On Nov 30, 2007 10:07 AM, Mike <azmr at earthlink.net> wrote: > On Wed, 28 Nov 2007, Bart Schaefer wrote: > > Reboot with memtest86 (should be on the centos install media) and look > > for test failures. > > That was it! Replaced the failing memory, now OpenVPN has been up for ~16 > hours. Glad to hear it. I sometimes wonder, given how often I've seen memory failures occur only under load, whether unused RAM is more likely to go bad than RAM that's kept busy all the time.