IBM’s latest System Storage DS Express family gives SMBs an In this exclusive review we put the DS model through its paces to see if it has Both models have a single hot-swap controller module which can be IBM has dual-port 6Gbps SAS or four-port 8Gbps FC and Gigabit iSCSI options. Page 1 of 2 IBM System Storage DS Express review. 1. but there’s room for a daughtercard, and IBM offers dual-port 6Gbits/sec SAS or Each controller has an embedded port SAS expander linked to its expansion. Description: IBM System Storage DS Express Dual Controller Storage System Part Number(s) IBM Part# A2D. Overview: The IBM System Storage .

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1746-c2a IBM Ds3512 12 Bay Dual Controller Storage

Feature PN 68Y is a corequisite. Supported on Model E2A only. Upgrade 81Y Host Kits: The DS with a single controller provides an entry solution with low initial investment The DS with dual controllers offers higher performance The DS dual controller with the Turbo Performance option offers the highest level expres performance Furthermore, the ability to later upgrade your DS to dual controllers and Ds33512 performance options offers a way to protect your initial investment in a DS entry solution.

Maximum allowed applies to total quantity of x features.

This feature is required for both the primary and remote machines. This model is configured with two environmental services modules ESM. As a convenience, a limited selection of cables can be ordered with your EXP Upgrade 68Y Volume Copy: When installed on a DS dual controller system, both cards must be configured to run at the same link speed.


The DS dc-powered model ccontroller With direct attachment support and the capability to be shared by multiple host servers, the DS with SAS provides ease-of-use and simplicity at an affordable price.

System Storage DS * 1GB cache, sngl ctrller, 2x6G SAS ports

Mutually exclusive with feature PN 68Y Function provided without charge when the DS is upgraded to controller firmware v7. The total volumes per system cannot exceed the limits stated above under maximum volumes per system.

With these encryption services, FDE key management is transparent to day-to-day storage administration, making SED drives as easy to manage as traditional drives. Asynchronous mirroring includes a write consistency option designed to ensure that writes to the remote system complete in the same order as the local system. Both ports on a card will run at the same link speed. exprses

Additional transceivers can be ordered using feature PN 00W The DS Storage Manager maintains and controls the key linkage and communications with the SED drives, secures user-selected logical drive groups, and can even initiate an instant secure erase feature when servicing, decommissioning, or repurposing drives.

Supported on Model C2A only. Features – No charge. This is a nearline disk drive. Base No Longer Available as of June 21, This feature provides an activation key to the enable the Remote Mirror function with support for eight mirror pairs per system. The DS delivers affordable, entry-level configurations for small and medium businesses in compact 2U, inch rack mount enclosures, with the flexibility to scale in capacity, performance, host interfaces, and advanced functions as your business grows or requirements change.

The DS brings the following new functions into the DS series family: SAS host interface ports are standard on all DS models. Rich set of data replication functions for business continuity needs FlashCopy creates a capacity-efficient, point-in-time copy of a physical volume for data protection uses, such as file restoration and backup.


Contact your IBM sales representative or business partner to obtain a copy of the test result documents.

Feature PN 68Y is a required corequisite. This card can be configured to run at either a 1Gb or 10Gb link speed. Volume Copy creates a physical copy of a volume.

For the DS DC, controkler feature requires controller firmware level It provides an activation key to increase the quantity of FlashCopy images supported per physical volume from two to four and it enables the Volume Copy function with support for eight active Volume Copy processes, with: In many situations, the required lengths and installation of host attachment cables will be unique to each customer’s configuration and facility specifications.

Upon completion of the Volume Copy process, the new volume can be mapped dusl any host and functions as a standard volume. The DS flexibility and options also extends to the disk drives. Disk drives are not included with the base model. These cables must be customer-supplied and is not available for ordering with the DS Additional transceivers can be ordered using feature PN 69Y This refers to a total of hours in any given year, but no more than 15 occurrences during that one-year period.

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