cluster FS?

[Anton Shterenlikht]

>From wojtek at puchar.net Tue Sep 30 12:14:35 2014
>
>as disk array presents block devices, not files it is not possible to have 
>filesystem read write access with more than one computer to the same block 
>device.
>There is no AFAIK filesystems that can communicate between nodes to 
>synchronize state after writes and prevent conflict.

The hardware is inherited from a VMS cluster,
which did precisely that. I don't remember now
what FS VMS used. I guess I'm trying
to replicate a VMS cluster with FreeBSD means.

>> I want to have all nodes equal, i.e. no master/slave
>> or server/client model. Also, the disk array
>> provides adequate RAID already, so that is not
>
>instead of using disk arrays (expensive) it's better to run FreeBSD as 

well.. I have a populated array already,
so no extra costs are involved.

>file server with good deal of disks and connectivity and export 
>filesystems using eg. NFS.

but again, what if the NFS server dies?
The data is no longer available.

Thanks

Anton