Dustin J. Mitchell schrieb: > On Fri, Oct 16, 2009 at 2:44 AM, Stefan G. Weichinger <[email protected]> wrote: >> posted there as well: >> >>> The admin there noticed that the time/date was off for one hour ... set it via >>> ntpdate and from then everything worked without a problem. I can't explain ... >>> anyone? > > Were the hangs more than an hour long?
Hmm, I'd have to recheck that, I assume, yes ... as one time he had started a tar-command and I logged in some hours later to see it hanging. > When time is acting badly on a machine, *very* strange things happen. > We see this all the time on our automated-testing machines, which run > on VMWare and thus have clocks that sometimes run backward or forward > very quickly. Just about any Amanda test that includes a timeout > fails periodically on these systems, sometimes spectacularly. I activated ntp-client there and also a "hwclock --systohc --localtime" at shutdown ... this seemed to help so far. S
