The problem is that:
Firstly,I have written a go-fuse filesystem program by myself,and I mounted on my NFS server on mountpint /example/a, and it has a file named 1.txt in it. Then I exported it via NFSv4.The /etc/exports file looks like something below(using nfsv4):
/example *(ro,sync,fsid=0,crossmnt,no_subtree_check)
/example/a *(ro,sync,nohide,no_subtree_check)
Secondly,I had an esxi host and wanted to create nfsv4 datastore,the name is "nfsv4", and its shared directory is /(which means /example in my NFS server)
Lastly,I found nothing in my datastore directory,i.e /vmfs/volumes/nfsv4/a(no 1.txt!)
So, I don't know whether the problem is my go-fuse program or configuration of nfs server/client? Maybe I don't interpret it clearly.If you need any information,please tell me! Thanks!
My go-fuse program and nfs server run in Linux debian 4.9.0-8-amd64. My esxi is 6.7.