If your storage environment already contains existing NFSv3 directories with large numbers of subdirectories and files, the automatic on-first-access conversion can have a performance impact on the st...If your storage environment already contains existing NFSv3 directories with large numbers of subdirectories and files, the automatic on-first-access conversion can have a performance impact on the storage system. This conversion is resource-intensive and might result in the system becoming temporarily unresponsive, including a loss of service. Anticipating the use of large directories by CIFS/NFSv4 clients is the key to avoiding processing delays, which this issue can trigger.