IBM FlashSystem 710 Manuel utilisateur

IBM FlashSystem 710 and IBM FlashSystem 810 1

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IBM FlashSystem 710 and IBM FlashSystem 810

IBM Redbooks Product Guide

IBM® FlashSystem™ 710 and IBM FlashSystem 810 storage systems deliver high performance,

efficiency, and reliability for shared enterprise storage environments, helping clients around the world

address performance issues with their most important applications and infrastructure. These storage

systems can either complement or replace traditional hard drive arrays in many applications, including

online transaction processing (OLTP), business intelligence (BI), online analytical processing (OLAP),

virtual desktop infrastructures, high-performance computing, and content delivery solutions (such as

cloud storage and video on demand).

As standard shared primary data storage devices, FlashSystem 710 and FlashSystem 810 storage

systems deliver performance beyond that of most traditional arrays, even those that incorporate SSDs or

other flash technology. These storage systems can also be used as the top tier of storage alongside

traditional arrays in tiered storage architectures such as the IBM Easy Tier® functionality available in IBM

System Storage® SAN Volume Controller or IBM Storwize® V7000 storage virtualization platforms.

Based on single level cell (SLC) flash, FlashSystem 710 is targeted to write-heavy enterprise workloads;

enterprise multi level cell (eMLC) flash-based FlashSystem 810 is targeted to read-heavy workloads,

where workload is distributed across multiple servers.

Figure 1 shows FlashSystem 710 and FlashSystem 810.

Figure 1. FlashSystem 710 and FlashSystem 810

Did you know?

IBM FlashSystem storage systems deliver up to 570,000 read IOPS and up to 5 GBps bandwidth with

less than 100 microseconds latency, while they provide up to 10 TB of usable data storage just in 1U of

rack space.

IBM FlashSystem storage systems offer enterprise-level availability and reliability with multiple layers of

data correction, chip redundancy, and redundant hot swap components.

IBM FlashSystem 710 and IBM FlashSystem 810 2

Key features

IBM FlashSystem storage systems deliver advanced performance, scalability, reliability, security, and

energy-efficiency features. FlashSystem 710 and FlashSystem 810 storage systems are the appropriate

choice for enterprise environments with the following characteristics: high storage performance

requirements, such as low latency (microseconds as opposed to milliseconds), high bandwidth (gigabytes

per second), or high IOPS (hundreds of thousands of I/O requests per second).

Scalability and performance

The FlashSystem storage systems offer numerous features to boost performance and improve scalability:

FlashSystem storage systems can provide more than 500,000 IOPS and up to 5 GBps bandwidth for

storage I/O-intensive enterprise workloads.

FlashSystem 810 can scale up to 10 TB storage capacity in 2 TB increments, while FlashSystem 710

supports up to 5 TB in 1 TB increments.

A single 42U rack containing 42 1U FlashSystem storage systems can provide up to 420 TB storage

capacity with more than 20,000,000 IOPS and up to 210 GBps bandwidth.

FlashSystem storage systems support up to 1,024 logical volumes.

FlashSystem storage systems offer choice of 8 Gb Fibre Channel or 40 Gb QDR InfiniBand

connectivity to match the performance of most demanding I/O intensive applications.

Availability and serviceability

The FlashSystem storage systems provide many features to simplify serviceability and increase system

uptime:

FlashSystem storage systems use overprovisioning and advanced wear leveling techniques to

dramatically improve write endurance of the flash modules to extend their lifetime.

FlashSystem storage systems offer multiple layers of data protection (ECC, Variable Strip RAID and

Active Spare) to prevent a flash module failure.

FlashSystem storage systems offer two redundant hot-swap power supplies and eight dual-motor

non-hot-swap redundant fans to provide cost-efficient availability for applications.

Easy-to-read LCD display indicates system errors to lead the technician to failed (or failing)

components. This panel simplifies servicing and speeds up problem resolution, helping improve

system availability.

Two redundant batteries help prevent data loss by backing up data in RAM buffers allowing them to

be written to a flash module in case of power failure.

The built-in management module continuously monitors system parameters, triggers alerts, and

performs recovery actions in case of failure, to minimize downtime.

One-year customer replaceable unit and on-site limited warranty, next business day 9x5. Optional

service upgrades available.

