Oracle® Solaris Cluster 4.2 Hardware Administration Manual

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Updated: July 2014, E39726–01

Mirroring Internal Disks on Servers that Use Internal Hardware Disk Mirroring or Integrated Mirroring

Some servers support the mirroring of internal hard drives (internal hardware disk mirroring or integrated mirroring) to provide redundancy for node data. To use this feature in a cluster environment, follow the steps in this section.

The best way to set up hardware disk mirroring is to perform RAID configuration during cluster installation, before you configure multipathing. For instructions on performing this configuration, see the Oracle Solaris Cluster Software Installation Guide . If you need to change your mirroring configuration after you have established the cluster, you must perform some cluster-specific steps to clean up the device IDs, as described in the procedure that follows.

Note - Specific servers might have additional restrictions. See the documentation that shipped with your server hardware.

For specifics about how to configure your server's internal disk mirroring, refer to the documents that shipped with your server and the raidctl(1M) man page.