[Pacemaker] How to set resource order to satisfy this situation

[Mia Lueng]

colocation ftp_www_balance -inf: apache vsftp
order apache_mount inf: nfs_client_clone apache
order nfs_cs_order 0: nfs_server nfs_client_clone
order vsftp_mount inf: nfs_client_clone vsftp


nfsserver---->nfsclient----->www
        \
          \------->nfsclient----->ftp

I want when nfsserver migrate from hostA to hostB, nfsclient/www/ftp do not
stop/start.

But  When I migrate nfsserver , nfsclient do not migrate, but www/ftp do
migrate with nfsserver.

How should I set the resource order to avoid www/ftp migrate with
nfsserver?
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