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The IBM Storage product portfolio includes disk, flash, tape, NAS storage products, storage software and integrated solutions. IBM’s approach is to focus on data management. According to IBM, the company's storage portfolio helps businesses lower costs, increase the speed of accessing data, and secure the safety of their data. This approach improves "data economics" for business critical needs, data intensive solutions, or for companies that want to start with a smaller solution that can grow as needed.

Flash Storage
IBM offers a range of dedicated flash storage systems and flash storage capabilities in a number of other systems and solutions. In April 2013, the company announced a plan for a $1 billion investment in flash storage research and development to continue to enhance these capabilities. IBM acquired flash storage system maker Texas Memory Systems in 2012.

The product line-up was renewed in January 2014 with the announcement of the FlashSystem 840 and in February 2014 with the announcement of the FlashSystem V840. Both products were improved in May 2014 with new entry level capacity points and with iSCSI support added to the FlashSystem 840. In July 2014, IBM announced the FlashSystem V840 with increased performance and capacity. IBM FlashSystem products are covered under warranty against flash wear.

IBM FlashSystem V840
IBM FlashSystem V840 is a 6U rackmount with up to 40TB of usable storage capacity. The system supports a wide range of software-defined storage services including: Real-time Compression, external storage virtualization, snapshots, replication, IBM Easy Tier™, VAAI, and thin provisioning. FlashSystem V840 is targeted for workloads that need high velocity data access and advanced storage services.

IBM FlashSystem 840
FlashSystem 840 is composed of enterprise multi-level cell (eMLC) flash technology. The system is a 2U rackmount unit with up to 48TB of usable storage capacity, 40TB with RAID 5. The system supports a high-availability architecture with ECC, IBM Variable Stripe RAID, and two-dimensional flash RAID for data protection and offers hot-swap flash modules and power supplies. With read IOPS of 1,100,000 and write IOPS of 600,000, FlashSystem 840 is targeted for OLTP and OLAP databases, scientific applications and cloud solutions.

Other flash storage capabilities
IBM EXP 30 Ultra SSD I/O Drawer – 1U rackmount drawer for IBM Power System offerings. Supports up to 11.6 TB of storage and up to 480,000 IOPS

High IOPS PCIe Adapters – PCIe card adapters for IBM System x servers, offering capacities up to 2.4TB

eXFlash for System x – An internal expansion unit for IBM System x and IBM BladeCenter systems. Supports up to 1.8 TB of storage per “pack.”

DS8000
The IBM System Storage DS8000 is designed for high performance, reliability, and flexibility and works in a range of open server operating environments and the IBM System z mainframe. The DS8000 includes a range of features that automate performance optimization and application quality of service, as well as provide high levels of reliability and system uptime. The DS8000 offers specialized advanced functions optimized for IBM Power Systems and IBM System z servers. The DS8000 also can use self-encrypting drives for every drive tier to help secure data at rest.
 * DS8100
 * Dual 2-core POWER5+-based controllers
 * Can contain up to 384 drives
 * Drives can be Fibre Channel or SATA
 * DS8300
 * Dual 4-core POWER5+-based controllers (based on p570 servers)
 * Can contain up to 1024 drives
 * Drives can be Fibre Channel or SATA
 * DS8700
 * Dual 2- or 4-core POWER6-based controllers
 * 3.5" Fibre Channel drives or solid state disk
 * Can contain up to 1,024 drives
 * Drives can be 3.5” 15K RPM Drives and enterprise flash drives
 * DS8800
 * Dual 2- or 4-core POWER6+-based controllers
 * Can contain up to 1,536 drives
 * 2.5" 10K and 15K RPM Drives and SSD enterprise flash SAS-2 drives
 * 3.5" Nearline-SAS drives
 * DS8870
 * Dual 2-, 4-, 8- or 16-core POWER7-based controllers
 * Since December 2013 based on POWER7+
 * Can contain up to 1,536 drives plus 120 1.8-inch flash cards in the High-Performance Flash Enclosure (HPFE)
 * 2.5" 10K and 15K RPM Drives and enterprise flash SAS-2 drives
 * 3.5" Nearline-SAS drives
 * High Performance Flash Enclosure: integrates and optimizes flash technology in the DS8870
 * Up to 4 Flash Enclosures per System : 48 TB raw per system
 * High-performance flash enclosure fits into existing DS8870 bay

XIV
The IBM XIV Storage System is a high-end disk storage system designed to provide consistent and predictable performance, high availability and simple manageability. As virtualized storage that meshes tightly with server hypervisors, XIV is designed to work well in cloud and virtualized environments. The XIV Gen3 model offers 2, 3 or 4 TB drives, providing up to 325 TB of usable capacity per rack. SSD caching (available as an option) adds up to 12 TB of management-free high-performance data caching capability to the entire array. The system can also connect to external storage via Fibre Channel (8Gbit/s) and iSCSi (1 or 10 Gbit/s).

