Ibm DS8000 Uživatelský manuál stáhnout pdf (Strana 142)

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120 DS8000 Series: Concepts and Architecture

Figure 7-3 Data Set FlashCopy

Multiple Relationship FlashCopy

Multiple Relationship FlashCopy allows a source to have FlashCopy relationships with

multiple targets simultaneously. A source volume or extent can be FlashCopied to up to 12

target volumes or target extents, as illustrated in Figure 7-4.

Figure 7-4 Multiple Relationship FlashCopy

Note: If a FlashCopy source volume has more than one target, that source volume can be

involved only in a single incremental FlashCopy relationship.

Dataset

Volume level FlashCopy Dataset level FlashCopy

Source

Volume

Target

Volume

1’

2’

12’

Maximum 12 Target volumes

from 1 Source volume

1 2 ... 137 138 139 140 141 142 143 144 145 146 147 ... 449 450

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