IBM FlashSystem 900 Manuale utente

FlashSystem 900 Product Guide 1

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FlashSystem 900 Product Guide

IBM Redbooks Product Guide

Today's global organizations depend upon the ability to unlock business insights from massive volumes of

data. Now, with IBM FlashSystem 900, they can make faster decisions based on real-time insights and

unleash the power of the most demanding applications, including online transaction processing (OLTP)

and analytics databases, virtual desktop infrastructures (VDIs), technical computing applications, and

cloud environments.

Easy to deploy and manage, the IBM FlashSystem 900 is designed to accelerate the applications that

drive business. Powered by IBM FlashCore™ Technology, IBM FlashSystem provides the following

characteristics:

Extreme performance with IBM MicroLatency™ delivers 90 µs write latency and 155 µs read latency

Macro efficiency lowers operating costs and increases efficiency of IT infrastructure by using much

less power and space than traditional hard disk drive (HDD) and solid-state disk (SSD) solutions

Enterprise reliability protects critical assists with two-dimensional RAID protection, IBM Variable

Stripe RAID, redundant and hot-swappable components, and concurrent code loads

FlashSystem 900 can be configured in capacity points as low as 2.4 TB usable after RAID 5 protection.

Coupled with 10 Gbps iSCSI, FlashSystem is positioned to bring extreme performance to small and

medium businesses (SMBs) and growth markets. Figure 1 shows FlashSystem 900.

Figure 1. FlashSystem 900

At the heart of FlashSystem 900 is IBM FlashCore Technology, which consists of the following three key

elements:

Hardware-accelerated architecture that is engineered for flash, with hardware only data path

IBM MicroLatency modules that are designed for low latency, density, and reliability

IBM Advanced Flash Management that improves MLC flash endurance 9x over standard

implementations without sacrificing latency

FlashSystem 900 Product Guide 2

Figure 2 shows IBM FlashCore Technology

Figure 2. IBM FlashCore Technology

Did you know?

FlashSystem 900 has these characteristics:

FlashSystem 900 is configurable with 2.4 - 57 TB of usable capacity for scalability and flexibility.

FlashSystem 900 provides flexible interface types including Fibre Channel, Fibre Channel over

Ethernet (FCoE), iSCSI, and InfiniBand to easily integrate into existing SAN environments.

FlashSystem 900 offers hardware-based AES 256 data-at-rest encryption with no performance

impact.

FlashSystem 900 Product Guide 3

Key features

FlashSystem 900 provides extreme performance with IBM MicroLatency™, macro efficiency, and

enterprise reliability.

Scalability and performance

FlashSystem 900 has the following scalability and performance features:

IBM FlashCore technology for consistently high performance at lower cost

90us/155us read/write latency

Up to 1.1 million random read 4 K IOPS

Up to 10 GB/second read bandwidth

IBM-enhanced Micron MLC technology for higher storage density and improved endurance

Flexible interface types of Fibre Channel, Fibre Channel over Ethernet (FCoE), iSCSI, and InfiniBand

Up to 16 ports of 8 Gbps or eight ports of 16 Gbps Fibre Channel

Up to 16 ports of 10 Gbps FCoE

Up to 16 ports of 10 Gbps iSCSI

Up to eight ports of 40 Gbps quad data rate (QDR) InfiniBand

Slots for up to 12 hot-swappable IBM MicroLatency storage modules (1.2 TB, 2.9 TB, or 5.7 TB)

Configurable 2.4 - 57 TB of capacity for increased flexibility

Enterprise-class reliability features

FlashSystem 900 delivers the following enterprise-class reliability features:

Concurrent code load enables customer applications to remain online during firmware upgrades to all

components, including the IBM MicroLatency modules.

Hot-swappable IBM MicroLatency modules by way of tool-less front panel access. If a MicroLatency

module failure occurs, critical customer applications can remain online while the defective module is

replaced.

All active components are redundant and hot-swappable, including IBM MicroLatency modules, RAID

controllers, management modules, interface, batteries, fans, and power supplies.

All components are easily accessible through the front or rear of the enclosure, so IBM FlashSystem

900 does not need to be moved in the rack and no top access panels or cables need to be extended.

