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Date:      Sun, 5 Jan 2003 13:13:33 +0300 (MSK)
From:      Dmitry Morozovsky <marck@rinet.ru>
To:        "M. Warner Losh" <imp@bsdimp.com>
Cc:        freebsd-hackers@FreeBSD.ORG
Subject:   Re: freebsd running on a cdrom
Message-ID:  <20030105131030.X264@woozle.rinet.ru>
In-Reply-To: <20030105.001255.53237870.imp@bsdimp.com>
References:  <20030102220350.5971.qmail@web41013.mail.yahoo.com> <20030105001014.GA76756@cs.huji.ac.il> <20030105.001255.53237870.imp@bsdimp.com>

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On Sun, 5 Jan 2003, M. Warner Losh wrote:

MWL> : CD-ROM is not what I would call a reliable media.  May I suggest
MWL> : booting from the network (PXE) or booting from a hard disk and
MWL> : mounting the partitions read-only?
MWL>
MWL> It is usually the case that solid-state media, properly configured, is
MWL> more reliable.  CF cards have a TrueIDE mode that allows them to be
MWL> accessed as a disk on the IDE bus.  Timing Solutions uses this
MWL> technology in all its embedded systems and we've noticed a huge
MWL> reduction in RMAs from the previous generation of systems with IDE
MWL> hard disks in them.
MWL>
MWL> I'd suspect that cdrom drives will break more often than hard disks in
MWL> harsh environments.

Well, while I'd certainly agree with you regarding reliability (BTW, how many
_read_ cycles do contemporary flashdisks support?), there is at least one major
question: where to boot from? especially in the case of standalone
moving-parts-free router ;-)

Sincerely,
D.Marck                                   [DM5020, DM268-RIPE, DM3-RIPN]
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*** Dmitry Morozovsky --- D.Marck --- Wild Woozle --- marck@rinet.ru ***
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