Stale devices can be left behind in the Fibre Channel over Ethernet (FCoE) environment when SnapDrive for UNIX operations fail due to configuration issues and SnapDrive for UNIX these stale devices are not automatically deleted.
Run either the native re-scan script provided by the vendor to remove all old entries or the re-scan script using the command rescan-scsibus.sh –r which is included with sg3 packages.