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Why did the user quota limit changed unexpectedly?

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ontap-9
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Applies to

  • ONTAP 9.12.1+
  • Unlimited user quota

Answer

  • When using quota command from the client, the limit changed from 16TB  to 64TB
  • ONTAP 9.12.1+ now supports the rquota v2 protocol
  • With rquota v1, the limit would always show 16TB
  • Rquota v2 will now increment in the power of 2 whenever the user goes over the limit reported on the client.
Ex:
 
Client:/mnt/nfstest$ quota -fs /mnt/nfstest
Disk quotas for user Client (uid 1000):
     Filesystem   space   quota   limit   grace   files   quota   limit   grace
10.63.99.35:/nfstest
                  3674G  16384G  16384G            3747   4295m   4295m


Above 16TB moves to 32:

Client:/mnt/nfstest$ quota -fs /mnt/nfstest/
Disk quotas for user Client (uid 1000):
     Filesystem   space   quota   limit   grace   files   quota   limit   grace
10.63.99.35:/nfstest
                 17021G  32768G  32768G            3763   4295m   4295m


Above 32 goes to 64TB:

Client:/mnt/nfstest$ quota -fs /mnt/nfstest/
Disk quotas for user Client (uid 1000):
     Filesystem   space   quota   limit   grace   files   quota   limit   grace
10.63.99.35:/nfstest
                 33076G  65536G  65536G            3779   4295m   4295m

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