Data ONTAP 7-Mode is still out there, still being used in the enterprise, and still a valid topic for a blog post.
I needed to find out if 7-mode qtree tracking quotas also track consumption in the '-' qtree (root of the volume) and discovered the answer is 'no'. Still, things that don't work make as good a blog post as things that work (we need things that don't work to appreciate things that do work,) so here we go:
I set up my lab 7-mode system as so.
1) Check DNS is configured:
fas01> rdfile /etc/resolv.conf
2) Run CIFS Setup:
fas01> cifs setup
3) Create a couple of volumes:
fas01> vol create vol1 -l en -s none aggr1 10g
fas01> vol create vol2 -l en -s none aggr1 20g
4) Create a couple of qtrees on vol2:
fas01> qtree create /vol/vol2/aqtree
fas01> qtree create /vol/vol2/bqtree
5) Create 4 CIFS shares:
fas01> cifs shares -add vol1 /vol/vol1
fas01> cifs shares -add vol2 /vol/vol2
fas01> cifs shares -add aqtree /vol/vol2/aqtree
fas01> cifs shares -add bqtree /vol/vol2/bqtree
6) See the quotas file is empty:
fas01> rdfile /etc/quotas
7) Populate (see image below):
- /vol/vol1 with 3 * 45MBfile
- /vol/vol2/aqtree with 1 * 45MBfile
- /vol/vol2/bqtree with 2 * 45MBfile
8) Configure volume tracking quotas and enable:
fas01> wrfile -a /etc/quotas * tree@/vol/vol1 - - - - -
fas01> wrfile -a /etc/quotas * tree@/vol/vol2 - - - - -
fas01> quota on /vol/vol1
fas01> quota on /vol/vol2
fas01> quota status
9) Run quota report.
And when I run the quota report we don't have any knowledge of what's in the root of the volume.
fas01> quota report
K-Bytes
Type ID Volume Tree Used Quota Specifier
---- ---- ------- ------- --------- ---------------
tree * vol1 - 0 *
tree * vol2 - 0 *
tree 1 vol2 aqtree 45720 /vol/vol2/aqtree
tree 2 vol2 bqtree 91440 /vol/vol2/bqtree
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