How to format a pen drive?

[Tony Nelson]

At 12:26 AM -0500 11/10/06, Jim Cornette wrote:
>John Wendel wrote:
>>
>> I've never used it, but there is a filesystem made specially for flash
>> devices, JFFS2. It's available in the standard kernel. Google has more
>> details.
>
>JFFS2 is used for Memory technology devices mainly. We have embedded
>systems that use JFFS2 for the rwflashes. (Execute in place capable
>devices)
>For the devices however that are NAND (or emulate regular hard disks),
>JFFS2 does not really do much good. I played around once with a CF card
>and did not get very far. It was fun however. I did send questions to
>the CF card developers and to my understanding the wear leveling is
>performed by algorithms for the controller and are not dependent upon
>the filesystem type, FAT does not have wear leveling to my knowledge, so
>it makes a bit of sense.

To contribute my 2 cents here, AFAIR the main issue with ext2/3 is updating
the access timestamp with each file causing excess wear.  If the card's
filesystem is mounted -o noatime then there is no excess wear.
-- 
____________________________________________________________________
TonyN.:'    The Great Writ     <mailto:tonynelson at georgeanelson.com>
      '      is no more.             <http://www.georgeanelson.com/>