IBM虚拟i/o技术消除设备的不兼容性

Furthermore Virtual SCSI allows attachment of previously unsupported storage
solutions. As long as the Virtual I/O Server supports the attachment of a storage
resource, any client partition can access this storage by using Virtual SCSI
adapters. For example, you can run Linux in a logical partition of a POWER5
server to provide support for EMC storage devices on Linux.
A Linux client partition can access the EMC storage through a Virtual SCSI
adapter. Requests from the virtual adapters are mapped to the physical
resources in the Virtual I/O Server. Therefore, driver support for the physical
resources is needed only in the Virtual I/O Server.
VIOS export出去的lv,在client分区就成了hdisk
one physical disk is partitioned into two logical volumes inside the
Virtual I/O Server. Each of the two client partitions is assigned one logical volume
which it accesses through a virtual I/O adapter (Virtual SCSI Client Adapter).
Inside the partition the disk is seen as a normal hdisk.