Configuring device mapper multipath

Red Hat Enterprise Linux 8

Configuring and managing the Device Mapper Multipath feature

Red Hat Customer Content Services

Abstract

With Device mapper multipathing (DM Multipath), you can configure multiple I/O paths between server nodes and storage arrays into a single device. These I/O paths are physical Storage Area Network (SAN) connections that can include separate cables, switches, and controllers.

Multipathing aggregates the I/O paths and creates a new device that consists of the aggregated paths.

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