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AdvantageCluster Available Server System Model 2105/250

HIGHLIGHTS

o  Comes with two AlphaServer 2100 5/250 Rackmount Systems

o  Now supports wide SCSI drives

PRODUCT DESCRIPTION

The AdvantageCluster Available Server (ACAS) 2105/250 system comes with
two Digital UNIX based AlphaServer 2100 5/250 RM (rackmount) systems in
one cabinet, and is ready for user-selected storage options.

Each AlphaServer 2100 5/250 RM system comes in a single-processor
configuration with

o  2-GB, RZ28 internal system disk
o  128 or 512 MB of memory
o  Digital UNIX operating system
o  DECsafe Available Server software (two licenses and documentation)
o  NAS200 software package (includes Logical Storage Manager and POLYCENTER
   Advanced File System utilities)
o  Two KZPSA-BB Fast Wide Differential SCSI controllers
o  SCSI cabling (host-end terminations for connection to first storage
   option)

The ACAS 2105/250 will expand to up to four symmetric multiprocessing
(SMP) processors per node, and up to three shared SCSI buses with
KZPSA-BB controllers. Each shared SCSI bus can support up to five
3.5-inch narrow (8-bit) drives or up to five 3.5-inch wide (16-bit)
drives using DWZZA/DWZZB SCSI converters. To increase storage capacity,
users can choose the HSZ40 RAID array controller that provides

o  Six fast, narrow single-ended channels
o  Support for RAID levels 0, 1, 0+1, and 5
o  Up to 42 drives in non-redundant configurations
o  36 drives in redundant configurations

For basic system configuration, see the "AdvantageCluster Available
Server System Model 5004/275" article in the March 1995 issue of Customer
Update.

AVAILABILITY AND ORDERING

The AdvantageCluster Available Server System Model 2105/250 is available
now through Digital and its business partners.

Order No.      Description

               AdvantageCluster Available Server Model 2105/250 System:

DA-AA471-AA/AB AdvantageCluster Available Server 2105/250 with two
               uniprocessors, 128 MB memory, 120/240 V
DA-AA471-BA/BB AdvantageCluster Available Server 2105/250 with two
               uniprocessors, 512 MB memory, 120/240 V

               Additional Processor Cards and Memory:

470AR-AA       AlphaServer 2100 5/250 SMP CPU, Digital UNIX software
MS451-DA       128 MB Memory, AlphaServer 2100
MS451-FA       512 MB Memory, AlphaServer 2100

               Systems Integration Services:

QS-MCBAA-CP    High Availability System Assessment
QS-MCDAA-CP    High Availability System Configuration Planning
QS-MCEAA-CP    High Availability System Implementation
QS-DSAAA-CP    DECsafe Application Scripting

SERVICES

The AdvantageCluster Available Server warranty includes three-year onsite
coverage on hardware, next-business-day response, and 90-day software
telephone advisory service. Standard Software Product Services (SPS) are
available for the DECsafe Available Server software and other layered
products for the ACAS 2105/250. Digital recommends that users purchase
Systems Integration consulting services.

o  High Availability System Assessment -- Assesses user's need for disaster
   tolerance and recovery by providing an understanding of the business,
   configuration, and costs associated with implementing a high availability
   system

o  High Availability System Configuration Planning --Defines requirements,
   configuration design, and support planning for a high availability system

o  High Availability System Implementation -- Implements the high
   availability system, including startup and backup procedures, and system
   and network parameters

o  DECsafe Application Scripting -- Develops the scripts needed to implement
   application failover using DECsafe

For more detailed service information, please see the "AdvantageCluster
Available Server System Model 5004/275" article in the March 1995 issue
of Customer Update.