SONAS
IBM Scale Out Network Attached Storage (SONAS) is the IBM enterprise storage platform based on GPFS technology. This system implements NAS based protocols over a large-scale global name space. Today the system can scale out using commodity components to 30 balanced nodes and up to 14.4 PB of storage. GPFS gives the SONAS system with built-in ILM and tight integration with Tivoli Storage Manager helps move data to disk pools.

Storwize Family
IBM Storwize V7000 is a virtualizing storage system from IBM based on the software from the IBM SAN Volume Controller (SVC). It can attach to storage clients via FCP (8 and 16 Gbit/s), FCoE or iSCSI (1 or 10 Gbit/s) protocols and can use Real-time Compression to reduce disk space usage by up to 80 percent.

The Storwize V7000 Unified combines two head units running IBM Storwize File Module Software with the IBM Storwize V7000 block storage system. It is described as unified storage because it simultaneously implements NAS protocols (such as CIFS and NFS) and block storage.

IBM Storwize V5000, announced in 2013, is a mid-range virtualizing storage system offering many of the features of the V7000 in a 2U rack-mount enclosure. Storwize V5000 supports 6 Gb SAS and 1 Gb iSCSI host attachment and either 8 Gb FC or 10 Gb iSCSI/FCoE host attachment. The system can support up to 480 drives with nineteen expansion enclosures, and up to 960 drives in a two-way cluster configuration.

IBM Storwize V3700, announced on November 6, 2012, is an entry-level system designed to meet the block storage needs of small and midsize businesses. This new system offers capabilities previously available in more expensive systems to help businesses consolidate and share data at a lower price. Key hardware features include:
 * Dual controllers with up to 480 TB of capacity and 8 GB of cache
 * Up to 240 2.5-inch disk drives or 120 3.5-inch disk drives with nine expansion units
 * Host attachment through 1 Gb iSCSI ports and 6 Gb SAS ports (standard), with optional 1Gb iSCSI, 6 Gb SAS, 10 Gbit/s iSCSI/FCoE, or 8 Gb Fibre Channel expansion cards.
 * 8GB Cache (4GB per controller) standard; optional upgrade to 16GB
 * RAID levels 0, 1, 5, 6, and 10
 * Redundant, hot-swappable components (i.e., power supplies and fans)
 * AC power (110 to 240 V)

Storwize V3700 also offers management and interoperability features from previous Storwize systems, including:
 * Simple management capabilities
 * Virtualization of internal storage and thin provisioning for improved storage utilization
 * One-way data migration to easily move data onto Storwize V3700

The system also offers remote mirror, Turbo performance and FlashCopy upgrade and IBM System Storage® Easy Tier® technology to optimize usage of solid-state drives.

In October 2013, IBM announced DC powered models, NEBS and ETSI compliance and remote mirror over IP networks, using Bridgeworks SANrockIT technology to optimize the use of network bandwidth.

DS3500 Series
The DS3500 products are made for IBM by NetApp (after NetApp purchased Engenio from LSI in March 2011).
 * DS3512/DS3524
 * 6Gbit SAS single or dual-controller with two 4-lane SAS host ports on each conroller. Controller options to add (per controller) either two more 6Gbit 4-lane SAS host ports, four 8Gbit FC ports, two 10Gbit iSCSI ports or four 1Gbit iSCSI ports.
 * 2U enclosure with 12 3.5" (DS3512) or 24 2.5" (DS3524) SAS drive bays
 * Can use up to 192 drives using EXP3512 or EXP3524
 * 3U enclosure with 16 SAS or SATA drive bays

DCS3700
The IBM System Storage DCS3700 is rebranded NetApp E-Series 5400 and designed to offer performance, scalability, and storage density for high performance computing environments.
 * Dual-active intelligent array controllers enabled with Turbo Performance
 * 6Gbit SAS host ports standard with optional 8Gb Fibre Channel (FC) host ports
 * 60 SAS drive bays, with ability to scale up to 180 drives by attaching two DCS3700 Expansion Units
 * Performance model controller is also available
 * 8Gb FC ports standard on each Performance model controller with optional quad port 8 Gb FC HIC, dual port 10 Gb optic iSCSI HIC and quad port 6 Gb SAS HIC.
 * Up to 360 drives supported with five additional DCS3700EXP attached on a performance model controller enclosure.

