[EdLUG] ARM Servers & Storage

[Edinburgh Linux Users Group]

Hi all;

Let's see if I can explain this clearly.

I have one Odroid XU4 (octa-core) and four Odroid C2 (quad-core) and four
2TB WD USB hard drives. All will be using Xubuntu 16.04
As it has more processor power, the XU4 will be the cluster master node,
and each C2 will have one hard drive attached.
Eventually I intend to add more hard drives and more processor nodes for
redundancy and processing power.

I'm looking for a way to pool all the hard drive space together, make it
available across the whole cluster, and to other ad-hoc clients not in the
cluster; maybe NFS, SMB, and a cloud solution.

I've been messing around with NFS, and successfully exported an NTFS disk
to my network.
I've also created a logcial volume from one of the disks and mounted it.
Now I'm replicating Xubuntu from the test node for each of the others.

How do I incorporate the physical volume on a C2 node into the volume group
on the XU4 master node?

TIA.
Keith
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