ServeRAID M5115 SAS/SATA Controller for IBM Flex System

®

ServeRAID M5115 SAS/SATA Controller for IBM Flex
System
IBM Redbooks Product Guide
The ServeRAID M5115 SAS/SATA Controller is a high-performance offering for IBM Flex System™
compute nodes. It enables a high-performance RAID solution composed of combinations of SAS or SATA
drives or high-throughput solid-state drives (SSDs). The offering is designed around a base RAID adapter
with a set of upgrades that are rich with features, designed to minimize parts-on-the-floor, optimized for
storage performance, and consistent with existing industry-leading ServeRAID products.
The ServeRAID M5115 SAS/SATA Controller for IBM Flex System is capable of delivering several
focused solutions depending on business needs, offering two-drive HDD connectivity or support for up to
eight 1.8-inch SSDs or combinations of HDDs and SSDs. Software upgrades include SSD performance
features or an extra layer of redundancy with RAID 6. These solutions are realized by pairing M5115 with
one or more available hardware kits and Feature-on-Demand license upgrades.
The following figure shows a design drawing of the ServeRAID M5115 controller.

Figure 1. ServeRAID M5115 SAS/SATA Controller

Did you know?
The ServeRAID M5115 SAS/SATA controller is optimized for high-performance, internal data storage that
integrates a dual-core chip architecture, DDR3 1333 MHz cache memory, and PCIe 3.0 host interface.
Upgrade features, such as support for RAID 6/60, performance optimization, and caching with SSDs, no
longer require a hardware key, as they are implemented through Features-on-Demand (FoD) software
licenses.

ServeRAID M5115 SAS/SATA Controller for IBM Flex System

1

Part number information
The following table provides the ordering part numbers and feature codes.
Table 1. Ordering part numbers and feature codes
Part number

Feature code

Description

90Y4390

A2XW


Hardware enablement kits - IBM Flex System x220 Compute Node
90Y4424

A35L

ServeRAID M5100 Series Enablement Kit for IBM Flex System x220

90Y4425

A35M

ServeRAID M5100 Series IBM Flex System Flash Kit for x220

90Y4426

A35N

ServeRAID M5100 Series SSD Expansion Kit for IBM Flex System x220

90Y4342

A2XX


90Y4341

A2XY


90Y4391

A2XZ


46C9030

A3DS


46C9031

A3DT


46C9032

A3DU


Feature on demand licenses (for all three compute nodes)
90Y4410

A2Y1

ServeRAID M5100 Series RAID 6 Upgrade for IBM Flex System

90Y4412

A2Y2

ServeRAID M5100 Series Performance Upgrade for IBM Flex System

90Y4447

A36G

ServeRAID M5100 Series SSD Caching Enabler for IBM Flex System


2

Specifications
The ServeRAID M5115 controller has the following specifications:


Eight internal 6 Gbps SAS/SATA ports



PCI Express 3.0 x8 host interface



6 Gbps throughput per port



800 MHz dual-core IBM PowerPC® processor with LSI SAS2208 6 Gbps RAID on Chip (ROC)
controller



Onboard 1 GB data cache (DDR3 running at 1333 MHz)



Support for RAID levels 0, 1, 10, 5, 50 standard; support for RAID 6 and 60 with optional upgrade
using 90Y4411



Optional flash backup (MegaRAID CacheVault technology) as part of the Enablement Kit 90Y4342



Support for SAS and SATA HDDs and SSDs



Support for intermixing SAS and SATA HDDs and SSDs; mixing different types of drives in the same
array (drive group) is not recommended



Support for self-encrypting drives (SEDs) with MegaRAID SafeStore



Optional support for SSD performance acceleration with MegaRAID FastPath and SSD caching with
MegaRAID CacheCade Pro 2.0 (90Y4447)



Support for up to 64 virtual drives, up to 128 drive groups, up to 16 virtual drives per one drive group,
and up to 32 physical drives per one drive group



