[GRLUG] Mounting USB flash drive (Centos 6.3)

[Steve @ HCS]

Yes, that makes a lot of sense.   An interesting thing i did 
accidentally was to write a file to the OS folder before i mounted it.   
After mounting, it never got sent to the actual drive after i then 
mounted it.    Kind of in limbo land.
Lessons learned.   Thanks John

On 2/5/2013 11:16 PM, John Wesorick wrote:
>
> Linux uses a single filesystem hierarchy. Everything is under / (even 
> removable or network drives). When you created the folder and mounted 
> the flash drive to /mnt/usbflash you were telling the OS that your 
> flash drive can be found at /mnt/usbflash. Without mounting it, Linux 
> can't see it, since it isn't in the file system hierarchy. Does that 
> make sense?
>
> On Feb 5, 2013 11:08 PM, "Steve @ HCS" <steveg at branchadventures.org 
> <mailto:steveg at branchadventures.org>> wrote:
>
>     Thanks John,
>
>     Is the folder on the OS,  a hardware abstraction queue?
>
>     On 2/5/2013 10:53 PM, John Wesorick wrote:
>>
>>     I don't understand. You mounted your flash drive to a folder on
>>     your OS and wrote to it. That's how it works.
>>
>>     On Feb 5, 2013 10:39 PM, "Steve @ HCS"
>>     <steveg at branchadventures.org
>>     <mailto:steveg at branchadventures.org>> wrote:
>>
>>         While i'm out tonight wearing my ignorance on my shoulder,  i
>>         was wondering if someone could provide an explanation of how
>>         the below works.
>>
>>         On a VMware server running Centos, i needed to copy some sql
>>         data onto a flashdrive.  Once the USB host and device are
>>         attached to the VM,
>>         in order to be able to write to the flashdrive i:
>>
>>         fdisk -l    and got the "sdc3" that i needed
>>
>>         But i just don't understand enough about the OS to know how
>>         the below mounting works.  Why writing to the "usbflash"
>>         magically shows up on the flashdrive is a mystery to my brain.
>>
>>         mkdir /mnt/usbflash
>>         cp tmp/asdf.sql to the usbflash directory i just created
>>         mount /dev/sdc3 /mnt/usbflash
>>
>>         P.S. Above is from memory of earlier in the day so hopefully
>>         is accurate
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>>
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