Date: Tue, 02 Mar 1999 07:55:15 -0800 From: Don Wilde <dwilde1@thuntek.net> To: Konrad Heuer <kheuer@gwdu60.gwdg.de> Cc: freebsd-advocacy@freebsd.org Subject: Re: The Linux PR firestorm disaster (w.r.t. FreeBSD) Message-ID: <36DC09E3.2F959909@thuntek.net> References: <Pine.BSF.4.05.9903020901310.3311-100000@gwdu60.gwdg.de>
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<userland English> In a nutshell, when you score a technical point, you finish up with a brutally blunt statement that makes it clear that there's real danger involved. For ex: FreeBSD uses synchronous writes of data, whereas Linux, by default, uses asynchronous writes. This means that Linux doesn't write immediately: your data is saved in RAM until the machine is less busy, and then it writes. If your machine dies, you've lost the data. FreeBSD makes sure your data is saved immediately, and it's so much more efficient that even with safer writing policies FreeBSD is faster. Even if Linux is set up with synchronous writes (much slower!), there's still a list of data in RAM called 'metadata' that's the working list of filesystem information. FreeBSD makes sure this is recoverable; if your Linux system burps while files are open, you may lose the entire filesystem irretrievably. Everything! -- oooOOO O O O o * * * * * * o ___ _________ _________ _________ ___==__ V_=_=_DW ===--- Don Wilde dwilde1@thuntek.net [ = = ] /oo0000oo-oo--oo-ooo---ooo-ooo---ooo-ooo---ooo-oo---oo To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-advocacy" in the body of the message
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