Dell PowerVault MD3060e Series Uitrolhandleiding - Pagina 17

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Linux

There are three configurations supported for Linux host servers:

•

Single Path — This configuration utilizes a simplified cabling scheme, but does not provide

redundancy or fault tolerance. It should only be used when the operating system or a higher-level

application is being utilized for data resiliency.

•

Symmetric Multipath — A cascading configuration that provides path redundancy, but does not

provide against enclosure loss.

•

Asymmetric Multipath — High availability configuration that allows the host server to reach any

enclosure if a path or single enclosure is lost

For multipath configurations, Linux Device Mapper Multipath (DMMP) must be configured. Dell

recommends the Failover Policy. To ensure proper functionality, verify the following values are set

in /etc/multipath.conf:

•

path_grouping_policy failover

•

failback manual

NOTE: For more details on supported Linux OS's please see the MD3060 Storage Enclosure Support

Matrix.