Fedora Test Day - 20 Second Startup - get your boot on!

Harald Hoyer harald at redhat.com
Thu Feb 19 07:54:31 UTC 2009

Adam Williamson wrote:
> On Wed, 2009-02-18 at 18:20 +0100, Harald Hoyer wrote:
>> Adam Williamson wrote:
>>> On Wed, 2009-02-18 at 09:09 +0100, Martin Sourada wrote:
>>>> Looks pretty good. I have a dumb question though, for which I haven't
>>>> found an answer - how can I enable/disable readahead? I haven't checked
>>>> in Rawhide yet, but in F10 it is not among services.
>>> It's explained in the test cases, I think? I'm pretty sure I remember
>>> writing it there.
>>> You edit /etc/sysconfig/readahead , the first line is the key. The
>>> advice to enable / disable it as a service, in the old version of the
>>> test day page, was presumably outdated.
>> don't forget to:
>> # touch /.readahead_collect
>> after you active readahead to trigger the data collection.
>> Reboot for the data collector and reboot again after a full boot.
> ...well, that was completely obvious!
> so my results which I did with two reboots but *not*
> with /.readahead_collect would be invalid?

Well, yes, if you didn't reboot after installing readahead without turning it off.

I added the command to the wiki pages, yesterday.

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