ONTAP file and directory structure Resolution Guide

Follow this guide to help you locate the solution to your question or issue.

Concepts	What is directory size? What is maxdirsize? Which directory does maxdirsize refer to? Directory structure methodologies What happens when the directory size reaches the set maxdirsize value? How do I handle a maxdirsize event?
FAQ	FAQ - ONTAP maximum directory size (maxdirsize)
EMS event	Max Directory size error - AutoSupport message
Issue	"File too large" error messages when maxdirsize limit is reached Copying, pasting, renaming files failing due to 0xC00002EA STATUS_CANNOT_MAKE Creation of new files on CIFS share fails with Error 0x8000FFFF: Catastrophic failure Modification of max-dir-size fails with error Illegal max-dir-size Rsync files from FlexVol dir to FlexGroup dir, FlexGroup generate maxdirsize error XCP copy fails and throws an nfs3 error 27: file too large During XCP migration file\folder copy failing for specific directory Komprise directoy reported wafl.dir.size.max: volume reached the maxdirsize limit The /etc/crash/ directory reaches the maxdirsize limit

Concepts	What is an inode? What is the ONTAP inode cache? How to determine the default and maximum inode count for my volume? What happens when your volume runs out of inodes? Considerations before increasing the file count in ONTAP
FAQ	FAQ - ONTAP maximum number of inodes (maxfiles)
EMS event	What happens when your volume runs out of inodes?
Issue	Unable to set volume attribute "files" for volume: Current value is at the maximum allowable limit command failed: Unable to set volume attribute "files" for volume in ONTAP Inodes or maxfiles not increasing after using "fix" button in AIQM Maximum allowable inodes slightly lower than the specified value Inode number keeps at 21251126, which doesn't increase to desired value after volume size expansion NetApp XCP reports Error "nfs3 error 27: file too large" NDMP subtree backup of a qtree transfers significantly more data than qtree contains

TR-4571 Technical guide for Flexgroups and High file count environments