Have a look at the Red Paper on High Availability for zVM and Linux:

http://publib-b.boulder.ibm.com/Redbooks.nsf/9445fa5b416f6e32852569ae006bb65f/76a57335bb29155385256bd4006dcf48?OpenDocument

(or go to the IBM Redbook site and search for 'high availability')

On Friday 17 October 2003 08:24, you wrote:
> I have just been asked by a group of developers and business owners
> if we move their application to the Mainframe (zLinux), can we
> provide a HA environment?  This would be application HA such as
> available with Veritas Cluster on x86 Linux systems or Solaris and
> Veritas etc. . .
>
> So clearly my question to the group is does such software (solutions)
> exist for the Z/VM Linux platform?  Is anyone doing this today?  And
> if not how can we make this happen?  Regardless of how reliable the
> zSeries Platform is and how reliable Z/VM is we still can not
> guarantee application, DB, network, HD availability.  That is
> generally where a solution such as Veritas Cluster or Sun Cluster
> comes in.
>
> Thanks!
> Eric Sammons
> (804)697-3925
> FRIT - Infrastructure Engineering

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