IBM Storwize V7000, Введение и руководство по внедрению

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IBM Flex System V7000 Storage Node Introduction and Implementation Guide
Compression, and Easy Tier. Virtualizing external storage helps improve administrator
productivity and boost storage utilization while also enhancing and extending the value of an
existing storage asset.
For more information about External storage virtualization, see Chapter 7, “Storage Migration
Wizard” on page 283.
1.6.2 Benefits and value proposition
With IBM Storwize V7000 and IBM Flex System V7000 Storage Node, you get the following
benefits:
򐂰
Simplified management and intuitive Graphical User Interface (GUI) aid in rapid
implementation and deployment.
򐂰 Virtualization of existing storage infrastructure improves administrator productivity.
򐂰 You can improve space utilization up to 33 - 50 percent and up to 75 percent less capacity
needed with IBM FlashCopy® snapshots.
򐂰 With IBM Storwize V7000 and IBM Flex System V7000 Storage Node IBM Real-time
Compression is designed to improve efficiency by storing up to five times as much active
primary data in the same physical disk space. By significantly reducing storage
requirements, you can keep up to five times more information online, use the improved
efficiency to reduce storage costs, or achieve a combination of greater capacity and
reduced cost.
򐂰 Storage performance is increased up to 200 percent using Easy Tier technology.
򐂰 Dynamic migration helps decreasing migration times from weeks or months to days,
eliminate the cost of add-on migration tools and provides continuous availability of
applications by eliminating downtime.
򐂰
Thin provisioning allows you to purchase only the disk capacity needed.
򐂰 With IBM Storwize V7000 and IBM Flex System V7000 Storage Node, clustered systems
support the needs of growing business while enabling you to buy additional hardware only
as needed.
1.6.3 Data Protection features
The following Data Protection features are supported with With IBM Storwize V7000 and IBM
Flex System V7000 Storage Node:
򐂰
Volume Mirroring allows a volume to remain online even when the storage pool backing it
becomes inaccessible. The mirror copy is local to the system.
򐂰 Metro Mirror is a type of Remote Copy that creates a synchronous copy of data from a
master volume to an auxiliary volume. The mirror copy is placed on a remote system and
is an exact copy of the primary volume.
򐂰
Global Mirror provides an asynchronous copy, which means that the secondary volume is
not an exact match of the primary volume at every point in time. The Global Mirror function
provides the same function as Metro Mirror Remote Copy without requiring the hosts to
wait for the full round-trip delay of the long-distance link. Like Metro Mirror, the mirror copy
is placed on a remote system.
External storage virtualization: This function is only supported over FC or FCoE
interface at this time. ISCSI is not supported for this function.