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Large file write to FlexGroup fails even if there are sufficient space and elastic sizing is enabled

  1. Last updated
    Jun 9, 2025
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6
Visibility:
Public
Votes:
0
Category:
ontap-9
Specialty:
CORE
Last Updated:
6/9/2025, 11:54:09 AM

Applies to

  • ONTAP 9
  • Elastic Sizing is enabled
  • FlexGroup
  • One of aggregates is 100% used

Issue

  • Writing 1TB data to FlexGroup where 2TB available  space.
  • Each constituents have 150GB available space.  
  • The following error is recorded in /mroot/etc/log/ems file

wafl.vol.full: Insufficient space on aggregate <aggr> to perform operation. 4.00KB was requested but only 1.00KB was available.
fg.space.member.full: Constituent 1451 in FlexGroup <FlexGroup> (fg-uuid UUID) is out of space.

 

 

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