Chapter 4. IBM System x3690 X5 155
IBM 6Gb SSD Host Bus Adapter
The IBM 6Gb SSD Host Bus Adapter is an ideal host bus adapter (HBA) to connect to
high-performance SSDs. With two x4 SFF-8087 connectors and a high performance
PowerPC I/O processor, this HBA can support the bandwidth that SSDs can generate.
The IBM 6Gb SSD Host Bus Adapter has the following high-level specifications:
PCI Express 2.0 host interface
6 Gbps per port data transfer rate
MD2 small form factor
PCI Express 2.0 x8 host interface
High performance I/O Processor: PowerPC 440 at 533MHz
UEFI support
For more information, see IBM 6Gb SSD Host Bus Adapter for IBM System x, TIPS0744,
available at the following website:
http://www.redbooks.ibm.com/abstracts/tips0744.html?Open
ServeRAID B5015 SSD Controller
The ServeRAID B5015 is a high-performance RAID controller that is optimized for SSDs. It
has the following specifications:
RAID 1 and 5 support
Hot-spare support with automatic rebuild capability
Background data scrubbing
Stripe size of up to 1 MB
6 Gbps per SAS port
PCI Express 2.0 x8 host interface
PCI MD2 low profile form factor
Two x4 internal (SFF-8087) connectors
SAS controller: PMC-Sierra PM8013 maxSAS 6 Gbps SAS RoC controller
Up to eight disk drives per RAID adapter
Performance that is optimized for SSDs
Three multi-threading MIPS processing cores
High performance contention-free architecture
Up to four ServeRAID B5015 adapters supported in a system
Support for up to four arrays/logical volumes
For more information, see ServeRAID B5015 SSD Controller, TIPS0763, which is available at
the following website:
http://www.redbooks.ibm.com/abstracts/tips0763.html?Open
4.9.4 Battery backup placement
When you install RAID adapters that include batteries, the RAID batteries must be remotely
located to prevent the batteries from overheating. The batteries must be installed in the RAID
Important: Two variants of the 6 Gb Host Bus Adapter exist. The SSD variant has no
external port and is part number 46M0914. Do not confuse it with the IBM 6 Gb SAS HBA,
part number 46M0907, which is not supported for use with eXFlash.
Important: This controller does not use Megaraid. This controller is listed in power-on self
test (POST) and UEFI as a PMC-SIERRA card. This controller also uses maxRAID
Storage Manager for management.
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