IBM FlashSystem 710 and IBM FlashSystem 810 3

Manageability and security

Powerful systems management features simplify local and remote management of the FlashSystem

storage systems:

FlashSystem storage systems have a built-in LCD display allowing to perform basic configuration,

management, and monitoring tasks, simplifying administration.

FlashSystem storage systems include a management module to monitor server availability and

perform remote management.

The management module provides extensive security features, including role-based user

authentication and access control, LDAP support, and SSH protocol for secure remote systems

management.

LUN masking feature allows to control access to a logical volume from the host side to prevent

unauthorized data access and modification.

Energy efficiency

The FlashSystem storage systems offer the following energy-efficiency features to save energy, reduce

operational costs, increase energy availability, and contribute to a green environment:

Energy-efficient flash components help lower operational costs.

FlashSystem storage systems offer one of industry's best IOPS per watt ratio enabling greater energy

savings.

FlashSystem storage systems use hexagonal ventilation holes, a part of IBM Calibrated Vectored

Cooling™ technology. Hexagonal holes can be grouped more densely than round holes, providing

more efficient airflow through the system.

IBM FlashSystem 710 and IBM FlashSystem 810 4

Locations of key components and connectors

Figure 2 shows the internal components of the FlashSystem unit.

Figure 2. Internal view of the FlashSystem unit

Figure 3 shows the rear of the FlashSystem unit with the Fibre Channel interfaces.

Figure 3. Rear view of the FlashSystem unit with the Fibre Channel interfaces

Figure 4 shows the rear of the FlashSystem unit with the InfiniBand interfaces.

Figure 4. Rear view of the FlashSystem unit with the InfiniBand interfaces

IBM FlashSystem 710 and IBM FlashSystem 810 5

Specifications

Table 1 lists the specifications.

Table 1. Specifications

Specification FlashSystem 710 FlashSystem 810

Form factor 1U rack-mounted unit

Flash module quantity 20+1

Flash module type Single level cell (SLC) Enterprise multi level cell (eMLC)

Flash module capacity 256 GB 512 GB

Maximum capacity Up to 5 TB with up to 20 flash modules with

1 TB increments*

Up to 10 TB with up to 20 flash modules with

2 TB increments*

Flash module

protection

Overprovisioning, wear leveling, CRC checksum, ECC, and module-level Variable Stripe

RAID (standard); Active Spare (optional).

RAID support No RAID (JBOF mode) or RAID 0 across flash modules

Host interfaces 4x 8 Gb Fibre Channel (FC) or 4x 40 Gb QDR InfiniBand

Read IOPS** 570,000 550,000

Write IOPS** 400,000 (FC); 470,000 (InfiniBand) 400,000 (FC); 470,000 (InfiniBand)

Read bandwidth*** 3.3 GBps (FC); 5 GBps (InfiniBand) 3.3 GBps (FC); 5 GBps (InfiniBand)

Write bandwidth*** 3.3 GBps (FC); 4.5 GBps (InfiniBand) 2.8 GBps (FC); 2.8 GBps (InfiniBand)

Read latency 100 µs 110 µs

Write latency 60 µs 60 µs

Systems management LCD display with four control buttons; management module with one RJ-45 GbE port

Cooling Eight redundant non-hot-swap fans; each fan has two motors

Power supply Two redundant hot-swap 100 - 240 V ac auto-sensing power supplies

Input power 280 W 350 W

Heat dissipation 955 BTU/hr 1194 BTU/hr

Hot-swap parts Power supplies.

Security features Role-based user security, SSH, LDAP, and LUN masking

Platforms supported IBM System x®, IBM Power Systems™, non-IBM x86 servers; Windows, Linux, IBM AIX®,

VIOS operating systems

Limited warranty One-year on-site limited warranty with 9x5 next business day response

Service and support Optional warranty service upgrades and post-warranty services are available: on-site with

24x7 2-hour, 24x7 or 9x5 same day, or 9x5 next business day response

Dimensions Height: 44 mm (1.7 in.), width: 432 mm (17.0 in), depth: 569 mm (22.4 in)

Weight 13.6 kg (30 lb)

* Flash modules are installed in sets of four.

