/sys/devices/pci0000:00/0000:00:1f.2/ata4/link4/
/sys/devices/pci0000:00/0000:00:1f.2/ata4/link4
NameSizeModeActions
ata_link/-0755rm
dev4.0/-0755rm
power/-0755rm
uevent40960644editdlrm
Delete dev4.0 ?
cmd: