Disaster Tolerance and Recovery in a Serviceguard Cluster

Understanding Types of Disaster Tolerant Clusters

Table 1-1

Comparison of Disaster Tolerant Cluster Solutions (Continued)

 

 

 

 

Attributes

Extended Distance

CLX

Continentalclusters

Cluster

(HP-UX only)

 

 

 

 

 

 

DTS

SGLX + XDC

SGLX +

SG +

Software/

 

CLX XP or CLX EVA

Continentalclusters +

Licenses

 

 

 

 

Required

 

 

(Metrocluster

 

 

 

Continuous Access XP

 

 

 

or

 

 

 

Metrocluster

 

 

 

Continuous Access

 

 

 

EVA

 

 

 

or

 

 

 

Metrocluster EMC

 

 

 

SRDF

 

 

 

or

 

 

 

Enterprise Cluster

 

 

 

Master Toolkit)

 

 

 

or

 

 

 

Customer-selected

 

 

 

data replication

 

 

 

subsystem

 

 

 

CC with RAC: SG +

 

 

 

SGeRAC +

 

 

 

Continentalclusters

 

 

 

 

36

Chapter 1

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