** 4 KB I/O block size.

*** 256 KB I/O block size.

IBM FlashSystem 710 and IBM FlashSystem 810 6

Models

Table 2 lists the FlashSystem 710 and FlashSystem 810 models.

Table 2. Models

Description Machine type-model

IBM FlashSystem 710 9830-AS1

IBM FlashSystem 810 9830-AE1

The FlashSystem 710 and FlashSystem 810 storage systems are shipped with the following items:

Statement of Limited Warranty

Quick start guide

Documentation CD containing

Installation and User's Guide

Fixed mount rail kit

Two IEC 320-C13 to C14 rack PDU power cords

The FlashSystem 710 and FlashSystem 810 storage systems require interface and flash modules to be

ordered with the base model. See "Interface modules" and "Flash modules" sections for details.

Interface modules

FlashSystem 710 and FlashSystem 810 support either 8 Gb Fibre Channel (FC) or 40 Gbps InfiniBand

connectivity with the interface modules shown in Table 3 (only one feature can be selected).

Table 3. Supported interface modules

Description Feature code

Maximum quantity

supported

8 Gb FC 4 Port Ext Int AF04 1

IB QDR 4 Port Ext Int AF05 1

Each interface module feature code contains two dual-port cards (either 8 Gb Fibre Channel or QDR

InfiniBand) for a total of four ports in the system. FC interface modules come standard with four (one per

each port) 8 Gb FC shortwave SFP+ transceivers with LC duplex connector. InfiniBand interface modules

have QSFP receptacles.

FC 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 N

port or NL

port

types. InfiniBand interfaces support SCSI RDMA Protocol (SRP) only. Dual-port interface modules

support full active-active load balancing and failover multi-pathing, though host software support for this

function can vary.

IBM FlashSystem 710 and IBM FlashSystem 810 7

Flash modules

FlashSystem 710 and FlashSystem 810 provide configurable capacity and optional spare feature with the

flash modules listed in Table 4 and Table 5 respectively.

Table 4. Supported flash modules: FlashSystem 710

Description Feature code

Maximum quantity

supported

Base SLC flash module packs (only one pack can be ordered)

1TB SLC (4-pack) AF00 1

2TB SLC (8-pack) AF0G 1

3TB SLC (12-pack) AF06 1

4TB SLC (16-pack) AF0H 1

5TB SLC (20-pack) AF07 1

Spare SLC flash module (optional)

Active Spare SLC Protection* AF01 1

MES upgrade

Upgrade - 1TB SLC (4-pack)** AF08 4

* Optional feature that provides one additional SLC flash module preinstalled within the system for use as a spare for

manually initiated data migration in case of failure of another flash module.

** SLC MES upgrade that increases a total usable capacity in the existing system by approximately 1 TB for a

maximum of 5 TB.

Table 5. Supported flash modules: FlashSystem 810

Description Feature code

Maximum quantity

supported

Base eMLC flash module packs (only one pack can be ordered)

2TB eMLC (4-pack) AF0I 1

4TB eMLC (8-pack) AF0L 1

6TB eMLC (12-pack) AF09 1

8TB eMLC (16-pack) AF0P 1

10TB eMLC (20-pack) AF0A 1

Spare eMLC flash module (optional)

Active Spare eMLC Protection* AF0J 1

MES upgrade

Upgrade - 2TB eMLC (4-pack)** AF0B 4

* Optional feature that provides one additional eMLC flash module preinstalled within the system for use as a spare for

manually initiated data migration in case of failure of another flash module.

** eMLC MES upgrade that increases a total usable capacity in the existing system by approximately 2 TB for a

maximum of 10 TB.

FlashSystem 710 flash modules use 32 nm SLC flash chips, nominally rated for 100,000 program/erase

IBM FlashSystem 710 and IBM FlashSystem 810 8

(

)

cles. Each FlashS

stem 710 flash module has a raw capacit

of approximatel

340 GB, and a

usable capacity of approximately 250 GB after overprovisioning and Variable Stripe RAID overhead.

FlashSystem 810 modules use 32 nm eMLC flash chips, nominally rated for 30,000 P/E cycles. Each

FlashSystem 810 module has a raw capacity of approximately 680 GB, and a usable capacity of

approximately 500 GB after overprovisioning and Variable Stripe RAID overhead.

