[Info-vax] Multi-site OpenVMS field upgrade options?

[abrsvc]

On Monday, April 15, 2019 at 8:16:47 AM UTC-4, Rod Regier wrote:
> Floor for SFF SAS drive controllers is RX2660.
> Very few of those in my installed installed base systems are running those.
> 
> Installed base unlikely to sustain pricing of whole sale upgrade
> of DS10L, DS15 and RX2600 units to RX2600 units or beyond.
> 
> RX2600 configuration will only economically support 3 drives.
> Since I run RAID mirroring for reliability, that means only one
> RAID set per system.  Makes it hard to have separate RAID mirror
> sets for "operating system" and "everything else".
> 
> The combined logical volume "ship" for everything to keep hardware costs low
> has already "sailed" for my organization.  I'm unlikely to revisit that concept at this late date in the application cycle.
> 
> My customers use the supplied systems on a turnkey basis.  Giving them an
> attempt at a canned procedure to offline copy all of the non-OS components over is unlikely to be a formula for a successful short upgrade outage.
> 
> I'm looking for more than just disks that will run for a few months.
> 
> The list for Nemonics alleged "new" drives is impressively long - over 100+ different models spanning over a 15 years of product evolution.
> Makes me skeptical they are "new" in the sense of an actual drive SMART data reporting under 5000 hrs of actually spin time.

I don't know which of the Nemonics drives you are seeing, but many are "emulations" using modern drives that look to the exterior like the drives that are being replaced.  In this fashion, the drives themselves are actually new drives.