Support for logical unit number (LUN) sizes up to 64 TB



Configurable stripe size up to 1 MB



Compliant with Disk Data Format (DDF) configuration on disk (COD)



S.M.A.R.T. support



MegaRAID Storage Manager management software

Optional add-ons to the ServeRAID M5115 controller are RAID 6 support, SSD performance accelerator,
and SSD caching enabler. The feature upgrades are as listed in the following table. These are all Feature
on Demand (FoD) activations.
Table 4. Supported upgrade features
Part
number

Feature
code

Description

90Y4410

A2Y1

ServeRAID M5100 Series RAID 6 Upgrade for IBM Flex System

90Y4412

A2Y2

ServeRAID M5100 Series Performance Upgrade for IBM Flex System (MegaRAID
FastPath)

90Y4447

A36G

ServeRAID M5100 Series SSD Caching Enabler for IBM Flex System (MegaRAID
CacheCade Pro 2.0)


3

These features are described as follows:


RAID 6 Upgrade (90Y4410)
Adds support for RAID 6 and RAID 60. This is a Feature on Demand license.



Performance Upgrade (90Y4412)
The Performance Upgrade for IBM Flex System (implemented using the LSI MegaRAID FastPath
software) provides high-performance I/O acceleration for SSD-based virtual drives by using an
extremely low-latency I/O path to increase the maximum I/O per second (IOPS) capability of the
controller. This feature boosts the performance of applications with a highly random data storage
access pattern, such as transactional databases. Part number 90Y4412 is a Feature on Demand
license.



SSD Caching Enabler for traditional hard drives (90Y4447)
The SSD Caching Enabler for IBM Flex System (implemented using the LSI MegaRAID CacheCade
Pro 2.0) is designed to accelerate the performance of hard disk drive (HDD) arrays with only an
incremental investment in solid-state drive (SSD) technology. The feature enables the SSDs to be
configured as a dedicated cache to help maximize the I/O performance for transaction-intensive
applications, such as databases and web serving. The feature tracks data storage access patterns
and identifies the most frequently accessed data. The hot data is then automatically stored on the
SSDs that are assigned as a dedicated cache pool on the ServeRAID controller. Part number
90Y4447 is a Feature on Demand license. This feature requires at least one SSD drive be installed.

Supported servers
The following table lists the IBM Flex System compute nodes that support the ServeRAID M5115
SAS/SATA Controller.
Table 2. Supported servers

Description

Part
number

ServeRAID M5115 SAS/SATA Controller

90Y4390

Y

N

Y

Y

N

N

N

N

See IBM ServerProven® at the following web address for the latest information about the expansion
cards that are supported by each blade server type:
http://ibm.com/servers/eserver/serverproven/compat/us/


4

Supported configurations
With the ServeRAID M5115, the compute node can support contain up to eight 1.8-inch solid-state drives.
The M5115 attaches to the I/O adapter 1 connector and can be attached even if the Compute Node Fabric
Connector is installed (used to route the embedded Ethernet controller to chassis bays 1 and 2). The
ServeRAID M5115 cannot be installed if an adapter is installed in I/O adapter slot 1.
The following figure shows where the ServeRAID M5115 is installed in an IBM Flex System compute node
(x240 is shown as an example).

Figure 2. ServeRAID M5115 installed in the x240 Compute Node
The ServeRAID M5115 supports combinations of 2.5-inch drives and 1.8-inch solid state drives:





Up to two 2.5-inch drives only
Up to four 1.8-inch drives only
Up to two 2.5-inch drives, plus up to four 1.8-inch solid state drives
Up to eight 1.8-inch solid state drives

The ServeRAID M5115 provides an advanced RAID controller supporting RAID 0, 1, 10, 5, 50, and,
optionally, 6 and 60. It includes 1 GB of cache, which can be backed up to flash memory when attached to
the supercapacitor included with the optional ServeRAID M5100 Series Enablement Kit (90Y4342).


