[nflug] NFS noac option

[Justin Bennett]

Maybe a meeting topic can be File sharing options as a whole.

Personally I can't see using samba to share between two unix type 
machines, I'm sure most people will agree on that, and I don't think NFS 
to pc's is a viable option, thought you can get NFS clients, but between 
two unix machines it's easy and supported by alot of linux distro's as 
well as unixes out of the box. Other than NFS and Samba I know there are 
some other protocols out there (AFS, iscsi, ect) but I have no 
experience with these, and wouldn't mind hearing some info on other 
stuff for my own info. For buisiness stuff though I need something 
that's production quality and time tested. NFS has been around since the 
80's and still going. As I've said I don't want to get into is a 
situation where I need to manage every software package on every system 
I have, I don't want to have to be checking for updates for my network 
sharing software, and need to compile or install it on multiple machines 
without knowing it will be compatable with my GLIBC, Kernel, ect. That's 
why I prefer to use distribution supplied software for things such as 
NFS, and samba, and let their update service update it for me. Our big 
exceptions are Courier-Imap (the UW supplied server is ok, but mbox mail 
can be really slow with large folders), and I need to compile my own PHP 
for our specific needs.

My user data all resides on one box, a network attached storage box of 
sorts. My samba / email server actually mounts the user's homes (which 
include their maildir) from the NFS box, as well as all shares the the 
samba server actally shares.  I use Courier Imap (with Maildir) and it's 
really quite fast over NFS. The README actaully states it works very 
well with NFS.

My problem was Courier Imap has it's own services that start out of 
/usr/lib/courier I started them out of /etc/rc.d/rc.local on boot and 
not from sysinit, so when shutting down courier wasn't stopped before it 
tried to shutdown NFS and since courier was locking files it would just 
hang on shutting down NFS. I've since fixed that by shutting down 
courier first.

Justin



Justin Bennett
Network Administrator
Dynabrade Inc.
Clarence, NY
716-631-0100



Cyber Source wrote:
> I happen to LOVE NFS and can give many reasons why. I can honestly say 
> that once setup (very easy), they just plain work. I don't see the 
> need to mount mail directories though instead of just letting the 
> email client do it, maybe I'm missing something, haven't really 
> followed the thread that closely. However, I use NFS mounts for 
> backups from machines to my backup server and they work beautifully. 
> In fact, given a choice between samba and NFS, I would choose NFS 
> hands down. I also use NFS on Linux workstations that share data 
> between servers that share the same data with windows via samba and it 
> works beautifully. I initially was having a permission problem between 
> samba (windows clients) and NFS (Linux clients) but found a very easy 
> simple way to make them play happy together, and they do.
> I also use NFS to mount stuff between MythTV boxes and they work like 
> your sitting at the same box. We use it here in my shop to mount all 
> our music files and then play them on whatever box we are on, never a 
> problem.
> This could be a good topic for the next meeting (nflug or bplug) and 
> you can show the stuff you were having trouble with, we might find a 
> solution. Anyway, there's my .02.
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