Date: Tue, 02 Apr 96 15:43:16 PST From: "Brett Glass" <Brett_Glass@ccgate.infoworld.com> To: Terry Lambert <terry@lambert.org> Cc: terry@lambert.org, bde@zeta.org.au, freebsd-hackers@freebsd.org, freebsd-hardware@freebsd.org Subject: Re: Hacked kernel with option to disable "green" mode Message-ID: <9603038285.AA828546177@ccgate.infoworld.com>
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> Actually "fixing" the problem requires making the driver aware of drive > spin downs and making it deal with it transparently instead of screwing > up by passing an error to higher level code. This is one way to solve the problem. However, disabling spindowns is also a viable solution. Why not offer both? > Disabling the spindown is not what I'd call "making the code 'green > aware'"... No, but it is both a performance enhancement and a way to ensure that things work. That's why I'd propose using config flags -- so that the system will be able to perform adequately during installation and immediately thereafter -- AND a utility that could change the setting later on. Both could be based on some of the kernel hacking I've already done here. --Brett
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