DHCPD performance -- solid-state disks?

sthaug at nethelp.no sthaug at nethelp.no
Fri Sep 9 16:16:11 UTC 2011

> We moved everything (config file, log file, leases file) to a 500MB 
> ramdisk. Our init script is modified so that it persists ramdisk 
> contents to HDD on start/stop/restart, and we also modified our 
> system-wide init scripts to do the same thing.

What do you do if the dhcpd process dies? Or the server loses power?

I've always been uncomfortable with the idea of basing everything on
ramdisk. The fsync in dhcpd is there for a reason...

Steinar Haug, Nethelp consulting, sthaug at nethelp.no

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