Date: 26 Jan 2000 00:38:35 -0600 From: "Jeffrey S. Sharp" <jss@subatomix.com> To: "Greg Lehey" <grog@lemis.com> Cc: "freebsd-small" <freebsd-small@freebsd.org> Message-ID: <002201bf67c6$f76b4090$0dea5e18@mmcable.com> References: <3888D5CF.329989@achtung.com> <20000122145538.A390@mojave.worldwide.lemis.com> <20000124122024.A4574@horus.co.jyu.fi> <20000125103358.U2643@mojave.worldwide.lemis.com> <005f01bf66f4$05a499f0$0dea5e18@mmcable.com> <20000126075825.C42227@freebi
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e.lemis.com> Subject: Re: New approach to picobsd Date: Wed, 26 Jan 2000 00:31:24 -0600 Organization: The Subatomix Project MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 5.00.2314.1300 X-MimeOLE: Produced By Microsoft MimeOLE V5.00.2314.1300 > > Another thing: using MFS for the root filesystem is bad for flash. (A) > > Big MFS sizes on big flash disks make memory requirements too high; (B) > > There is no need to make it possible for one to remove the flash disk > > after booting. > > ... > > But then there's the problem of /var and /tmp.... > > They would need to be in mfs. You can't get away without any writable > file space, and you don't want to be writing to your flash all the > time. Therefore, I suggest something like what Warner has done (and that I am working on as time permits), where the flash is the root fs and /tmp, /var, and so on are mounted as small MFS filesystems. The flash is normally kept mounted read-only. Then, instead of running an update script, one simply remounts the flash read-write, makes changes, and remounts read-only. =============================== Jeffrey S. Sharp (XorAxAx) jss@subatomix.com http://www.subatomix.com/ -----BEGIN GEEK CODE BLOCK----- Version 3.12 GCS/IT/MU d-@ s-:+ a20 C++(++++) UBL+(+++$)> P L+(+++$)> !E W++ N+(++) o? K? w++$> !O M(-) !V PS+ PE Y PGP- t+ 5 X+ R(+) tv+ b+ DI++(+++) G++ e> h--- r+++ y+++ ------END GEEK CODE BLOCK------ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-small" in the body of the message
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