Tag : virtual guest

Notice: Check Your Tuned Settings For A Performance Boost.

Posted September 21, 2017 by Jim Perrin & filed under CentOS Comments: 10

Tags: default scheduler, seorp, virtual guest

Last week we noticed that the default scheduler isnt being set properly in CentOS 7. I havent checked this for CentOS 6, but it might be worth exploring.The TL;DR is unless youre running CentOS 7 on a laptop or as a virtual guest, you should proba..

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Disable/stop Nic In A Virtual Guest With Virsh

Posted February 17, 2015 by C. L. & filed under CentOS-Virt Comments: 5

Tags: virtual guest

all,How can I stop/disable a nic in a virtual guest using a virsh command?? I am searching the same effect like if I unplug network cable … Is it possible?? I have tried with detach-interfacecommand without luck. I dont want to remove the nic f..

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BAD Disk I/O Performance

Posted May 4, 2014 by Luca Gervasi & filed under CentOS-Virt Comments: 3

Tags: GB RAM, physical counterpart, virtual guest, web servers

im trying to convert my physical web servers to a virtual guest. What im experiencing is a poor disk i/o, compared to the physical counterpart(having strace telling me that each write takes approximately 100 times the time needed on physical).Tes..

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