[Info-vax] Microsoft Clusters

[Kerry Main]

> -----Original Message-----
> From: Info-vax [mailto:info-vax-bounces at info-vax.com] On Behalf Of
> MG via Info-vax
> Sent: 07-Jun-16 6:45 PM
> To: info-vax at info-vax.com
> Cc: MG <marcogbNO at SPAMxs4all.nl>
> Subject: Re: [New Info-vax] Microsoft Clusters
> 
> Op 6-jun-2016 om 14:25 schreef Simon Clubley:
> > It was recently pointed out that Microsoft has done some recent work
> > on clustering. It would be nice if you could trust the product's updates
> > to not suddenly break the product however:
> 
> Is this some of that VMScluster technology that they licensed or
> otherwise acquired, somehow, back in the 'Palmer DEC' days...?
> (I remember having read something about it once.)
> 
>   - MG

No, MS clustering today is simply a few enhancements of their primary-
backup failover clustering that they have always had since clustering was 
introduced back in Windows NT4 timeframe.

MS bought the Windows NT Cluster product from Digital and promptly
shelved it. Digital did not want it anymore because almost every time a new
MS SP was released, it broke the DEC NT Clustering product. Of course, one
never really knew it was broken until it was needed and it failed to fail over.

Today MS simply have a more nodes for the primary to fail-over to, some
new things like CSV file shares (cluster shared volume) and what I would 
call a first stab at a cluster queue manager (they call a task manager).

Other features, reference:
https://technet.microsoft.com/en-ca/library/dn765474.aspx 

Regards,

Kerry Main
Kerry dot main at starkgaming dot com