Doesn't look like these are sold anymore, but I bought one 4 years ago because when I first read about issues with flash memory and the NSLU2s, I knew I needed a rotating magnetic disk, and this was the smallest USB one money cold buy:
http://www.amazon.com/Western-Digital-WDXMM60WPN-Passport-Portable/dp/tech-data/B000E22DAY/ref=de_a_smtd - jake 2010/2/18 Rick Thomas <[email protected]>: > > On Feb 18, 2010, at 12:55 PM, Björn Wetterbom wrote: > >> I've used a Freecom 2.5" drive for a couple of years with good >> results. USB powered of course. >> >> I've also used an external WD 3.5" drive which I am very pleased with, >> and since WD offers a wide variety of 2.5" drives at good prices I >> would go for one of those. >> >> /Björn >> >> >> >> On Thu, Feb 18, 2010 at 18:02, <[email protected]> wrote: >>> >>> John Holland wrote >>> >>>> You could use a 2.5" HDD. The Momentus has a typical usage specified @ >>>> 1.5W seek and .7W idle. >>> >>> Thanks for pointing out the low energy consumption of modern 2.5" HDs. >>> Since others mentioned that SD is even less suitable for my purpose, I >>> think I'll go that route. >>> >>> Can anybody recommend a specific model of an external 2.5" drive that >>> works well with a slug under Debian (Lenny armel), preferably USB-powered >>> so I don't need an extra power supply? >>> >>> I've read a lot on nslu2-linux.org about spindown issues with HDs >>> connected to a slug. Since my slug is logging data continuously 24/7, I >>> guess I shouldn't let the HD spin down at all. Is that assumption >>> correct? >>> >>> Regards, Richard > > Sounds like a fun project! Please keep us informed on what you wind up > doing. > > If whatever you use works OK with only USB power, that's great. But I'd > make sure that any external hard-drive at least has the *option* of external > power, incase it turns out that the Slug can't provide enough to, e.g. > spin-up at boot time. > > Of course, external power will probably mean more total power drain (due to > losses in the transformer, etc...) There are trade-offs in all things. > > Another low-power option would be to use a larger USB-stick (e.g. 8GB) which > will allow the writes to be spread over more memory cells, increasing the > total life of the stick. > > And yet a third idea: You can rent a few gigabytes of storage "in the cloud" > from places like Amazon.com. Then you could use the cloud-storage as an > energy efficient backup for your log files. > > Whatever you do, frequent backups are always a good idea. > > Enjoy! > > Rick > > -- > To UNSUBSCRIBE, email to [email protected] > with a subject of "unsubscribe". Trouble? Contact > [email protected] > Archive: > http://lists.debian.org/[email protected] > > -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected] Archive: http://lists.debian.org/[email protected]
