USB Drives (Revisited)

A couple of weeks ago or so, Robert Crowe and I were concerned with USB
drives - how to identify them and where to mount them. Here are some of
my discoveries:

1. I am using Debian/GNU Linux with 2.6.x kernel with the "magic" device
system. That is, /dev is not full of a gazillion devices. It does have
some basic stuff, for example, I find the SCSI drive devices: sda, sdb,
sdc, and sdd with no SCSI (including USB drives) attached.

2. The USB ports (there are six on this box: four in back and two in
front) are scanned in order at boot-up.

3. If I have the USB drive plugged in and turned on at boot, it always
is identified as /dev/sda1, /dev/sda2, ... etc.

4. If I have more than one such drive plugged in and turned on at boot,
I can predict which one is sda(1,2,...) and which one is sdb(1,2,...) by
where each is connected.

5. If I plug in after boot, the drive is identified as /dev/sde(1,2,...)
regardless of where it is plugged in.

6. If I plug in another drive after boot it will be identified as
/dev/sdf(1,2,...) regardless of where it is plugged in.

Cheerio!

-- 
Fielder George Dowding, Chief Iceworm        .^.   Debian/GNU Linux
dba Iceworm Enterprises, Anchorage, Alaska   /v\   "etch" Testing
Since 1976 - Over 25 Years of Service.      /( )\  User Number 269482
                                            ^^-^^  "irad" 301256
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