Important: Flash module types cannot be mixed within a system.

The following flash module protection technologies are supported:

Module-level Variable Stripe RAID

Error correcting codes (ECC) to provide reconstruction of data from flash chips

Checksums and data integrity fields protecting all internal data transfers within the system

Overprovisioning to enhance write endurance and decrease write amplification

Wear leveling algorithms that balance the number of writes among flash chips throughout the system

Sweeper algorithms that ensure all data within the system is read periodically to avoid data fade

issues

Optional Active Spare feature to manually migrate data from the failing module

In addition, FlashSystem 710 and FlashSystem 810 include two redundant batteries that are used to

destage lookup tables and data from RAM buffers to the flash storage in case of power failure.

Two modes of operation are supported by the systems:

RAID 0

JBOF (

ust a bunch of flash)

In a RAID 0 mode, data is striped across all available flash modules in a traditional RAID 0 layout (stripe

size 4 KB). Up to 1024 logical volumes (sometimes referred to as LUNs) can be created in the system,

with a minimum size of 1 GB and a maximum size of the full available system capacity.

JBOF mode allows each flash module to be treated separately without striping data across the modules.

In JBOF mode, each flash module corresponds to a single logical volume.

In either mode, failures of a single flash module containing data will most likely compromise system data

integrity for logical volumes stored on those flash modules. Data must be replicated independently of

FlashSystem 710 and FlashSystem 810 storage systems for protection against complete flash module

failures. Under the direction of the management module, the systems can coordinate data transfer

between modules; for example, to migrate data to the Active Spare module in the system, if installed.

(Note that such a data migration is a manually initiated process.)

Important: IBM recommends implementing a data replication strategy in high availability environments to

maximize data availability beyond the protections available within individual FlashSystem 710 and

FlashSystem 810 storage systems.

IBM FlashSystem 710 and IBM FlashSystem 810 9

Network cables

FlashSystem 710 and FlashSystem 810 support network cables shown in Table 6.

Table 6. Supported cables

Description Feature code

Maximum quantity

supported

Fibre Channel cables (supported on Fibre Channel ports)

1 m Fiber Cable (LC-LC) 3700 4

5 m Fiber Cable (LC-LC) 3701 4

InfiniBand cables (supported on InfiniBand ports)

1 m IBM QSFP Cop IB A0RD 4

3 m IBM QSFP Cop IB A0RE 4

3 m IBM QSFP Opt QDR IB 5989 4

10 m IBM QSFP Opt QDR IB 5990 4

1 m Mlnx QSFP Cop FDR14 IB A2YG 4

3 m Mlnx QSFP Cop FDR14 IB A2YH 4

3 m Mlnx QSFP Opt FDR14 IB A2YL 4

10 m Mlnx QSFP Opt FDR14 IB A2YN 4

Network management port supports 1000BASE-T connectivity and requires UTP Category 5, 5E, or 6

cable with RJ-45 connector (up to 100 meters).

IBM FlashSystem 710 and IBM FlashSystem 810 10

Power cords

FlashSystem 710 and FlashSystem 810 come standard with two 2.8m, 10A/100-250V, IEC 320-C13 to

C14 rack PDU power cords. Optionally, country-specific line cords can be ordered if needed. (See Table

7.)

Table 7. Supported line cords

Description

Feature code or part

number

Maximum quantity

supported

Line cord - 2.8m (China) 6210 2

Line cord - 2.8m (AS/NZ) 6211 2

Line cord - 2.8m (Europe) 6212 2

Line cord - 2.8m (Denmark) 6213 2

Line cord - 2.8m (S. Africa) 6214 2

Line cord - 2.8m (UK) 6215 2

Line cord - 2.8m (Swiss) 6216 2

Line cord - 2.8m (Ita/Chile) 6217 2

Line cord - 2.8m (Israel) 6218 2

Line cord - 2.8m (S Korea) 6219 2

Line cord - 2.8m (Argentina) 6222 2

Line cord - 2.8m (India) 6269 2

Line cord - 2.8m (Japan) 6314 2

Line cord - 2.8m 120V (US) 6313 2

Line cord - 2.8m (Taiwan) 6386 2

Line cord - 2.8m (Brazil) 6532 2

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