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Month: October 2020

Truenas/Freenas performance testing

Truenas/Freenas performance testing

May help others Network performance – FreeNAS From a Linux machine: 1Gb on both sides Write Test: Read Test: Additionally IOZONE testing Source: https://www.thegeekstuff.com/2011/05/iozone-examples/ As we discussed in our Linux performance monitoring introduction article, measuring IO subsystem performance is very important. If someone is complaining that a database (or any application) running on one server (with certain filesystem, or RAID configuration) is running faster than the same database or application running on another server, you might want to make sure that the…

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Reduce the fan noise of the Dell R720XD (plus other 12th gen servers) with IPMI

Reduce the fan noise of the Dell R720XD (plus other 12th gen servers) with IPMI

Introduction In this guide I will be showing you how you can reduce the fan noise of the Dell Powerdge r720XD. This will probably work on the r720 and other 12th gen dell servers. To do this, we will be using IPMI to manually override the fan speed. Requirements In order to follow this guide, you will need the following: A Linux machine (or anything with ipmitool available) 12th gen Dell Poweredge Server with iDRAC 7 Disclaimer Make sure you keep an…

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