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When creating new shared storage domains in an Oracle Linux KVM environment, the user is limited to certain storage types. They are the following and appear in Figure 19:
Figure 19. Storage type options for a storage domain
Putting aside GlusterFS which is not a storage protocol, PowerFlex supports two of these options, NFS and Fibre Channel (FC). While PowerFlex has native NFS support, it does not have FC support. Technically, however, the storage domain wizard is not looking for FC-presented devices, rather it is simply scanning for SCSI devices. So despite PowerFlex presenting volumes over the IP network, if the Oracle Linux KVM host is configured properly, Oracle Linux Virtualization Manager finds PowerFlex volumes that are mapped to the hosts through the Storage Data Client, or SDC. These volumes are regular SCSI devices, just like those presented with iSCSI or FC. Oracle Linux KVM thus treats PowerFlex devices that SDS presents as legitimate storage for the shared storage domain.
Oracle Linux KVM has specific requirements for each storage type that is used in a storage domain. The next sections cover the types that are supported with PowerFlex.