5

At least one hardware kit is required with the ServeRAID M5115 controller, and there are three hardware
kits that are supported that enable specific drive support:
ServeRAID M5100 Series Enablement Kit for IBM Flex System x240 (90Y4342) or IBM Flex
System x220 (90Y4424) or IBM Flex System x440 (46C9030) enables support for up to two 2.5-inch
HDDs or SSDs in the hot-swap bays in the front of the server. It includes a CacheVault unit, which
enables MegaRAID CacheVault flash cache protection. This enablement kit replaces the standard
two-bay backplane (which is attached through the planar to an onboard controller) with a new
backplane that attaches to an included flex cable to the M5115 controller. It also includes an air
baffle, which also serves as an attachment for the CacheVault unit.



MegaRAID CacheVault flash cache protection uses NAND flash memory powered by a
supercapacitor to protect data stored in the controller cache. This module eliminates the need for a
lithium-ion battery commonly used to protect DRAM cache memory on PCI RAID controllers. To avoid
the possibility of data loss or corruption during a power or server failure, CacheVault technology
transfers the contents of the DRAM cache to NAND flash memory using power from the
supercapacitor. After the power is restored to the RAID controller, the saved data is transferred from
the NAND flash back to the DRAM cache, which can then be flushed to disk.
Tip: The Enablement Kit is only required if 2.5-inch drives are used. If you plan to install four or eight
1.8-inch SSDs only, then this kit is not required.


ServeRAID M5100 Series IBM Flex System Flash Kit for x240 (90Y4341) or IBM Flex System
x220 (90Y4425) or IBM Flex System x440 (46C9031) enables support for up to four 1.8-inch SSDs.
This kit replaces the standard two-bay backplane with a four-bay SSD backplane that attaches to an
included flex cable to the M5115 controller. Because only SSDs are supported, a CacheVault unit is
not required, and therefore this kit does not have a supercap.



ServeRAID M5100 Series SSD Expansion Kit for IBM Flex System x240 (90Y4391) or IBM Flex
System x220 (90Y4426) or IBM Flex System x440 (46C9032) enables support for up to four internal
1.8-inch SSDs. This kit includes two air baffles which can attach two 1.8-inch SSD attachment
locations and Flex cables for attachment to up to four 1.8-inch SSDs.

The following table shows the kits required for each combination of drives. For example, if you plan to
install eight 1.8-inch SSDs, then you need the M5115 controller, the Flash kit, and the SSD Expansion kit.
Table 3. ServeRAID M5115 hardware kits
Desired drive support
Maximum
number of
2.5-inch
drives

Maximum
number of
1.8-inch
SSDs

2

0

0

Components required

ServeRAID
M5115
90Y4390

Enablement Kit
90Y4342 (x240)
90Y4424 (x220)
46C9030 (x440)

=>

Required

=>

Required

2

4 (internal)

=>

Required

0

8 (both)

=>

Required

SSD
Expansion Kit
90Y4391 (x240)
90Y4426 (x220)
46C9032 (x440)

Required

4 (front)

Flash Kit
90Y4341 (x240)
90Y4425 (x220)
46C9031 (x440)

Required
Required

Required
Required

Required

The following figure shows how the ServeRAID M5115 and the Enablement Kit are installed in the x240 to
support two 2.5-inch drives with MegaRAID CacheVault flash cache protection (row 1 of the preceding
table). The configuration is the same for the x220.


6

Figure 3. The ServeRAID M5115 and the Enablement Kit installed (x240)
The following figure shows how the ServeRAID M5115 and Flash and SSD Expansion Kits are installed in
the x240 to support eight 1.8-inch solid-state drives (row 4 of the preceding table). The configuration is the
same for the x220.

Figure 4. ServeRAID M5115 with Flash Kit and SSD Expansion Kits installed (x240)
The eight SSDs are installed in the following locations:




Four in the front of the system in place of the two 2.5-inch drive bays
Two in a tray above one the memory banks for processor 1
Two in a tray above one the memory banks for processor 2


7

The following figure shows how the ServeRAID M5115 and Flash and SSD Expansion Kits are installed in
the x440 to support eight 1.8-inch solid-state drives.