Two-dimensional (2D) Flash RAID, which consists of IBM Variable Stripe RAID and system-wide

RAID 5. Variable Stripe RAID technology helps reduce downtime and maintain performance and

capacity in the event of partial or full flash chip failures. System-wide RAID 5, with easily accessed hot

swappable flash modules, helps prevent data loss and promote availability.

IBM Advanced Flash Management improves flash endurance 9x over standard implementations with

IBM engineered ECC, advanced wear leveling, and proprietary garbage collection, relocation, and

block picking algorithms.

Energy and space efficiency

FlashSystem 900 has the following energy and space efficiency characteristics:

40% greater density than previous generation

4x greater capacity than competitive all-flash products

Reduced power, space, and cooling with only 625 watts typical operating power and 2U form factor

FlashSystem 900 Product Guide 4

Manageability and security

FlashSystem 900 offers the following manageability and security features:

Hardware-accelerated AES-XTS 256-bit data at rest encryption including Hot Encryption Activation

and Hot Encryption Re-key

Intuitive graphical user interface (GUI) and command-line interface (CLI) which is available in any

supported browser

Simple Network Management Protocol (SNMP)

Email alerts

Syslog redirect to send system log messages to another host

Architecture and key components

IBM FlashSystem 900 enclosures include two fully redundant canisters. Each canister contains a RAID

controller, two interface cards, and a management controller with an associated 1 Gbps Ethernet port.

Each canister also has a USB port and two hot-swappable fan modules.

In addition to the canisters, IBM FlashSystem 900 enclosures include two battery modules and two power

supplies, which are all redundant and hot-swappable. All components are easily accessible from the front

or rear of the unit, so IBM FlashSystem 900 does not need to be moved in the rack, and any top access

panels or cables do not need to be extended. This configuration makes servicing the unit easy. The front

of the enclosure has the two battery modules on the far left of the enclosure, a LED indicator panel next to

this, and twelve IBM MicroLatency module slots to the right of the panel and battery modules, as shown in

Figure 3.

Figure 3. Front view of FlashSystem 900

FlashSystem 900 Product Guide 5

Figure 4 shows the components of IBM FlashSystem 900 from the rear. One of the two canisters is

removed, and you see two interface cards and two fan modules. The power supply unit to the right of the

fans provides redundant power to the system. All components are concurrently maintainable except for

the passive midplane, enclosure LED board, and power interposer board. All external connections are

from the rear of the system.

Figure 4. Rear view of FlashSystem 900 with one canister removed

Figure 5 shows a rear view of FlashSystem 900 with Fibre Channel or FCoE interfaces. The canisters are

to the left (large units) and the two power supply units are to the right (small units).

Figure 5. Rear view with Fibre Channel interface cards

FlashSystem 900 Product Guide 6

Specifications

Table 1 lists the specifications for FlashSystem 900.

Table 1. Specifications (part 1 of 2)

Specification Description

Model 9840-AE2, 9843-AE2.

Form factor 2U rack-mounted enclosure.

IBM MicroLatency module

quantity

Up to 12 IBM MicroLatency modules in increments of 4, 6, 8, 10, or 12

for the 1.2 TB module, and 6, 8, 10, or 12 for the 2.9 TB or 5.7 TB

modules. Modules of either 1.2 TB, 2.9 TB, or 5.7 TB cannot be

intermixed.

Flash type IBM-enhanced MLC

Raw capacity (TB/TiB) 7.1 TB/6.6 TiB, 10.7TB/9.7 TiB, 14.2TB/13.0 TiB, 17.8 TB/16.2 TiB,

21.4 TB/19.5 TiB, 26.3 TB/24.0 TiB, 35.1 TB/32.0 TiB, 43.9 TB/40.0

TiB, 52.7 TB/48.0 TiB, 70.3 TB/64.0 TiB, 87.9 TB/80.0 TiB and 105.5

TB/96.0 TiB

RAID 5 usable capacity

(TB/TiB)

2.4 TB/2.1 TiB, 4.8 TB/4.3 TiB, 7.2 TB/6.5 TiB, 9.6 TB/8.3 TiB, 11.6

TB/10.5 TiB, 12 TB/10.9 TiB, 17.4 TB/15.8 TiB, 22.8 TB/20.72 TiB,

23.2 TB/21.1 TiB, 29 TB/26.3 TiB, 34.2 TB/31.1 TiB, 45.6 TB/41.4 TiB

and 57 TB/51.8 TiB

Maximum capacity For RAID 5, the maximum capacity is 57 TB. Note that RAID 0 is not

supported on the FlashSystem 900.

