November 2021
Intermediate to advanced
214 pages
5h 34m
English
book
IBM HyperSwap and Multi-site HA/DR for IBM FlashSystem A9000 and A9000R
by Bert Dufrasne, Francesco Anderloni, Roger Eriksson, Andrew Greenfield, Lisa Martinez, Stephen Solewin, Vadim Steckler
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Preface
IBM® HyperSwap® is the high availability (HA) solution that provides continuous data availability in case of hardware failure, power failure, connectivity failure, or disasters. The HyperSwap capability is available for IBM FlashSystem® A9000 and IBM FlashSystem A9000R, starting with software version 12.2.1.
Version 12.3 introduces a function that combines HyperSwap and Asynchronous replication, which creates a solution that entails HA and Disaster Recovery (DR). One side of the HyperSwap pair has an active async link to the third system, and the other side has a standby link. Known as Multi-site HA/DR, this configuration provides HyperSwap active-active HA while keeping data mirrored to a third copy to ensure two levels of business ...
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