Greetings,
I made some search on Google regarding this matter and found many
diverse information, some dated back to 2004, and would like to update
and clarify this issue. The question is: "what's the problem on
re-sharing a NFS filesystem with Samba?".
The only way I found to share a NFS mount point on Samba without
apparent problem is to disable file locking on NFS mount by using the
"nolock" option on fstab. It seems to work fine, but some say it is a
receipt to disaster, while others says it is good to go.
As I understand, if a shared NFS filesystem is mounted on two different
servers with nolock option, I will probably run in troubles with
concurrent file access.
FreeNAS --NFS-nolock-->Client1
--NFS-nolock-->Client2
Similarly, if a shared NFS filesystem, mounted on a second server, is
shared by this second server via Samba, I may come accross the same
problem due to simultaneous file access without lock, one by the NFS
server and other by Samba server.
FreeNAS --NFS-nolock--> Server --smbd--> Client
If such filesystem is used for write operations only by Samba and no one
else, neither the NFS server or other processes on Samba server, would
the nolock option on NFS or the re-sharing by Samba be an issue? What
are the expected problems one could find in such setup and what cares
should be taken to use this and still have a good night sleep? Is there
an alternative/preferred setup?
Would love to hear your considerations and technical expertise. For
reference, here is the respective question I made on FreeNAS forums:
http://forums.freenas.org/showthread.php?13037-FreeNAS-NFS-share-mounted-on-Ubuntu-samba-server&p=61416#post61416
Best regards.
--
Marcio Merlone
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