IBM MicroLatency module

protection

ECC error correction, Variable stripe RAID data protection,

overprovisioning, and IBM two-dimensional Flash RAID.

RAID support RAID 5

Host interfaces Two RJ45 Ethernet connections for management and up to 16 host

interface connections, which are either SFP+ FC or QSFP InfiniBand

connections, depending on the selected features.

Maximum bandwidth 10 GBps Read (100%, sequential), 4.5 GBps Write (100%,

sequential).

Read IOPS ( 100% Random ) 1,100,000.

Write IOPS ( 100% Random ) 600,000.

Read latency 155 µs.

Write latency 90 µs.

Maximum volume support

(LUNs)

2 K (2048).

System management IBM FlashSystem 900 GUI is available in any supported browser.

IBM FlashSystem 900 CLI.

SNMP.

Email alerts.

Syslog redirect.

FlashSystem 900 Product Guide 7

Table 1. Specifications (part 2 of 2)

Specification Description

Cooling Four hot-swappable fan modules.

Power supply 1300 watts, high-power version to run at maximum performance for

longer durations during power supply servicing. Two redundant

hot-swap 200 - 240V AC auto-sensing power supplies.

Input power 1300 watts maximum, 625 watts RAID5 typical operation, per 2U

Heat dissipation Approximately 2133 BTU (assuming 625W). For maximum

configurations, it could go as high as 3753 BTU (maximum

configuration using RAID 5).

Hot-swap parts All active components.

Security features AES-XTS 256 bit data-at-rest encryption with local key management.

Two new functions have been added to the encryption feature and can

be accessed by using the FlashSystem 900 GUI:

Hot Encryption Activation - Adding an encryption license to a

previously initialized system

Encryption Re-key - Changing the encryption key on a previously

initialized system

Platforms supported For specific information, see the IBM System Storage Interoperation

Center (SSIC) at

http://www.ibm.com/systems/support/storage/ssic/interoperability.wss

Warranty Set of Machine Types in AAS, 24 X 7 Service level Agreement, 4 hour

response time:

9840-AE2 - One year.

9843-AE2 - Three years.

Service and support Optional warranty service upgrades and post-warranty services are

available on site with 24x7 2-6 hour response, 24x7, or 9x5 same day,

or 9x5 next business day response,

Physical Specifications

Dimensions Width: 445 mm (17.5 in.) (19-inch Rack Standard)

Depth: 761 mm (29.96 in.)

Height: 86.2 mm (3.39 in.)

Weight 34 Kg ( 75 lb ) for fully configured machine ( 12 IBM MicroLatency

modules )

FlashSystem 900 Product Guide 8

Models

The following set of Machine Types are supported in AAS as follows:

9840-AE2 - Warranty period 1 year

9843-AE2 - Warranty period 3 years

All FlashSystem 900. Storage systems include the IBM MicroLatency modules and blanks, power

supplies, fans, and canisters preinstalled. The IBM MicroLatency module type and quantity and the host

interface I/O cards must be pre-specified. The batteries are packaged separately and must be installed by

the person performing the FlashSystem 900 installation, before powering on the machine.

The following items are also shipped with FlashSystem 900:

System chassis

Rack rail kit

Warranty documentation

Printed quick start guide

Selected power cables

Selected interface cables (if any)

License CD

Interface cards

IBM FlashSystem 900 supports only one interface type per system. For example, it is not possible to use

two Fibre Channel interface cards and two InfiniBand interface cards in the same enclosure.

Interface cards are sold in groups of two feature codes (providing a total of four cards), and supply

interfaces of either eight or 16 ports for each system.

