On Saturday 20 November 2010 20:46:48 Alan McKinnon wrote: > Apparently, though unproven, at 18:59 on Saturday 20 November 2010, Mick > did > > opine thusly: > > On Saturday 20 November 2010 00:22:49 Alan McKinnon wrote: > > > Apparently, though unproven, at 01:21 on Saturday 20 November 2010, > > > Neil > > > > > > Bothwick did opine thusly: > > > > On Fri, 19 Nov 2010 22:13:50 +0000, Mick wrote: > > > > > Short of measuring the latency with some system (which I wouldn't > > > > > know how) I have experimented with setting the /boot partition on > > > > > primary and logical partitions and the difference (on a stopwatch) > > > > > was measurable in seconds betweeen having said partition on a > > > > > primary and having it on a logical. > > > > > > > > Are you talking about GRUB loading time, kernel loading or what? > > > > Since /boot isn't normally mounted or used once the kernel is loaded, > > > > I don't see how relevant this is. > > > > > > And: > > > > > > Boot time differences measured in *seconds*? > > > > > > fifty bucks says his fsck number came up > > > > Yes, I'm talking about GRUB loading time. > > > > This is a (touch wood) healthy fs which has been serving my wife happily > > for the last 4 years ... > > Was the speed difference a once-off, or is it consistent and reproducible?
It is the latter. Of course this is not important as GRUB is only loaded once and doesn't affect running the OS thereafter. I think that this behaviour is explained by the earlier comment about lookup times and BIOS doing no caching of course. No idea if this would be different on one of the new EFI boot systems. -- Regards, Mick
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