iSCSI + GFS for web servers

[Mark Haney]

Yes, I know there are many ways to deal with this situation.  I've managed
Petabyte SANs before for NOAA.  This isn't a situation that requires a PB
level solution.  We're looking at a TB tops within the next 24 months based
on current baseline data.  With that said, I'm not really looking for a
storage *cluster* as much as I am storage being accessed by multiple
servers that just happen to both be web servers.  I considered using
FreeNAS, but it's almost verboten to use virtually.  I was going to use
OpenFiler, but there are many posts concerning it's future development and
it's very slow release cycle.

So, it made sense to me to just build a Ubuntu VM with LIO and GFS2 on it,
so that both web servers can access user created content from a central
location.  Google has been somewhat helpful, but only significantly for RH
based VMs.  While I can certainly throw in a RH server for this, I'd prefer
to keep things simple and keep things All-Ubuntu if possible.  That's why I
asked this list.

Is it not possible to use iSCSI for multiple servers to access a GFS volume
on that server and have Server A see new files uploaded by Server B without
the need to the web front ends to build a 'cluster' for the storage?  I
never had to do that with GFS1 that I can recall.

I thought this might be a simple question to ask, but either I asked it
very wrongly, or no one has set up a design like this before using Ubuntu.


On Mon, Feb 1, 2016 at 6:58 PM, Steven Jones <Steven.Jones at vuw.ac.nz> wrote:

> Hi,
>
>
> I can see what you are about and its similar to what I assumed, I still
> have reservations on using iSCSI.    There are several ways to skin a cat.
> MANAGING UNSTRUCTURED DATA AT PETABYTE-SCALE
> <http://www.storageconsortium.de/content/sites/default/files/downloads_registrated/RedHat_2013-11-14-RHS-SC-D%C3%BCsseldorf.pdf>
> www.storageconsortium.de
> MANAGING UNSTRUCTURED DATA AT PETABYTE-SCALE Joachim Schröder Manager
> Solution Architects, DACH Email: joachim.schroeder at redhat.com November,
> 14th 2013
>
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