Real men don't make backups
Tsuna analyzes how match time it takes to make a context switch. All analyzed chips are Multi-core Intel CPUs. OS / scheduler used – standard Linux Kernel. Results: depends on what we call a context switch (theoretical / real world) and what we measure is: 1000 ns – 4500 ns (up to 45000 ns – …
Continue reading “Context switch can be 3 times slower in virtual environment such as VMware ESX”
Yesterday I needed to replace motherboard with active boot volume, that consisted of RAID 1 (mirror). There were two possibilities of where Intel RAID controller (ICH10R) keeps RAID configurations: in controller in RAID HDDs in both places How things went: Power off Replace broken motherboard with new one Power on First boot slow (perhaps installing …
Continue reading “Replacing motherboard with Intel RAID 1 (mirror)”
VMware vmrun command is very powerful feature of VMware Workstation and ESX server to automate things in virtual machines. Configuring automated script for Windows 2008 Server and Windows 2008 R2 was easy task. Everything went as expected. However the same script failed on Windows Vista and Windows 7 with the following two errors: for vmrun …
Continue reading “vmrun – Error: You do not have access rights to this file”