[Linux-cluster] architecture discussion -- NFS clustering with iSCSI

[gordan at bobich.net]

>>> Also, two more questions:
>>> 1) What about putting this NFS cluster in VMware?
>>> 2) I am assuming this would have to be an active-standby model since
>>> only 1 host can "own" the disk in read/write, correct?
>>
>> No, the whole point of GFS is that you can have multiple nodes mounting
>> and using the same volume r/w at the same time.
>>
>
> OK, that makes sense.  My other question is what other filesystems
> does Red Hat support that can be used in this fashion?  PVFS, OCFS,
> etc. ?

By and large, none. GFS is fairly unique in the way it does things. The 
rest of the world hasn't really caught up yet. ;-)

I'm not sure why OCFS keeps coming up, since it's not a normal, general 
purpose file system. It's only useful for putting Oracle DB volumes on it.

Gordan