Images partitioned right? Good USB drives? (Re: Woodhouse on flash storage)

Martin Langhoff martin.langhoff at
Sat Oct 10 06:50:15 EDT 2009

On Sat, Oct 10, 2009 at 11:26 AM, Mitch Bradley <wmb at> wrote:
> You can get the erase block size from SD cards - it's in the Card
> Specific Data structure - but I don't know of any standard way to get it
> for USB mass storage devices.

Interesting! Did a bit of looking around but can't find a commandline
tool to read the CSD.

The driver sure knows it... perhaps it gets exposed somewhere?

 martin.langhoff at
 martin at -- School Server Architect
 - ask interesting questions
 - don't get distracted with shiny stuff  - working code first

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