Figure 5. ServeRAID M5115 with Flash and SSD Expansion Kits installed (x440)

Components shipped with each option
The ServeRAID M5115 SAS/SATA Controller for IBM Flex System part number includes the following
items:





ServeRAID M5115 controller
Warranty Information
ServeRAID M Documentation CD
IBM Important Notices flyer

The ServeRAID M5100 Series Enablement Kit part number (90Y4342 or 90Y4424 or 46C9030) includes
the following items:









Air baffle to replace the standard air baffle (over the memory DIMMs) to hold the Power Module
2.5-inch backplane for the installation of up to two 2.5-inch SAS HDDs, SATA HDDs, or SSDs
Power Module
Power Module cable
Flex cable


8

The ServeRAID M5100 Series IBM Flex System Flash Kit part number (90Y4341 or 90Y4425 or
46C9031) includes the following items:








1.8-inch backplane for the installation of up to four SSDs
Flex cable
Drive caddies for four SSDs
Bezel

The ServeRAID M5100 Series SSD Expansion Kit part number (90Y4391 or 90Y4426 or 46C9032)
includes the following items:






Two air baffles where up to four SSDs are mounted
Flex cable

The following part numbers come in form of a flyer with the M5100 Series upgrade activation key and
instructions:




ServeRAID M5100 Series RAID 6 Upgrade for IBM Flex System (90Y4410)
ServeRAID M5100 Series Performance Upgrade for IBM Flex System (90Y4412)
ServeRAID M5100 Series SSD Caching Enabler for IBM Flex System (90Y4447)

Supported HDDs and SSDs
The 1.8-inch solid-state drives supported with the Flash Kit (90Y4341 or 90Y4425 or 46C9031) and SSD
Expansion Kit (90Y4391 or 90Y4426 or 46C9032) are listed in the following table.
Table 5. Supported 1.8-inch solid-state drives
Feature
code

Description

x220

x240

x440

Maximum
supported

00W1120

A3HQ

IBM 100GB SATA 1.8" MLC Enterprise SSD

No

No

No

None

49Y6119

A3AN


No

No

No

None

49Y6124

A3AP


No

No

No

None

43W7726

5428

IBM 50GB SATA 1.8" MLC SSD

Yes

Yes

Yes

8

43W7746

5420

IBM 200GB SATA 1.8" MLC SSD

Yes

Yes

Yes

8

Part number
Enterprise SSDs

Enterprise Value SSDs
49Y5834

A3AQ

IBM 64GB SATA 1.8" MLC Enterprise Value SSD

Yes

No

No

8

49Y5993

A3AR


Yes

No

No

8

00W1222

A3TG


No

No

No

None

00W1227

A3TH


No

No

No

None


9

The 2.5-inch drive bays in the Enablement Kit (90Y4342 or 90Y4424 or 46C9030) support SAS or SATA
hard disk drives (HDDs) or SATA solid state drives (SSDs). The following table lists the supported
2.5-inch drive options.
Table 6. 2.5-inch drive options for internal disk storage in the IBM Flex System compute nodes (Part 1)
Part number

