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.
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.