[Voyage-linux] SSDs, CFs and write endurance

[Adrian Zaugg]

And how can one find out, what type of card is in a system?

Thanks, Adrian.

Jeff Ramin wrote:
> 
> I've done some more research - it seems there is a difference
> in the physical medium. Do a search for "slc mlc flash", and you
> should see some docs that describe the difference.
> 
> I am currently of the opinion that a current SLC CF card,
> assuming the onboard controller is capable of EEC and wear
> leveling, can be used for a read-write file system.
> 
> For many applications, I think the cheaper MLC CF variety
> could even be used in such an environment, although they
> would be somewhat less reliable.
> 
> 
> Jordi Soucheiron wrote:
>> I'm interested in this too. Does anybody have more info about this?
>>
>> 2009/4/15 Jeff Ramin <jeff.ramin at singlewire.com>:
>>  
>>> Is there any difference in the underlying physical medium between
>>> a solid state disk and a compact flash card? If not, why is it "bad"
>>> to mount CFs as read-write, when that's how SSDs are used day in
>>> and day out?
>>>
>>> I'm seriously considering using the CF on an ALIX board as a
>>> standard read-write disk. I've read many articles and posts that this
>>> is a bad idea, but with the latest CF cards out today, is that still
>>> true?
>>>
>>> Here's an article on the subject. Comments?
>>>
>>> http://www.storagesearch.com/ssdmyths-endurance.html
>>>
>>> Thanks.
>>>
>>> -- 
>>> Jeff Ramin
>>> Software Engineer
>>> Singlewire Software
>>> PO Box 46218
>>> Madison, WI 53744-6218
>>>
>>> Phone Direct - 608.298.1024
>>> www.singlewire.com
>>>
>>>
>>> _______________________________________________
>>> Voyage-linux mailing list
>>> Voyage-linux at list.voyage.hk
>>> http://list.voyage.hk/mailman/listinfo/voyage-linux
>>>
>>>     
>>
>>
>>
>>   
> 
> 
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