Re: Have ext3 on SanDisk CF but can't disable write-back caching as kernel instructs

From: Sales for IDE-CF flash drive (sales_at_ide-cf.info-for.us)
Date: 07/22/03 

Date: 21 Jul 2003 15:57:03 -0700

...
> > It does not matter. You will destroy the CF after a few hundred
> > thousand cycles, probably within days with a Journalized file system.
>
> Well, that's definitely not true. We've gone for much more than a
> matter of days and the CF has not been destroyed. We did some
> calculations (admittedly doing a lot of hand-waving, since, for
> instance, we can't get the details of SanDisk's wear-leveling) and it
> was our belief that the disks would far outlast the service lifetime
> of the unit...

Just to have fun with it. We took a brand-new 4M CF, write random
data to it continuously. It crashed (drive not ready) after approx.
25,000 write cycles in three days. We will run a few more tests to
confirm it and post the results later.

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