September 2005
Intermediate to advanced
950 pages
113h 41m
English
book
IBM TotalStorage: SAN Product, Design, and Optimization Guide
by Jon Tate, Jim Kelly, Pauli Rämö, Leos Stehlik
Content preview from IBM TotalStorage: SAN Product, Design, and Optimization Guide
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724 IBM TotalStorage: SAN Product, Design, and Optimization Guide
Figure 20-11 Scenario after adding two more Cisco MDS 9140 switches
20.3.7 What if failure scenarios
Here are the what if scenarios we considered:
Server
Application on that server not available. HA/CMP will failover to the backup
cluster node and start applications there. The failed server will have to be
replaced.
HBA
If one of the HBAs fails, multipath software will automatically failover the
workload to the alternate HBA. Because we have enough bandwidth, there
will be no impact on the performance.
Cable
If a cable between a server and the switch fails, multipath software will ...
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