[Fwd: [Fwd: power down]]
vmalik at danielind.com
Wed Dec 8 16:41:13 EST 1999
David Woodhouse wrote:
> vmalik at danielind.com said:
> > <desperate plea> Come on guys (and gals). Am I championing a lost
> > cause here? Have we given up on power down reliability of nonvolatile
> > data in embedded systems under Linux?
> Power down reliability of such data is an absolute must.
THANK YOU, THANK YOU, THANK YOU!!!!
> I expect embedded
> systems using NFTL and ext3 to be absolutely reliable even if the plug is
> pulled half-way through a write.
> This means we end up with two separate journalling / logging mechanisms - one
> at the block device level (ext3) and one at the flash media level (NFTL). As I
> said - ideally, we ditch that in the end and have a journalling/log-structured
> filesystem directly on the flash media.
> > Is anyone interested in this!? Lurkers please respond. How many people
> > read this list anyway? </desperate plea>
> infradead /var/lib/majordomo/lists $ wc -l mtd
> 64 mtd
Thanks. I guess that means that 64 people receive this list.
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