With this HBA, no drives will be visible to the OS until you have created at least one logical drive. This section describes how to verify that the logical drive you created for the HBA has a valid Oracle Solaris label, and therefore can be recognized by the OS. Sometimes, logical drives need to be relabeled using the format command (in the case of SPARC systems) or the fdisk command (in the case of x86 systems) in order to be recognized.