Hi,
Casting my mind back more years than I care to remember, I have seen
this sort of problem when a machine runs out of kernel file descriptors
or space in the open file table. At that point it no longer has the
resources to complain. May be such things are sized dynamically these
days, but I can imagine that errant backup software could use up a lot
of file resources.
Jonathan.
On 19/10/2012 04:45, Ski Kacoroski wrote:
Hi,
I am trying to debug a problem with our backup software where the processes
quit for no apparent reason. As part of the process I set up SAR to run every
2 minutes. What is very strange is that SAR also drops out and then reappears.
So, for example. I will have SAR readings every two minutes up till 7:24pm.
Then nothing until 7:36pm where it resumes taking readings every 2 minutes.
The backup processes all die at 7:26pm. This pattern has happened several
times (different times and 'black out' periods though. Nothing in the logs
that I can see. Any idea why SAR would stop taking readings and then start
again?
cheers,
ski
---
"When we try to pick out anything by itself, we find it
connected to the entire universe" John Muir
Chris "Ski" Kacoroski, Unix Admin
206-501-9803, ski98033 on IRC and most IM services
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