I ran in to this issue today, I have ssl enabled for clients and servers. In my case I had not set the secure-access option on the client (making it use the glusterfs.ca file in /etc/ssl/)
To solve do this:
Read the online manual for the specific section on mounting cifs file systems and you'll find an option to store the credentials in a external file so you won't have to add them to the world readable /etc/fstab and can keep those private: man mount.cifs
specifies a file /path/filename that contains a username and/or password ...
Not sure what you are trying to do is possible, from the manpage:
The bind mount call attaches only (part of) a single filesystem, not possible submounts. The entire file hierarchy including submounts is attached a second place by using:
mount --rbind olddir newdir
If you're having this problem with a Synology NAS, then check that the vers= option specified to mount and the min/max SMB versions on the NAS are compatible.
Specifically, I'm using vers=2.0, but my Synology Diskstation was triggering the Host is down error. I found a page, Windows 10 access to NAS share. SMB 1.0 and 3.0, on the Synology website that ...