Setup requirements and restrictions for mirrored HA pairs

The restrictions and requirements for mirrored HA pairs include those for a standard HA pair with these additional requirements for disk pool assignments and cabling.

• You must ensure that your pools are configured correctly:

  • Disks in the same plex must be from the same pool, with those in the opposite plex from the opposite pool.

  • There must be sufficient spares in each pool to account for a disk failure.

  • Both plexes of a mirror should not reside on the same disk shelf because it might result in a single point of failure.

• The storage failover command's -mode option must be set to ha.