filesystem Used Total-saved %total-saved deduplicate %deduplicated compressed %compressed
/vol/vol1/
5693065812 3221225472 35% 3221225472 35% 0 0%