Feature code

Description

x220

x240

x440

Self-encrypting drives (SEDs)*
44W2264

5413

IBM 300GB 10K 6Gbps SAS 2.5" SFF Slim-HS SED

N

Y

Y

90Y8944

A2ZK

IBM 146GB 15K 6Gbps SAS 2.5" SFF G2HS SED

Y

Y

Y

44W2294

5412

IBM 146GB 15K 6Gbps SAS 2.5" SFF Slim-HS SED

N

Y

N

90Y8913

A2XF


Y

Y

Y

90Y8908

A3EF


Y

Y

Y

81Y9662

A3EG


Y

Y

Y

00AD085

A48T

IBM 1.2TB 10K 6Gbps SAS 2.5'' G2HS SED

Y

Y

Y

10K SAS hard disk drives
90Y8877

A2XC

IBM 300GB 10K 6Gbps SAS 2.5" SFF G2HS HDD

Y

Y

Y

42D0637

5599

IBM 300GB 10K 6Gbps SAS 2.5" SFF Slim-HS HDD

Y

Y

N

90Y8872

A2XD


Y

Y

Y

49Y2003

5433


Y

Y

N

81Y9650

A282

IBM 900GB 10K 6Gbps SAS 2.5" SFF HS HDD

Y

Y

Y

00AD075

A48S

IBM 1.2TB 10K 6Gbps SAS 2.5'' G2HS HDD

Y

Y

Y

15K SAS hard disk drives
90Y8926

A2XB


Y

Y

Y

42D0677

5536


Y

Y

N

81Y9670

A283

IBM 300GB 15K 6Gbps SAS 2.5" SFF HS HDD

Y

Y

Y

NL SAS hard disk drives
81Y9690

A1P3

IBM 1TB 7.2K 6Gbps NL SAS 2.5" SFF HS HDD

Y

Y

Y

90Y8953

A2XE

IBM 500GB 7.2K 6Gbps NL SAS 2.5" SFF G2HS HDD

Y

Y

Y

42D0707

5409

IBM 500GB 7200 6Gbps NL SAS 2.5" SFF HS HDD

Y

Y

N

NL SATA hard disk drives
81Y9730

A1AV

IBM 1TB 7.2K 6Gbps NL SATA 2.5" SFF HS HDD

Y

Y

Y

81Y9722

A1NX

IBM 250GB 7.2K 6Gbps NL SATA 2.5" SFF HS HDD

Y

Y

Y

81Y9726

A1NZ

IBM 500GB 7.2K 6Gbps NL SATA 2.5" SFF HS HDD

Y

Y

Y

* Supports self-encrypting drive (SED) technology. For more information, see Self-Encrypting Drives for IBM
System x at http://www.redbooks.ibm.com/abstracts/tips0761.html?Open.


10

Table 6. 2.5-inch drive options for internal disk storage in the IBM Flex System compute nodes (Part 2)
Part number

Feature code

Description

x220

x240

x440

Solid-state drives - Enterprise
49Y6129

A3EW

IBM 200GB SAS 2.5" MLC HS Enterprise SSD

Y

Y

Y

49Y6134

A3EY


Y

Y

Y

49Y6139

A3F0


Y

Y

Y

00W1125

A3HR

IBM 100GB SATA 2.5" MLC HS Enterprise SSD

Y

Y

Y

43W7718

A2FN

IBM 200GB SATA 2.5" MLC HS SSD

Y

Y

Y

Solid-state drives - Enterprise value
49Y5839

A3AS

IBM 64GB SATA 2.5" MLC HS Enterprise Value SSD

Y

Y

Y

49Y5844

A3AU


Y

Y

Y

90Y8648

A2U4


Y

Y

Y

90Y8643

A2U3


Y

Y

Y

Supported operating systems
The ServeRAID M5115 SAS/SATA Controller support the following operating systems:

















Microsoft Windows Server 2008 R2
Microsoft Windows Server 2008, Datacenter x64 Edition
Microsoft Windows Server 2008, Enterprise x64 Edition
Microsoft Windows Server 2008, Standard x64 Edition
Microsoft Windows Server 2008, Web x64 Edition
Microsoft Windows Server 2012
Red Hat Enterprise Linux 5 Server with Xen x64 Edition
Red Hat Enterprise Linux 5 Server x64 Edition
Red Hat Enterprise Linux 6 Server x64 Edition
SUSE LINUX Enterprise Server 10 for AMD64/EM64T
SUSE LINUX Enterprise Server 11 for AMD64/EM64T
SUSE LINUX Enterprise Server 11 with Xen for AMD64/EM64T
VMware ESX 4.1
VMware ESXi 4.1
VMware vSphere 5.0 (ESXi)
VMware vSphere 5.1 (ESXi)

See the IBM ServerProven® website for the latest information about the specific versions and service
levels supported and any other prerequisites:
http://www.ibm.com/systems/info/x86servers/serverproven/compat/us/nos/matrix.shtml


