Lenovo x3550 M3 Betriebsanweisung PDF herunterladen (Seite 14)

Leadership enterprise server with significantly lower cost of ownership in a highly available and

expandable, rack-dense, 1U dual-socket server

Please see the Legal Information section for important notices and information.

Hard Disk Drives — IBM hard disk drives help you improve the transaction and cost performance

of your System x servers. The choice of hard disk drives can be a critical aspect of maximizing the

I/O throughput of the system. 2.5-inch SAS hard disk drives are available for the x3550 M3 with

capacities of up to 1TB at 7,200 RPMs, up to 600GB at 10K RPMs, and up to 146.8GB at 15,000

RPMs. 2.5-inch SATA HDDs are available in capacities up to 1TGB at 7,200 RPMs and 300GB at

10K RPMs.

Solid State Drives — IBM solid-state drives offer high IOPS (I/O operations per second)

performance and the ultimate in reliability, with 3X the MTBF (mean time between failure) rate of

enterprise HDDs. IBM SSDs. are available in 50GB capacities. They can be used as a highly

available boot drive, for storing disk images, or for other uses that stress read performance.

Power Supply — The optional second power supply for the x3550 M3 enables redundancy for

hot-swap power. Its design, up to 95%-efficient, helps lower your energy bill for power and

cooling.

Virtual Media Key — The x3550 M3 includes a plethora of systems management features built-in;

however, sometimes additional management capability is needed. In those situations, the Virtual

Media Key not only offers powerful new features, it does so without taking up a valuable PCI-X or

PCIe adapter slot, instead using a dedicated slot on the motherboard.

ServeRAID Controllers — System x servers using ServeRAID technology allow companies to

build a reliable foundation for business-critical computing. IBM ServeRAID technology allows an

array consisting of multiple physical hard disk drives to be treated as one logical drive. ServeRAID

technology also allows data to be stored redundantly, across multiple hard disk drives—

enhancing both the integrity and the availability of the data. SAS and SATA ServeRAID controllers

offer enhanced performance due to onboard processors and cache. Because IBM ServeRAID

controllers can help significantly improve data transfer rates, this technology is extremely effective

when implementing demanding, transaction-oriented applications. By employing the advanced

fault tolerance of IBM ServeRAID technology, companies can effectively implement networked

business systems that require large amounts of storage space for data and applications that must

be available for their businesses to continue operating.

The ServeRAID-BR10il v2 SAS/SATA Controller offers RAID-0/1/1E support, with up to 3Gbps

per SAS port. The IBM ServeRAID-M1015, x8 PCIe and 6Gbps, offers RAID-0/1/10; optionally

RAID-5/50 with SED support. The IBM ServeRAID-M5014, x8 PCIe and 6Gbps, provides 256MB

cache and RAID-0/1/10/5/50; optionally RAID-6/60 with SED, and battery backup). The IBM

ServeRAID-M5015, x8 PCIe and 6Gbps, includes 512MB of battery-backed cache standard and

RAID-0/1/10/5/50; optionally RAID-6/60 with SED. For external storage, the ServeRAID-M5025

controller provides RAID-0/1/10/5/50 support and 512MB of onboard cache and enables

connection to up to four IBM System Storage SAS/SATA expansion units (240 HDDs total). The

IBM ServeRAID M1000 Series Advance Feature Key adds RAID-5/50 and SED support to the

ServeRAID-M1015. Similarly, the IBM ServeRAID M5000 Series Advance Feature Key adds

RAID-6/60 with SED support to the M5014, M5015, and M5025. The IBM ServeRAID M5000

Series Battery Key adds battery backup support to the M5014 and CTO servers containing an

M5015 or M5025.

External Storage — The IBM System Storage EXP810 expansion unit, as well as the DS3000,

DS4000, and DS8000 Series storage subsystems and N3000, N5000, N6000, and N7000 NAS

systems comprise a powerful and broad shared storage family with integrated management

software designed to meet midrange and enterprise needs.

External SAN, iSCSI, and direct-attach storage is available using one of several IBM System

Storage host bus adapters. External LAN-attached tape storage is available.

IBM System x3550 M3 Images

Front View

Hot

Swap

2.5-inch

HDD Bays

atus

LEDs

Pop

Out Light

Path Diagnostics

Panel

Power Button

Video

Port

Light Path

Diagnostics

Panel Eject

Button

USB

2.0

Rack Release Button

4 HDD

Bays or 1

DVD Bay

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