Re: Two questions related with FAT filesystem and block device layer.

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Zhonglin Zhang <[email protected]> writes:

>  Q1.
>     When I use "mkdosfs /dev/tffsa1", WIN2000 And WINXP can
>     read/write the /dev/tffsa1. 
>     When I use "mkdosfs -S 4096 /dev/tffsa1", WIN2000
>     can read/write the /dev/tffsa1, But Winxp can't.
>
>     Why? W can I make the winxp can read/write the /dev/sda1.

I don't know.

>  Q2. 
>     When using "mkdosfs /dev/tffsa1", Our VideoRecord isn't fluent. 
>
>     When using "mkdosfs -S 4096 /dev/tffsa1", Our VideoRecord is fluent.
>     I wonder how the sector size affect the Video Record.

I guess the cluster size was increased by "-S 4096", so the number of
times of block allocation became fewer.

>  Our ultimate goal is 'Video Record is fluent and Win2000/Winxp can 
>  read/write the /dev/tffsa1 as a u-disk.

How about testing the "mkdosfs -s 64 /dev/foo"?
-- 
OGAWA Hirofumi <[email protected]>
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