11

Physical specifications
The ServeRAID M5115 SAS/SATA Controller has the following physical specifications:
Dimensions (approximate):





Height: 38 mm (1.5 in.)
Width: 96 mm (3.75 in.)
Depth: 120 mm (4.75 in.)
Weight: 142 g (0.36 lb)

Shipping dimensions (approximate):





Height: 128 mm (5.0 in.)
Width: 128 mm (5.0 in.)
Depth: 128 mm (5.0 in.)
Weight: 908 g (2.0 lb)

Operating environment
The ServeRAID M5115 SAS/SATA Controller is supported in the following environment:


Temperature:



10 - 35 degrees C (50 - 95 F) at 0 - 914 m (0 - 3,000 ft.)
10 - 32 degrees C (50 - 90 F) at 914 - 2,133 m (3,000 - 7,000 ft.)



Relative humidity: 20% - 80% (noncondensing)



Maximum altitude: 2,133 m (7,000 ft.)

Warranty
The adapter has a 1-year limited warranty. When installed on an IBM Flex System Compute Node, the
adapter assumes the system’s base warranty and any IBM ServicePac® upgrades.

Agency approvals
The adapter conforms to the following standards:















EN55022
EN55024
EN60950 / CE
EN 61000-3-2
EN 61000-3-3
IEC 950 CB Scheme
FCC Part 15 Class A, and Class B
UL 1950
CSA C22.2 950-95
VCCI
NZ AS3548 / C-tick
RRL for MIC (KCC)
BSMI
UL 94-/V


12

Related publications
For more information, see the following documents:


IBM Flex System x240 Compute Node Product Guide
http://www.redbooks.ibm.com/abstracts/tips0860.html









IBM Flex System Information Center (User's Guides for servers and options)
http://publib.boulder.ibm.com/infocenter/flexsys/information



IBM Flex System Interoperability Guide
http://www.redbooks.ibm.com/fsig



IBM Redbooks® publication IBM Flex System Products and Technology, SG24-7984
http://www.redbooks.ibm.com/abstracts/sg247984.html



IBM Redbooks Product Guides for IBM Flex System servers and options
http://www.redbooks.ibm.com/Redbooks.nsf/portals/PureSystems?Open&page=pgbycat



IBM Configurator for e-business (e-config)
http://ibm.com/services/econfig/



IBM System x and Cluster Solutions configurator (x-config)
http://ibm.com/products/hardware/configurator/americas/bhui/asit/



System x RAID products home page:
http://www.ibm.com/systems/storage/product/systemx/scsi_raid.html



IBM ServeRAID software matrix:
http://www.ibm.com/support/entry/portal/docdisplay?lndocid=SERV-RAID



IBM System x Configuration and Options Guide:
http://ibm.com/systems/xbc/cog/



ServerProven for IBM Flex System
http://ibm.com/systems/info/x86servers/serverproven/compat/us/flexsystems.html


13

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obtained in other operating environments may vary significantly. Some measurements may have been made on
development-level systems and there is no guarantee that these measurements will be the same on generally
available systems. Furthermore, some measurement may have been estimated through extrapolation. Actual
results may vary. Users of this document should verify the applicable data for their specific environment.
COPYRIGHT LICENSE:
This information contains sample application programs in source language, which illustrate programming
techniques on various operating platforms. You may copy, modify, and distribute these sample programs in any
form without payment to IBM, for the purposes of developing, using, marketing or distributing application programs
conforming to the application programming interface for the operating platform for which the sample programs are
written. These examples have not been thoroughly tested under all conditions. IBM, therefore, cannot guarantee or
imply reliability, serviceability, or function of these programs.
© Copyright International Business Machines Corporation 2012. All rights reserved.
Note to U.S. Government Users Restricted Rights -- Use, duplication or disclosure restricted by
GSA ADP Schedule Contract with IBM Corp.


14

This document was created or updated on July 25, 2013.
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15

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