What is filesystem panic?

[Per Anton Rønning]

Mikkel L. Ellertson wrote:
> Per Anton Rønning wrote:
>   
>> I have tried both fdisk and cfdisk, but non of these are allowed open
>> the jetflash device
>> (as root!)
>> It  has made itself inaccessible it seems, so I guess I just have to
>> discard it.
>> If there is no command that I have not thought of that might help me to
>> erase its contents and
>> create everyting (i.e. some backup directories) anew.
>>
>> BRGDS
>> PAR
>>
>>     
> Double check that you are accessing the correct device. USB drives
> do not always get "assigned" the same device. (It might get assigned
> /dev/sdd instead of /dev/sdc for example.) If you are interested in
> the reasons for this, it should probably be a separate thread...
>
> Mikkel
>   
Oh yes, my processor is slow now. a df command shows this:
[root at localhost trade]# df
Filesystem           1K-blocks      Used Available Use% Mounted on
/dev/mapper/VolGroup00-LogVol00
                     718841144   8123212 674202912   2% /
/dev/sda1               194442     44177    140226  24% /boot
tmpfs                  1943548        48   1943500   1% /dev/shm
/dev/ram0                15863       728     15135   5% /mnt/rd
/dev/sdf1              3985612     53992   3931620   2% /media/disk

The JetFlash pen is assigned to sdf1. But do I have to assign it to sdc1 
for it to work??
What consequences does this have?

Brgds PAR