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Oracle® VM Server for SPARC 3.4 Administration Guide

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Updated: August 2016

Virtual SCSI HBA and SCSI

The vhba module proxies SCSI commands to the physical SCSI HBA driver that is associated with the virtual SAN's SCSI initiator port.

The scsi_vhci driver, which implements Oracle Solaris I/O multipathing, handles reservation persistency during path failover for both SCSI-2 reservations and SCSI-3 reservations. The vhba module plugs in to the Oracle Solaris I/O framework and thus supports SCSI reservations by leveraging the scsi_vhci support.