David Clarke writes:
> Not directly related to Ceph, but you may want to investigate kexec[0]
> ('kexec-tools' package in Debian derived distributions) in order to
> get your machines rebooting quicker. It essentially re-loads the
> kernel as the last step of the shutdown procedure, skipping over the
> lengthy BIOS/UEFI/controller firmware etc boot stages.
> [0]: http://en.wikipedia.org/wiki/Kexec
I'd like to second that recommendation - I only discovered this
recently, and on systems with long BIOS initialization, this cuts down
the time to reboot *dramatically*, like from >5 to <1 minute.
--
Simon.
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