# Before (too restrictive) /export *(rw,sync,no_subtree_check) /export *(rw,sync,fsid=0,crossmnt,no_subtree_check,sec=sys)
The fix? VMware ESXi’s NFS client defaults to NFSv4.1. The NetApp filer was still on NFSv4.0. Error 45 appeared due to unsupported RECLAIM_COMPLETE operation. nfs vlted 45 work
cat /proc/fs/nfsd/versions # Output example: -2 +3 +4 +4.1 +4.2 # If +4.2 is missing, upgrade your kernel and nfs-utils. If you’re stuck on an older kernel, backported NFS fixes exist. For RHEL/CentOS 7: # Before (too restrictive) /export *(rw