Re: 37.5% boot time reduction in Lenny is possible (recipe)

[Petter Reinholdtsen <pere@hungry.com>]

[Goswin von Brederlow]
> Benefits may greatly varry.

Sure.

> For this slowest 2+GHz 8 core server of the world make that 5
> minutes 48 seconds to 5 minutes 30 seconds here or 5% speed
> increase. And yes, this slowest 2+GHz 8 core server of the world
> does take that long to boot, mainly bios ram test and scsi
> probing. Never seen a server count its ram so slow.

For slow BIOSes, LinuxBIOS can help.

> And you get that once or twice a year. Not sure if the risk of
> breaking things is worth that optimization.

Some of the changes, like readahead, do not really have any risk
involved.  Others have some risk and the opportunity to reduce risk,
like dependency based boot sequencing.

Happy hacking,
-- 
Petter Reinholdtsen