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12 DS8000 Series: Concepts and Architecture
DS8000 compared to DS6000
DS6000 and DS8000 now offer an enterprise continuum of storage solutions. All copy
functions (with the exception of Global Mirror for z/OS Global Mirror, which is only available
on the DS8000) are available on both systems. You can do Metro Mirror, Global Mirror, and
Global Copy between the two series. The CLI commands and the GUI look the same for both
systems.
Obviously the DS8000 can deliver a higher throughput and scales higher than the DS6000,
but not all customers need this high throughput and capacity. You can choose the system that
fits your needs. Both systems support the same SAN infrastructure and the same host
systems.
So it is very easy to have a mixed environment with DS8000 and DS6000 systems to optimize
the cost effectiveness of your storage solution, while providing the cost efficiencies of
common skills and management functions.
Logical partitioning with some DS8000 models is not available on the DS6000. For more
information about the DS6000 refer to The IBM TotalStorage DS6000 Series: Concepts and
Architecture, SG24-6471.
1.3.2 Common management functions
The DS8000 series offers new management tools and interfaces which are also applicable to
the DS6000 series.
IBM TotalStorage DS Storage Manager
The DS Storage Manager is a Web-based graphical user interface (GUI) that is used to
perform logical configurations and Copy Services management functions. It can be accessed
from any location that has network access using a Web browser. You have the following
options to use the DS Storage Manager:
Simulated (Offline) configuration
This application allows the user to create or modify logical configurations when
disconnected from the network. After creating the configuration, you can save it and then
apply it to a network-attached storage unit at a later time.
Real-time (Online) configuration
This provides real-time management support for logical configuration and Copy Services
features for a network-attached storage unit.
IBM TotalStorage DS Command-Line Interface (DS CLI)
The DS CLI is a single CLI that has the ability to perform a full set of commands for logical
configuration and Copy Services activities. It is now possible to combine the DS CLI
commands into a script. This can enhance your productivity since it eliminates the previous
requirement for you to create and save a task using the GUI. The DS CLI can also issue Copy
Services commands to an ESS Model 750, ESS Model 800, or DS6000 series system.
The following list highlights a few of the specific types of functions that you can perform with
the DS Command-Line Interface:
Check and verify your storage unit configuration
Check the current Copy Services configuration that is used by the storage unit
Create new logical storage and Copy Services configuration settings
Modify or delete logical storage and Copy Services configuration settings