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Chapter 1. Introduction to the DS8000 series 11
physically located (installed) inside the DS8000 subsystem and can automatically monitor the
state of your system, notifying you and IBM when service is required.
The S-HMC is also the interface for remote services (call home and call back). Remote
connections can be configured to meet customer requirements. It is possible to allow one or
more of the following: call on error (machine detected), connection for a few days (customer
initiated), and remote error investigation (service initiated). The remote connection between
the management console and the IBM service organization will be done via a virtual private
network (VPN) point-to-point connection over the internet or modem.
The DS8000 comes with a four year warranty on both hardware and software. This is
outstanding in the industry and shows IBM’s confidence in this product. Once again, this
makes the DS8000 a product with a low total cost of ownership (TCO).
1.3 Positioning
The IBM TotalStorage DS8000 is designed to provide exceptional performance, scalability,
and flexibility while supporting 24 x 7 operations to help provide the access and protection
demanded by today's business environments. It also delivers the flexibility and centralized
management needed to lower long-term costs. It is part of a complete set of disk storage
products that are all part of the IBM TotalStorage DS Family and is the IBM disk product of
choice for environments that require the utmost in reliability, scalability, and performance for
mission-critical workloads.
1.3.1 Common set of functions
The DS8000 series supports many useful features and functions which are not limited to the
DS8000 series. There is a set of common functions that can be used on the DS6000 series
as well as the DS8000 series. Thus there is only one set of skills necessary to manage both
families. This helps to reduce the management costs and the total cost of ownership.
The common functions for storage management include the IBM TotalStorage DS Storage
Manager, which is the Web-based graphical user interface, the IBM TotalStorage DS
Command-Line Interface (CLI), and the IBM TotalStorage DS open application programming
interface (API).
FlashCopy, Metro Mirror, Global Copy, and Global Mirror are the common functions regarding
the Advanced Copy Services. In addition to this, the DS6000/DS8000 series mirroring
solutions are also compatible between IBM TotalStorage ESS 800 and ESS 750, which offers
a new era in flexibility and cost effectiveness in designing business continuity solutions.
DS8000 compared to ESS
The DS8000 is the next generation of the Enterprise Storage Server, so all functions which
are available in the ESS are also available in the DS8000 (with the exception of Metro/Global
Copy). From a consolidation point of view, it is now possible to replace four ESS Model 800s
with one DS8300. And with the LPAR implementation you get an additional consolidation
opportunity because you get two storage system logical partitions in one physical machine.
Since the mirror solutions are compatible between the ESS and the DS8000 series, it is
possible to think about a setup for a disaster recovery solution with the high performance
DS8000 at the primary site and the ESS at the secondary site, where the same performance
is not required.