[Info-vax] RAID 1 across cluster nodes?

[Stephen Hoffman]

On 2019-01-28 17:10:58 +0000, Richard B said:

> Thanks for the info Steve.  Actually, my dilemma is this.  Each of the 
> rx2800's has 8 drive bays which I plan on populating with hard drives 
> of various sizes.  So for all intents and purposes I will have 16 drive 
> bays across the cluster.  Currently, in our SAN environment the number 
> of "drives" being used totals 23.  So I have to do some trickery in 
> order to get this 23 drives down to 16.  No big deal.  Due to our 
> operating environment, we have some applications running on one node 
> only, other applications running on the other node only and then some 
> applications running on both.  Thus the dilemma on how to set up some 
> sort of data redundancy.  HBVS might be the way to go IF I can further 
> consolidate data to, in effect, 8 drives.  (8 drives in a shadow-set = 
> 16 total drives or all of the bays across the two rx2800 nodes.)

Buy a shelf.  Or buy another shelf.  Or swap for a denser shelf.  
Shelves are cheap.  Unless you're rack-space-constrained, that is.

-- 
Pure Personal Opinion | HoffmanLabs LLC