0
votes
1answer
147 views

Finding root cause of 99.99% iowait with 0% SWAPON

Users and DBAs are complaining that "Oracle is slow" on our OEL servers. The only thing I have found from the OS standpoint is that there are some strange IOWAIT stats from iotop. Output from iotop: ...
3
votes
1answer
368 views

How to monitor NFS load from userland?

Apologies if I'm not using the proper jargon (although I'm a longtime linux user, I'm not an admin) or if this is a FAQ (though searching SE got lots of hits, I didn't see anything quite like this ...
0
votes
1answer
716 views

How to monitor IO svctm with every 5 mins frequency using nagios?

I want to collect samples of iostat's svctm, await every 5 mins from all of my servers and store them in nagios. I want to get the values for what is happening in every 5 minutes (not since boot time, ...
0
votes
1answer
55 views

Find out the most I/O loaded directory

Looking for ways to find out the most I/O loaded directory in windows. similar to the following in linux to pin point the problem/bottleneck directory. iostat -p 1 Thanks
4
votes
3answers
3k views

Utility for Monitoring IOPS on servers

We recently ran the Dell Performance Analysis Collection kit which monitors your servers via WMI for 24 hours. You send the file off to Dell and they return a report with graphs of IOPS and MB/S disk ...
11
votes
2answers
972 views

How do you monitor the performance of a character device (e.g. tape drive)?

There are many ways to monitor block device performance: dstat and iostat, heck, even sar will give you data on block device I/O rates. Unfortunately, I don't know of any good spur-of-the-moment ...
1
vote
2answers
2k views

VMWare Esxi Looking for Bottlenecks

I have a VMWare ESxi box, 22GB ram, Dual Quad Core Xeon, 2 Sas drives + Write caching raid controller etc. Anyways, have about 30 small XP VM's running on it and starting to get some very slow boot ...