Date: Wed, 14 Dec 2005 20:56:53 -0600 From: Bob Willcox <bob@immure.com> To: Alexandre DELAY <alexandre.delay@free.fr> Cc: freebsd-hardware@freebsd.org Subject: Re: HDD Message-ID: <20051215025653.GA35383@rancor.immure.com> In-Reply-To: <MAEBLPAGHGPMOKCBICBNCECECJAA.alexandre.delay@free.fr> References: <439F7AF3.7000709@vault-tec.de> <MAEBLPAGHGPMOKCBICBNCECECJAA.alexandre.delay@free.fr>
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On Wed, Dec 14, 2005 at 05:45:53PM +0100, Alexandre DELAY wrote: > Don't you think that flash drives are also a good solution? > > I am sure that it will be the future replacement for hard drive disks. > see http://www.memtech.com/ for example > > With no buffer and 1ms access delay you minimise write failures. It is an > interresting solution. Hmm, I see no prices listed on the Memtech web site (did I simply miss them?). So, what does a 96GB flash drive cost in comparison to a magnetic disk hard drive of similar capacity? Stories of the impending demise of magnetic disk drives have been circulating since at least the late '70s (back then I seem to remember that bubble and/or CCD memory was to spell their doom). So far, it appears that nothing has come along that has been able to compete on a cost per byte basis. Flash memory might be the technology to do it, but somehow I doubt it. Bob > > cheers > > > -----Message d'origine----- > > De : owner-freebsd-hardware@freebsd.org > > [mailto:owner-freebsd-hardware@freebsd.org]De la part de Wolfram Huesken > > Envoy? : mercredi 14 d?cembre 2005 02:53 > > ? : Alexandre DELAY > > Cc : freebsd-hardware@freebsd.org > > Objet : Re: HDD > > > > > > You could mount the filesystem as read-only and use a ramdisk for the > > partitions that need write access > > like /tmp or /var. > > You also would prevent your CF-Card from damage because you cannot > > perform unlimited io operations on that card. > > > > I've already tested this with a kind of embedded appliance that acts as > > a router. > > > > - Wolfram > > > > Alexandre DELAY wrote: > > > > >he he! > > >nice answer! > > > > > >The fact is that it is not exactly my question. > > >You think it is normal that nowdays we are limited by this hardware??? > > > > > >hdds are more than 50 years old!! > > >It has been invented in 1953 by some guy at IBM. > > > > > > > > > > > >>-----Message d'origine----- > > >>De : owner-freebsd-hardware@freebsd.org > > >>[mailto:owner-freebsd-hardware@freebsd.org]De la part de Gayn Winters > > >>Envoye : mardi 13 decembre 2005 19:43 > > >>A : 'Alexandre DELAY'; freebsd-hardware@freebsd.org > > >>Objet : RE: HDD > > >> > > >> > > >> > > >> > > >>>-----Original Message----- > > >>>From: owner-freebsd-hardware@freebsd.org > > >>>[mailto:owner-freebsd-hardware@freebsd.org] On Behalf Of > > >>>Alexandre DELAY > > >>>Sent: Tuesday, December 13, 2005 9:39 AM > > >>>To: freebsd-hardware@freebsd.org > > >>>Subject: HDD > > >>> > > >>> > > >>>Hi guys, > > >>> > > >>>I would like to know what you think of hard drive disk running under > > >>>FreeBSD. The fact is that it is quite difficult to keep it working > > >>>with "hard power off". I added a small fsck_enable="YES" in my rc.conf > > >>> > > >>> > > >>file, > > >> > > >> > > >>>but my system keeps have some trouble when the power fails. > > >>> > > >>>Is there a way to make FreeBSD running very well with power failure? > > >>>I thought of Compact flash cards as system disk. Do you think > > >>>it would make the system more stable with power failure? > > >>> > > >>> > > >>Use a UPS. > > >> > > >>-gayn > > >> > > >>Bristol Systems Inc. > > >>714/532-6776 > > >>www.bristolsystems.com > > >> > > >> > > >>_______________________________________________ > > >>freebsd-hardware@freebsd.org mailing list > > >>http://lists.freebsd.org/mailman/listinfo/freebsd-hardware > > >>To unsubscribe, send any mail to > > >>"freebsd-hardware-unsubscribe@freebsd.org" > > >> > > >> > > >> > > >_______________________________________________ > > >freebsd-hardware@freebsd.org mailing list > > >http://lists.freebsd.org/mailman/listinfo/freebsd-hardware > > >To unsubscribe, send any mail to > > "freebsd-hardware-unsubscribe@freebsd.org" > > > > > > > > > > > > > > _______________________________________________ > > freebsd-hardware@freebsd.org mailing list > > http://lists.freebsd.org/mailman/listinfo/freebsd-hardware > > To unsubscribe, send any mail to > > "freebsd-hardware-unsubscribe@freebsd.org" > > > > _______________________________________________ > freebsd-hardware@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-hardware > To unsubscribe, send any mail to "freebsd-hardware-unsubscribe@freebsd.org" -- Bob Willcox Men freely believe that what they wish to desire. bob@immure.com -- Julius Caesar Austin, TX
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