Ake wrote:
> 
> ido-i [/]# hdparm -Tt /rawdev/sdb 
> 
> /rawdev/sdb:
>  Timing buffer-cache reads:   2276 MB in  2.00 seconds = 1137.60 MB/sec
>  Timing buffered disk reads:  292 MB in  3.01 seconds =  97.15 MB/sec
> 
> ido-i [/]# hdparm -Tt /tmpfsdev/sdb 
> 
> /tmpfsdev/sdb:
>  Timing buffer-cache reads:   2276 MB in  2.00 seconds = 1137.04 MB/sec
>  Timing buffered disk reads:   42 MB in  3.01 seconds =  13.94 MB/sec
> 
> 


what about ramfs??