System information
(the cable, switch, or controller) fails, DM-Multipath switches to an alternate path.
Impro ved Perf ormance
DM-Multipath can be configured in active/active mode, where I/O is spread over the paths in
a round-robin fashion. In some configurations, DM-Multipath can detect loading on the I/O
paths and dynamically re-balance the load.
Important
For comprehensive information on the deployment and configuration of DM-Multipath in your
environment, refer to the Using DM-Multipath guide provided by Red Hat.
Chapt er 2 6 . Device Mapper Mult ipat hing and Virt ual St orage
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