Info volume cRIO 9030 to connected USB drive

I want to display the available disk space for a USB stick plugged into a cRIO-9030 running Linux Realtime (path to the drive is/u).  It is a data logging application that can run for a month with users looking only to see that things are run OK, which they won't if disk space wears.  I tried to get information of Volume and the file Info screws, but both give me nonsense values.  It seems that the Volume of information VI get always reports on the internal disk (/ C) any way I use, I can't see how much space I have on the drive/u.  I plugged into different USB drives with different capacities and free amount, but I still get the same values of the VI, which differ from what MAX brings to the reader/c, but are the closest values for this player than anything else.  I also get a useless value of the VI of information from file/Direcory, which seems to be pointing out how many files is at the root of the drive, not its quality or its free space.  Any suggestions about how to get free space and capacity of a USB key connected to the cRIO?

bjlv

Odd. I just tried this on my own target RT Linux (running LVRT 2014) and it seems to work as you expect, where to get the Volume information on ' / u ' returns the available space on the Flash DRIVE and is certainly different from what I get from the internal drive. I see a bug (?) where there's just ' / ' was not taken in charge, what should be on Linux:

/ (or/u) u is actually a symbolic link to where the drive is actually mounted as/media/sda1 or/media/sdc1. (/ u is provided as a convenience of compatibility for porting the applications of Phar Lap or VxWorks.) You get the same result using the actual mounting location? You have access to a shell to the target? If so, that shows "df"?

Tags: NI Hardware

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