[Info-vax] VSI strategy for OpenVMS

Arne Vajhøj arne at vajhoej.dk
Mon Sep 13 14:58:11 EDT 2021


On 9/13/2021 2:37 PM, Dave Froble wrote:
> On 9/13/2021 10:46 AM, Jan-Erik Söderholm wrote:
>> What is written into the roadmap is:
>> "Shared Stream IO (SSIO) (Non-clustered)"
>>
>> That "non-clustred" phrase might be an issue for some...
> 
> Back in the day I did some work for a customer.  They had a cluster, all 
> at one site, of maybe 6 11/780 systems.  The reason for the cluster was 
> for additional compute capability.  Today, with multi-core CPUs, that 
> particular need is serviced without running a VMS cluster.
> 
> Yes, there are multiple reasons to run a VMS cluster.  But compute 
> resources for the most part is no longer one of those reasons.
> 
> I have no information to know what the breakdown is among VMS cluster 
> users.  But, I'll pull an Arne and state my factless opinion.  I'm 
> thinking that VMS clusters will not be an issue for many VMS users.

VMS clusters are probably pretty rare today.

But since the specific topic is about a feature not
supporting clustering used by an application that does not support
(this type of) clustering then it will not be a problem.

Arne






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