Reliability, Availability, And Serviceability - Lenovo TD100 - THINKSERVER 2.0G 2GB DVD 670W 6X7 TFF User Manual

Types 4203, 4204, 4205, 4206, 6398, 6399, 6419, and 6429
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v Memory mirroring
v Online-spare memory
v Redundant power capabilities
v ServeRAID
v Symmetric multiprocessing (SMP)
v Systems-management capabilities

Reliability, availability, and serviceability

Three important server design features are reliability, availability, and serviceability
(RAS). The RAS features help to ensure the integrity of the data that is stored in
the server, the availability of the server when you need it, and the ease with which
you can diagnose and repair problems.
6
ThinkServer TD100 and TD100x Types 4203, 4204, 4205, 4206, 6398, 6399, 6419, and 6429: User Guide
eight industry-standard, 2-way interleaved, x4 or x8, 1.8 V, 240-pin,
double-data-rate 2 (DDR2), PC2-5300, 677 MHz, dynamic random-access
memory (DRAM) fully buffered (FBD) dual inline memory modules (DIMMs).
TD100x
The server supports up to 48 GB (reduced to 24 GB in mirrored mode) of system
memory. The memory controller supports error correcting code (ECC) for up to
12 240-pin, DDR1, PC2-5300, SDRAM, 667 MHz, fully buffered DIMMs.
Some models support memory mirroring. Memory mirroring replicates and stores
data in DIMMs within two branches simultaneously. To support memory mirroring,
you must have at least two pairs of DIMMs installed (a pair in each branch).
Pairs of DIMMs that are next to each other (for example, DIMM slot 1 and DIMM
slot 4) within the channels of the same branch must be identical pairs of
full-buffered, dual inline memory modules (DIMMs). For more information, see
"Installing a memory module" on page 28.
Some models support online-sparing memory. Online-spare memory disables a
failed rank pair of DIMMs from the system configuration and activates an
online-spare rank pair of DIMMs to replace the failed rank pair of DIMMs. For an
online-spare pair of DIMMs to be activated, you must enable this feature and
have installed an additional pair of DIMMs of the same speed, type, size (or
larger), and technology as the failed pair of DIMMs. For more information, see
"Installing a memory module" on page 28.
Some models support up to two 835-watt power supplies, which provide
redundancy and hot-swap capability for a typical configuration. If the maximum
load on the server is less than 835 watts and a problem occurs with one of the
power supplies, the other power supply can meet the power requirements.
support
Some models support ServeRAID adapters to create redundant array of
independent disks (RAID) configurations. Some models also have integrated
RAID level-0 and level-1 support.
The server supports up to two Intel Xeon microprocessors. Each microprocessor
provides symmetric multiprocessing capability. When you install the second
microprocessor, this will enhance the performance of the server.
The server supports an optional Remote Supervisor Adapter II SlimLine, which
provides service-processor functions in addition to those that the BMC provides.
When this adapter is used with the systems-management software that comes
with the server, you can manage the functions of the server locally and remotely.
The Remote Supervisor Adapter II SlimLine also provides system monitoring,
event recording, and dial-out alert capability.
See the documentation that comes with your systems-management software for
more information.

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