unattended fsck on reboot

[R P Herrold <herrold@xxxxxxxxxxxx>]

On Thu, 18 Feb 2010, Kai Schaetzl wrote:

> Rudi Ahlers wrote on Thu, 18 Feb 2010 10:54:11 +0200:
>
>> The server booted up, ran fsck, then each VM, as it booted up ran fsck as
>> well - which just slowed down the whole process since there's a 5 minute
>> delay in starting each VM.
>
> Why would you autostart a VM only every 5 minutes? Or did you mean the next
> one only started once the earlier one had finished fsck? As mine aren't doing
> this I haven't ever seen that.

We found (suffered) a 'thundering herd' effect in autostarting 
all domU's at once where 20 or more were present, and so added 
control logic to stagger such starts after a reboot (and also 
track running/stopped state outside of dropping links in the 
/etc/xen/ directory hierarchy)

-- Russ herrold
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