SanDisk micro SDHC 8GB card under testing

Mike Montour mail at
Sat Jul 12 23:14:59 CEST 2008

ian douglas wrote:

> and once on the unit's own Flash ROM as a comparison:
> root at om-gta02:/media/card# cd /opt
> root at om-gta02:/var/volatile/opt# /opt/iospeed2 testfile 50
> Size (MiB)	Write (MiB/s)	Read (MiB/s)
> 50	1.577	9.530

Oh, another factor to consider is filesystem compression. I wonder if 
these are "real" I/O speeds or if jffs2 is squishing the test file down 
to a smaller number of blocks. I guess I should re-write my utility to 
fill its buffer with uncompressible pseudo-random data.

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