Right now, the server is not doing anything but sitting there....
Tasks: 98 total, 1 running, 97 sleeping, 0 stopped, 0 zombie
Cpu(s): 0.0%us, 0.3%sy, 0.0%ni, 99.7%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Mem: 1033780k total, 217560k used, 816220k free, 6220k buffers
Swap: 2019320k total, 0k used, 2019320k free, 94056k cached
Plenty of swap, not very busy. It may be over heating, but not sure why.
I am going to run a test tonight - ping every 10 seconds and time stamp the output into a file. Perhaps I will see gaps or unusually long response times and I can correlate that with the log files.
Mark
I've had servers that act like that.. usually they're over heating, completely I/O bound, or swapping due to low available memory.On Mon, Jun 25, 2012 at 10:00 PM, Mark Phillips <mark@phillipsmarketing.biz> wrote:Nope - everything just stops - ping waits for a response, web services just wait for the server, file transfers stop and wait.......as if time just stopped for the server, then starts again without any errors being evident.
MarkOn Mon, Jun 25, 2012 at 9:57 PM, Stephen <cryptworks@gmail.com> wrote:
Can you do access any other services hosted by the server during this time? Or even an extended ping?
On Jun 25, 2012 9:53 PM, "Mark Phillips" <mark@phillipsmarketing.biz> wrote:
---------------------------------------------------I have a headless server running Linux version 2.6.32-5-686 (Debian 2.6.32-45) (dannf@debian.org) (gcc version 4.3.5 (Debian 4.3.5-4) and no X or window manager, and I have noticed in the past couple of days that when I ssh in the server it occasionally stops responding for a minute or two, then comes back as if nothing had happened. It is a random event - maybe once an hour. I cannot find anything in the logs - no error messages. There is nothing wrong with the machine where I initiated the ssh session, and it is not connected to ssh. The server completely stops responding, then comes back as if nothing had happened.
How would I go about diagnosing this problem?
Thanks,
Mark
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