Re: [Beowulf] Mobo battery life in constantly on systems?

2007-07-27 Thread Jim Lux
At 04:14 PM 7/27/2007, David Mathog wrote: The question: what is the expected motherboard battery lifetime in systems that are continuously on? Background: The question arises because it was necesary to cycle the power today on a couple of nodes by unplugging them and then plugging them back in

Re: [Beowulf] Mobo battery life in constantly on systems?

2007-07-27 Thread andrew holway
Once you break the seal on a battery pack they start to degrade, react with the air etc. I seem to remember someone telling me about breaking the electrical seal on a battery, once you start it, it reacts away to its self at a low rate. Bit like a bottle of water, crack open the top and it will ev

[Beowulf] Mobo battery life in constantly on systems?

2007-07-27 Thread David Mathog
The question: what is the expected motherboard battery lifetime in systems that are continuously on? Background: The question arises because it was necesary to cycle the power today on a couple of nodes by unplugging them and then plugging them back in again. When one came back up the BIOS sett

[Beowulf] Fedora 6 System won't shut down

2007-07-27 Thread A Lenzo
Hello all, let me explain the challenge I am facing. I recently set up 3 machines (1 server and 2 clients) as a Linux Cluster. The server serves out NFS and NIS information. Happily, this works. But I noticed something strange on a client machine - this only happens when I log into the client w

Re: [Beowulf] Re:hardware question: building a cluster node/ student

2007-07-27 Thread Lombard, David N
On Thu, Jul 26, 2007 at 08:48:35AM -0700, David Mathog wrote: > "Nathan Moore" <[EMAIL PROTECTED]> wrote > > > Earlier this summer, the case fan on one of the machines failed, and the > > result seems like a cooked motherboard (erratic errors with the integrated > > NIC). > > There should be an a