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Re: [Linux-cluster] GFS cluster components?



On Mon, 06 Sep 2004 16:29:05 +0530, Sankarshan Mukhopadhay
<sankar redhat com> wrote:
> Brian Jackson wrote:
> 
> [snipped]
> 
> > hardware. At this point, GFS's SAN roots are still there, so I'd
> > suggest a SAN if you really want reliable (although it is possible to
> > build a GFS setup without a SAN). You can also use a regular network
> > (although I'd suggest at least gigabit ethernet) and something like
> > GNBD, iSCSI, etc. to build it. You can also use a firewire drive
> > connected between 2 computers for the really cheap (although the
> > reliability is pretty much gone at this point).
> 
> Are these alternative setups certified or are they workable
> implementations ?

You're the one that works at redhat, you tell me. :)
Seriously though, I'm sure Red Hat probably only supports the SAN
setup, the iscsi setup should be workable (there are companies using
it in production environments), the firewire, as I said, is only good
for testing. But from what I understand all the linux-cluster code
isn't really supported (as in approved for use on RHEL) by Red Hat at
this point anyways.


> 
> 
> >One thing to note is
> > that currently the kernel's software raid layer isn't cluster
> > friendly, so you won't have a way to do data redundancy unless your
> > storage array/etc. is doing it.
> 
> Hey, thanks for this bit of information.
> 
> Regards
> Sankarshan


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