IBM FlashSystem 900 supports the following interface protocols and number of connections:

Fibre Channel (16 ports of 8 Gbps; these ports also support 4 Gbps)

Fibre Channel (eight ports of 16 Gbps; these ports also support 8 Gbps and 4 Gbps)

FCoE (16 ports of 10 Gbps FCoE)

Internet Small Computer System Interface (iSCSI) (16 ports of 10 Gbps iSCSI)

InfiniBand (eight ports of QDR InfiniBand 40 Gbps)

FlashSystem 900 Product Guide 9

Fibre Channel support

The Fibre Channel and FCoE protocols use the same interface cards. However, only one protocol is

supported per IBM FlashSystem 900 enclosure. Figure 6 shows the Fibre Channel interface card.

Figure 6. Fibre Channel interface card ( example shows a 16 Gbps Fibre Channel card )

IBM FlashSystem 900 supports the 16 Gbps Fibre Channel connection speed through the standard Fibre

Channel interface card.

Here are the rules for supporting 16 Gbps Fibre Channel on IBM FlashSystem 900:

If you use 16 Gbps Fibre Channel, only two (of the four) ports on the Fibre Channel modules can be

used. The two left-most ports (1 and 2) on each interface card are used for 16 Gbps support. If your

system is configured for 16 Gbps Fibre Channel, only the two leftmost ports (1 and 2) per interface

adapter are used. The other two ports are disabled.

If you use 16 Gbps Fibre Channel, all four of the Fibre Channel modules are configured for 16 Gbps.

This configuration supports a total of eight Fibre Channel ports for the system (2 ports x 4 interface

cards)

Four Gbps and 8 Gbps Fibre Channel connections are supported on the same system connecting to

16 Gbps devices, but there are still only a total of eight available active ports (ports 1 and 2 on each

interface card). For example, an IBM FlashSystem 900 system can have four Fibre Channel

connections at 16 Gbps and four Fibre Channel connections at 8 Gbps.

Fibre Channel interfaces support Fibre Channel Protocol (FCP) only, with point-to-point (FC-P2P),

arbitrated loop (FC-AL), and switched fabric (FC-SW) topologies. FC interfaces can be configured as

port or NL

port types. It should be noted that FC-AL is not supported for ports connected at 16

Gbps.

Full active-active multipathing across all interfaces is supported. Host software support for this

function might vary.

FlashSystem 900 Product Guide 10

Fibre Channel over Ethernet support

FlashSystem 900 supports 16 ports of 10 Gbps Fibre Channel over Ethernet. FCoE uses the same

interface cards as Fibre Channel.

Fibre Channel and FCoE Interface Cards

Each FlashSystem 900 canister supports two Fibre Channel interface cards for a total of four Fibre

Channel interface cards, 8 Gbps Fibre Channel cards support four ports, 16 Gbps cards support two

ports.

Table 2 shows the supported interface cards.

Table 2. Fibre Channel/FCoE supported interface cards

Item Feature code Ports

FC/FCoE Host Interface Card AF15

Corequisites:

AF18, AF19, or AF1A

-Up to 16 ports of 8 Gbps Fibre

Channel (with AF18)

-Up to eight ports of 16 Gbps Fibre

Channel (with AF19)

-Up to 16 ports of 10 Gbps Fibre

Channel over Ethernet (with AF1A)

8 Gb FC 8 Port Host Optics AF18 Up to 16 ports of 8 Gbps Fibre

Channel

16 Gb FC 4 Port Host Optics AF19 Up to eight ports of 16 Gbps Fibre

Channel

10 Gb FCoE 8 Port Host Optics AF1A Up to 16 ports of 10 Gbps Fibre

Channel over Ethernet

iSCSI interface card

FlashSystem 900 supports 16 ports of 10 Gbps iSCSI for clients looking for alternatives to SANs. The

iSCSI interface card looks similar to the FC/FCoE cards with fiber optical connections as shown in Figure

5 on page 5.

Table 3 shows the supported iSCSI interface card and port optics.

Table 3. iSCSI supported interface cards

Item Feature code Ports

iSCSI Host Interface Card AF17 (Corequisite : AF1D) Up to 16 ports of 10 Gbps iSCSI

10 Gb iSCSI 8 Port Host Optics AF1D Up to 16 ports of 10 Gbps iSCSI

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