Topics: AIX, Storage, System Admin

Mounting USB drive on AIX

To familiarize yourself with using USB drives on AIX, take a look at the following article at IBM developerWorks:

http://www.ibm.com/developerworks/aix/library/au-flashdrive/

Before you start using it, make sure you DLPAR the USB controller to your LPAR, if not done so already. You should see the USB devices on your system: 

# lsconf | grep usb
+ usbhc0 U78C0.001.DBJX589-P2          USB Host Controller
+ usbhc1 U78C0.001.DBJX589-P2          USB Host Controller
+ usbhc2 U78C0.001.DBJX589-P2          USB Enhanced Host Controller
+ usbms0 U78C0.001.DBJX589-P2-C8-T5-L1 USB Mass Storage
After you plug in the USB drive, run cfgmgr to discover the drive, or if you don't want the run the whole cfgmgr, run: 
# /etc/methods/cfgusb -l usb0
Some devices may not be recognized by AIX, and may require you to run the lquerypv command: 
# lquerypv -h /dev/usbms0
To create a 2 TB file system on the drive, run:
# mkfs -olog=INLINE,ea=v2 -s2000G -Vjfs2 /dev/usbms0
To mount the file system, run:
# mount -o log=INLINE /dev/usbms0 /usbmnt
Then enjoy using a 2 TB file system: 
# df -g /usbmnt
Filesystem    GB blocks      Free %Used    Iused %Iused Mounted on
/dev/usbms0     2000.00   1986.27    1%     3182     1% /usbmnt




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