File systems usage patterns and NAND lifetime

2008-10-09 Thread Deepak Saxena
I attended and Embedded Linux Conference [1] last week at which I saw a great talk on "Managing NAND Over A Product Lifecycle" [2]. The speaker presented the case of determining whether a choosen NAND HW and SW combination will survive the estimated lifecycle of a product. As an example, he use

Re: File systems usage patterns and NAND lifetime

2008-10-10 Thread Martin Langhoff
On Fri, Oct 10, 2008 at 7:17 PM, Deepak Saxena <[EMAIL PROTECTED]> wrote: > Related to this topicm I am also wondering what is the expected > usable life of the XO? 5 years is what I heard many times. Can't now find a formal source of it, but it's tatooed in my forehead by raw repetition. cheers

Re: File systems usage patterns and NAND lifetime

2008-10-10 Thread Ed McNierney
Deepak - Thanks very much for the report and the notes; this is great stuff. Of course, my first question is to wonder how long that GPS has actually been in use by customers . Any other real-world NAND data would certainly be worth sharing with the team. - Ed On Oct 10, 2008, at

Re: File systems usage patterns and NAND lifetime

2008-10-10 Thread John Watlington
On Oct 10, 2008, at 2:17 AM, Deepak Saxena wrote: > I attended and Embedded Linux Conference [1] last week at which I > saw a great talk on "Managing NAND Over A Product Lifecycle" [2]. > > The speaker presented the case of determining whether a choosen > NAND HW and SW combination will survive

Re: File systems usage patterns and NAND lifetime

2008-10-10 Thread Philippe Clérié
Valerie Henson blogged about SSD's a while back (http://valhenson.livejournal.com/25228.html). Since then I've made sure I back up anything I have on flash. Philippe -- The trouble with common sense is that it is so uncommon. On Friday 10 October 2008 01:17:43 Deepak Saxena wrote: > I atte

Re: File systems usage patterns and NAND lifetime

2008-10-16 Thread Artem Bityutskiy
Hi, Philippe Clérié wrote: > Valerie Henson blogged about SSD's a while back > (http://valhenson.livejournal.com/25228.html). Since then I've made > sure I back up anything I have on flash. Yeah, managed flashes are tricky. If you are interested, here is some short writing about raw flash vs. m