N Series
The IBM N series solutions are rebranded NetApp FAS arrays, with multiprotocol architecture that natively implements block- and file- based protocols (FCP, iSCSI, NFS, CIFS, FCoE). The system is designed to offer application integration and storage efficiency, with block level de-duplication on primary data and other features. The N Series is offered through an OEM relationship between IBM and NetApp.

According to IBM, N series systems are designed to protect diverse business environment with simple, effective and affordable storage resource management.

N series systems offer now Clustered Data ONTAP, to support clustered architectures with up to 24-cluster nodes.

IBM System Storage N7000 series
 * Highly expandable infrastructure designed for nondisruptive expansion to more than 5.7 PB (5,760 TB) storage capacity
 * Can contain up to 1,440 drives
 * Dual (active/active) Controller configuration
 * 24 processors
 * 192 GB Random access memory

IBM System Storage N6000 series IBM System Storage N3000 series
 * Consolidates block and file data sets onto a single multiprotocol storage platform, up to 2.8 PB (2,880 TB) storage capacity
 * Can contain up to 720 drives
 * Controller configurations: Single (C), Dual (active/active) (CC), Single + IO Exp (CI), Dual (active/active) (CI-HA)
 * Up to 4 processors
 * Up to 40 GB Random access memory
 * N3000 Express systems offer integrated data access, intelligent management software and data protection capabilities
 * Can contain up to 144 drives with up to 576 TB raw storage capacity with 4 TB drives
 * Controller configurations: Single (C), Dual (active/active) (CC)
 * Up to 4 processors
 * Up to 12 GB Random access memory

TS4500 Tape Library
High density tape library supporting Linear Tape-Open (LTO) 5 and 6 or TS1140 and TS1150 drives. Can scale up to 35.5 PB of native capacity with 3592 cartridges and up to 11.7 PB with LTO 6 cartridges. Supports up to 5.5 PB in 10 sq ft.

TS3500 Tape Library
Highly scalable tape library supporting Linear Tape-Open (LTO) or TS11x0 drives. Can scale up to 16 frames, 192 drives and over 20,000 cartridges capacity per library string or up to 2,700 drives per library complex.

Tape drives

 * TS1140 - Tape drive that uses 3592 media.
 * TS1060 - LTO tape drive that uses LTO generation 6 technology for use in TS3500 tape libraries.

Tape libraries

 * TS3310 - Expandable library with up to 18 LTO drives (409 cartridges maximum with expansion modules.)
 * TS3200 - Up to four LTO drive library using half-height drive assemblies (48 cartridges) or up to two with full-height drives.
 * TS3100 - Up to two LTO drive library using half-height drive assemblies (24 cartridges) or one full-height drive.

Tape drives

 * The IBM System Storage TS2900 Tape Autoloader - Designed for entry-level automation for backup and archiving in small-to-medium business environments. The TS2900 is available with IBM Linear Tape-Open (LTO) Half-High SAS tape technology.
 * TS2360 - Full-height external standalone or rack mountable shelf unit with a native physical capacity of 2.5 TB. The IBM Ultrium 6 technology is designed to support media partitioning, IBM Linear Tape File System (LTFS) technology and encryption of data and WORM cartridges.
 * TS2260 - Half-height external standalone or rack mountable shelf unit with a native physical capacity of 2.5 TB.

Virtual tape libraries

 * TS7620 ProtecTIER Deduplication Appliance - Preconfigured repository that can be configured with either a Virtual Tape Library or Symantec OpenStorage interface with a capacity of up to 35 TB.
 * IBM Virtualization Engine TS7700 series - The TS7700 is a virtual tape library for System z (mainframe) that uses disk drives for cache to accelerate backup operations. The design is intended to protect data while having shorter backup windows. End-to-end encryption protects data in motion, on cache hard drives and on tape. TS7740 and TS7720 are designed to speed up tape backups and restores by using a tiered hierarchy of disk and tape to make more efficient use of tape drives.
 * IBM System Storage TS7650G ProtecTIER Deduplication Gateway - Designed to meet the disk-based data protection needs of the enterprise data center while reducing costs. The solution offers inline deduplication performance and scalability up to 1 petabyte (PB) of physical storage capacity per system that can provide up to 25 PB or more backup storage capacity.

