Справочник Пользователя для IBM Xseries 445 4* Xeon MP 3.0GHz 1MB L2 Cache 4GB DVD GLAN 2*73.4GB 15K HS K04WXEU

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XpandOnDemand provides a route to
higher performance using industry-
standard hardware. Each x445 can
scale from 2-way to 8-way in a single
chassis (expanding beyond 4-way
requires that all processors be the
Intel® Xeon™ Processor MP). Grow to
16-way simply by connecting two 8-
way chassis or up to 32-way by con-
necting four chassis. This enables you
to add processing and memory
capacity as your needs change.
To increase I/O capacity, the optional
RXE-100 Remote Expansion
Enclosure provides up to 12 addi-
tional Active™ PCI-X slots for triple
the I/O without the expense of a full
system upgrade.
XpandOnDemand provides out-
standing flexibility because it allows
the x445 to scale both UP and OUT.
Scaling UP is simple, because the
x445 is a rack-dense 16-way or 
32-way configuration. You benefit
because today’s x445 can continue
to scale with needs into the future.
Scaling OUT is easy for server 
consolidation using VMware™ 
ESX Server™, which can enable up
to 80 virtual servers on one 8- or
16-processor configuration. Server
capacity can increase dynamically
with little effort and cost.
With exceptional expandability, the
x445 is designed to conform to the
changing requirements of the most
demanding business-critical 
transaction workloads like customer
relationship management (CRM),
enterprise resource planning (ERP)
and business intelligence.
High-octane performance
Built on the foundation of Enterprise
X-Architecture, which has claimed 50
number 1 benchmarks in its history,
the x445 establishes a new standard
for industry-leading performance
2
.
With enhanced XceL4 system cache,
the x445 exploits 64MB of integrated
Level 4 cache per four CPUs—for a
substantial leap in processing power
through reduced latency.
The x445 delivers impressive memory
capacity with up to 64GB per
chassis—an Intel Xeon Processor
architectural limit. Sufficient memory
means that demand paging events
are kept to a minimum, resulting in
ultra-fast execution. Consequently,
you may be able to load entire 
databases into main memory for
extremely fast transaction processing
to create a formidable database
engine.
Robust memory subsystem
The x445 delivers OnForever™ 
availability features with a memory
subsystem that provides remarkable
defenses against downtime. Active
Memory™ offers industry-leading 
availability that is OS independent for
maximum flexibility including:
XpandOnDemand powers x445 scalability in 8-processor nodes (shown above as a two-node 16-way
with an RXE-100).
Hot-swap memory enables the
replacement of failed DIMMs while
the system is running to maximize
availability of mission-critical
servers.
Hot-add memory supported with
Microsoft® Windows® Server
2003
3
powers the dynamic addition
of main memory to increase 
performance.
Chipkill™ memory allows multiple
single-bit errors to be corrected
using off-the-shelf memory—helping
protect your data and budget.