On 02/17/2014 12:01 PM, Vasiliy Tolstov wrote:
> 2014-02-17 18:40 GMT+04:00 Koen Kooi <k...@dominion.thruhere.net>:
>> If we stretch the definition of 'reboot' a bit, would it be possible to
>> shutdown, jump back into the initramfs, do the updates and jump to the main
>> rootfs again? It assumes you have an initramfs and all your apps will close,
>> but the machine doesn't reboot :)
>>
>> regards,
>
> Point to not reboot - bring up system faster. In case of pxe i get
> 10-15 sec bios, 5 sec - get ip from dhcp server and get kernel and
> minimal initrd, 10 sec to download full squashfs (debian-live),
> 1min-3min - chef-solo on image to configure.
> If i get to ramfs and get back - i can save about 2-5 min to get working
> system.
>
kexec?
-hpa
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