On Sun, Jan 05, 2003 at 12:12:55AM -0700, M. Warner Losh wrote: > In message: <[EMAIL PROTECTED]> > Vadim Vygonets <[EMAIL PROTECTED]> writes: > : Quoth Joe on Thu, Jan 02, 2003: > : > I've been trying to get FreeBSD to run off a cdrom. Why, > : > well longs story, the shot version is it needs to be able to be > : > turned off and on like a lite switch. (I understand the on part > : > will take longer, but the off is just hit the button). > : > : CD-ROM is not what I would call a reliable media. May I suggest > : booting from the network (PXE) or booting from a hard disk and > : mounting the partitions read-only? > > It is usually the case that solid-state media, properly configured, is > more reliable. CF cards have a TrueIDE mode that allows them to be > accessed as a disk on the IDE bus. Timing Solutions uses this > technology in all its embedded systems and we've noticed a huge > reduction in RMAs from the previous generation of systems with IDE > hard disks in them. > > I'd suspect that cdrom drives will break more often than hard disks in > harsh environments.
Absolutely, typically airborne dust affects them. Cleaning resolves it in my experience but from an RMA standpoint that does not help you much. Core memory, nothing but good old magnetic core memory :) -- | / o / /_ _ [EMAIL PROTECTED] |/|/ / / /( (_) Bulte To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-hackers" in the body of the message