SAN Volume Controller
IBM SAN Volume Controller (SVC) is a block storage virtualization system. Because the IBM Storwize V7000 uses SVC code, it can also be used to perform storage virtualization in exactly the same way as SVC. Since mid-2012 it offers real time compression with no performance impact, saving up to 80% of disk utilization. SVC can be configured on a Stretched Cluster Mode, with automatic failover between two datacenters and can have SSD (Solid State Drives) that can be used by EasyTier software to perform sub-LUN automatic tiering.

SmartCloud Storage Access
IBM SmartCloud Storage Access is a software solution designed to create a private cloud storage service on existing storage devices. The software can be configured to allow users self-service, Internet-based access for account creation, storage provisioning and file management. The software offers simple management with monitoring and reporting capabilities, including storage usage by user and group definitions.

Linear Tape File System (LTFS)
LTFS works in conjunction with LTO tape technology to simplify accessing data stored on an IBM tape cartridge. LTFS allows users to run any application designed for disk files against tape data without concern for the fact that the data is physically stored on tape.

IBM offers four options:
 * IBM LTFS Single Drive Edition - access and manage data on a standalone tape drive as if the data were on disk
 * IBM LTFS Library Edition - access and manage data on single or multiple cartridges in a tape library
 * IBM LTFS Storage Manager - manage both online and offline files in IBM tape libraries
 * IBM LTFS Enterprise Edition - run applications designed for disk files from tape storage.

Active Cloud Engine
The Active Cloud Engine (ACE) is an advanced form of multiple site replication. ACE is designed to allow different types of cloud implementations to exchange data dynamically. ACE does is designed to extend the SONAS capability for a single, centrally managed namespace, to a truly distributed, geographically-dispersed, global namespace.

IBM Easy Tier
IBM Easy Tier is designed to automate data placement throughout the disk pool to improve the efficiency and performance of the storage system. Easy Tier is designed to relocate data (at the extent level) across up to three drive tiers automatically and without disruption to application. IBM Easy Tier is available on the DS8000, Storwize V7000, Storwize V7000 Unified, Storwize V5000, Storwize V3700 and SAN Volume Controller.

Withdrawn systems

 * EXP300 (SCSI Ultra160 Expansion drawer for direct host attachment)
 * EXP400 (SCSI Ultra320 Expansion drawer for direct host or DS400 attachment)
 * DS300 (iSCSI controller)
 * DS400 (FC Attached controller, using SCSI drives)
 * DS4000 Series
 * EXP100 (1Gbit FC Expansion drawer for DS4000 attachment, using SATA disks)
 * EXP700 (2Gbit FC Expansion drawer for DS4000 attachment)
 * EXP710 (2Gbit FC Expansion drawer for DS4000 attachment)
 * EXP810 (4Gbit FC Expansion drawer for DS4000 attachment)
 * DS4100 (FC Attached controller, using SATA drives)
 * DS4200
 * DS4300
 * DS4300 Turbo
 * DS4400
 * DS4500
 * DS4700
 * DS4800
 * DS5000
 * DS5020
 * DS5100
 * DS5300
 * DS6800
 * Enterprise storage, with both FC and FICON host connection
 * PowerPC 750 dual-controller with 8 host ports and 8 drive ports
 * 3U enclosure with 16 FC drive bays
 * Attached up to 128 drives using DS6000 expansion units (1750-EX1 and 1750-EX2)
 * FAStT Series (renamed to DS4000 Series)
 * EXP200 (1Gbit FC Expansion drawer for FAStT attachment)
 * EXP500 (1Gbit FC Expansion drawer for FAStT attachment)
 * FAStT100 (renamed to DS4100)
 * FAStT200
 * FAStT500
 * FAStT600 (renamed to DS4300)
 * FAStT600 Turbo (renamed DS4300 Turbo)
 * FAStT700 (renamed to DS4400)
 * FAStT900 (renamed to DS4500)
 * Enterprise Storage Server (or ESS, or Shark; predecessor of DS8000 Series)
 * DCS9550 (based on the DataDirect Networks S2A9550)
 * STN6800
 * STN6500
 * IBM FlashSystem 820
 * IBM FlashSystem 810
 * IBM FlashSystem 720
 * IBM FlashSystem 710