IBM System Storage DS6000 Series: Copy Services in Open Environments

372 IBM System Storage DS6000 Series: Copy Services in Open Environments

26.1 DS6000 and DS8000 Copy Services interoperability

Copy Services operations are supported between the DS6000 and the DS8000. This means

you can have a mixed Copy Services environment that contains both devices.

26.2 Preparing the environment

Before starting Copy Services operations in a mixed DS6000 and DS8000 environment, you

need to ensure this environment is set up correctly.

26.2.1 Minimum microcode levels

To manage Copy Services in a mixed environment, you need to have licensed internal code

bundle 6.0.600.9 or higher on your DS6000. You also need to have your IBM Service

Representative install code bundle 6.0.500.52 or higher on your DS8000.

26.2.2 Hardware and licensing requirements

To establish PPRC pairs between an DS6000 and a DS8000, the DS6000 and the DS8000

must both have Remote Mirror and Copy (RMC) licenses.

The DS6000 and DS8000 must also have Fibre Channel adapters that have connectivity to

each other, either directly or through Fibre Channel switches. ESCON adapters cannot be

used to mirror a DS6000 with a DS8000.

26.2.3 Network connectivity

Network connectivity requirements depend on how you want to manage the environment. If

you plan to use System z interfaces such as TSO or ICKDSF, there are no network

connectivity requirements. The commands are sent inband through FICON or ESCON. If,

however, you plan to use the DS CLI or the DS GUI, your requirements are as follows:

򐂰 For FlashCopy management:

– If you want to use the DS8000 DS GUI to manage FlashCopy on the DS6000, then you

need network connectivity between the DS8000 HMCs and the DS6000 SMCs.

– If you want to use the DS6000 DS GUI to manage FlashCopy on the DS8000, then you

need network connectivity between the DS8000 HMCs and the DS6000 SMCs.

– If you want to use the DS CLI to manage FlashCopy on either the DS6000 or the

DS8000, then the DS8000 HMCs and the DS6000 SMCs do not need to be connected

by a network. However, the server on which the DS CLI is installed must have network

connectivity to both the SMC and the HMC.

– If you have PPRC links between the DS6000 and DS8000, you can also use remote

FlashCopy to establish FlashCopies of the Remote Mirror target volumes.

򐂰 For creating Remote Mirror and Copy (RMC), also known as Peer-to-Peer Remote Copy

(PPRC) paths and pairs:

– In a mixed environment, one system is the source (local) and one is the target. If you

want to be able to manage the PPRC paths and pairs from either machine, then you

need network connectivity between the DS6000 SMC and the DS8000 HMC. If you

use DS CLI, the SMC and HMC must be able to communicate with each other, but the

DS CLI machine must be able to communicate with both the HMC and the SMC.