USB flash drive support
Beginning with AIX® 5.3 with the Technology Level 5300-09 and AIX 6.1 with the Technology Level 6100-02, Universal Serial Bus (USB) flash drives are supported.
Support for these devices is included in the following device package:
AIX support for USB flash
drives is validated against a sample of industry standard OEM USB
flash drives. Device drivers for the AIX USB-host
controller support USB 2.0. USB flash drives are configured with logical
names, such as
and they present both raw and block special files. For example, the
raw special file for
usbms0 is /dev/rusbms0,
and the block special file is
/dev/usbms0. Before AIX Version 5.3 with the 5300-11
Technology Level and AIX Version
6.1 with the 6100-04 Technology Level, USB flash drives were configured
The International Organization for Standardization (ISO) file system (read-only ISO 9660) is supported on these drives. You can create a system backup on the drives by using the tar command, cpio command, or the backup or restore archives. You can also use the dd command to add the ISO images to the drives.
cfgmgr -l usb0
rmdev -l usbmsn
When a drive is in the available state, you can reconnect it to the system, and it can be remounted or reopened. If a drive is disconnected from a system USB port while it is still open to a user, that drive is not reusable until the user closes and reopens it.