Device interfaces (expansion cabinet interfaces) in ds4800 and ds5000 ):
Device Interface (expansion cabinet Interface): for example, interface 1 and interface 2 are connected through a loop switching chip in the Controller. Therefore, interface 1 and interface 2 are connected through a channel,
Control a 4---b Control 1 forms loop to 1 (loop pair)Control a 2---b Control 3 forms loop pair 2 (loop pair)
Control a 3-B Control 1 forms a loop to 3 (loo
Chapter 2 enhanced remoteProcessing ingP423---P498Enhanced remote memory ing (ERM) --- is the previous rvm (Remote VolumeProcessing)
▲Metro tracing ing: Synchronous image mode
▲Global copy: asynchronous write mode, asynchronous copying ing without consistencyGroup
▲Global writing: asynchronous writing mode, asynchronous processing ingConsistency group
In erm, 2nd logical drives can be in read-only mode.In volumecopy, the 2nd logical drives are also in read-only mode.
After mirror is suspended, t
. If the verification is OK, firmware will be marked as ready and can be activated. If any controller Validation result is failed, both controllers will mark the firmware image as invalid and cannot be activated. An error is returned to the console.
During the activation, the first controller transfer all the Luns to another controller, and then reboot and activate the new firmware. Then it takes over the LUN, and it is the second controller upgrade. When both controllers are up, the LUN will be
Supported storage:
Ibm flex system V7000 storage node,
IBM Storwize v3700,
Storwize v3500,
IBM system storage ds8000,
IBM xiv2810,
IBM xiv2812,
IBM San volume contoller,
Clariion ax series, ax4 series,
Cx series,
Cx3 series,
Cx4 series,
Symmetrix DMX Series V-MAX Series,
Hitachi Data Systems all supported models
According to the design requirements of IBM System ctor, the following types of storage need to be managed through the provider:
). The storage infrastructure view around the server enables rapid troubleshooting.
data replication Management , which enables you to take remote mirroring, snapshot, and replica management, and supports Windows, Linux, UNIX, and System z data.
It can manage heterogeneous storage and IBM System Storage products at the same time. IBM disk support includes: IBM XIV Storage System, IBM System Storage Enterprise Storage Server Models 800 and F20, IBM System Storage DS8000, D Operations con
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