Thanks everyone for the feedback

I think I will give GFS a try.

Michael, to answer your questions...
I am looking to run Oracle databases on this shared volume (maybe need 
to run oracle RAC for this?).
Ideally I would want to run 25 small (10 to 15 Gig) databases on the 
shared volume.
Each of the machines has 2 redundant fibre connections to a fiberswitch 
which then has 2 redundant connections to the SAN.
You are correct, the fibre devices I am using  are limited to 2GB.

 I'll let you know how it turns out.

 Thanks

 Dany Allard

Michael Gale wrote:

> Hello,
>
> Look into GFS (Global File System) if is available I believe for any 
> distrobut RH offers support if you purchase theirs.
>
> Will you will need to consider is how the data will be used, GFS and 
> NFS  do not provide file locking. So it will be up to the application 
> to provide file locking !!!
>
> Also what will you be doing with the data ?? For example if you are 
> creating multiple FTP servers so thousands of connections can read and 
> download data only, no writes then you could use:
>
> 2+ GFS servers to provide NFS exports to X number of FTP servers so 
> thousands of clients can connect. How ever NFS scales poorly with with 
> lots of writes.
>
> Also remember that fiber is limited to 2GB through put I believe, so 
> if the data was accessed via ethernet GB or even better 10GB would be 
> ideal.
>
> If you want all machines directly connected via a fiber switch then 
> GFS would be the best bet depending on the application and how it 
> protects your data.
>
> For example Courier IMAP has some type of NFS file locking feature, 
> not sure how it works or how well. But if you wanted to run 5 IMAP 
> serves all connected via fiber switch and run a IMAP farm then Courier 
> with the NFS lock may be a start.
>
> If you provide more information about what you want to do, we might be 
> able to help more.
>
> Michael
>
>
> Nick W wrote:
>
>> On Wednesday 18 May 2005 16:19, Juan Alberto Cirez wrote:
>>
>>> What about Samba....It works just as well when dealling with a
>>> linux-only environment
>>
>>
>>
>> NFS is probably easier, and is part of the Kernel.
>>
>> run:
>> man exports
>>
>>
>>> Travis Rousseau wrote:
>>>
>>>> On 5/18/05, Dany Allard <[EMAIL PROTECTED]> wrote:
>>>>
>>>>> Hello everyone
>>>>>
>>>>> Is it possible to have a shared volume between multiple Linux 
>>>>> machines?
>>>>
>>>>
>>>> Have you tried NFS?
>>>>
>>>> Travis R.
>>>>
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