The iostat command is used for monitoring system input/output device loading by observing the time the devices are active in relation to their average transfer rates.
The iostat command generates reports that can be used to change system configuration to better balance the input/output load between physicaldisks.
How to install iostat:
iostat is available in sysstat module, so to install iostat we need to install sysstat module.
Use following command to sysstat:
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When attempting to mount CentOS 6, my mount fails with
clnt_create: RPC: Unknown host
If we do a more thorough diagnostic, this is the issue