http://www.google.com/url?sa=t&rct=j&q=rhevm%20disk%20io%20performance&source=web&cd=1&ved=0CFIQFjAA&url=http://www.redhat.com/summit/2012/presentations/files/rhev-troubleshooting-summit2012_dk.odp&ei=7ZMlUK_4Mse5igKT-oCoBg&usg=AFQjCNHH_iEDyPMyQU1gWg8SqMBT7UCO1w&cad=rja For administrators who what to understand how RHEV works and and how to troubleshoot possible issues. (RHEV is complicated )
http://www.google.com/url?sa=t&rct=j&q=rhevm%20disk%20io%20performance&source=web&cd=1&ved=0CFIQFjAA&url=http://www.redhat.com/summit/2012/presentations/files/rhev-troubleshooting-summit2012_dk.odp&ei=7ZMlUK_4Mse5igKT-oCoBg&usg=AFQjCNHH_iEDyPMyQU1gWg8SqMBT7UCO1w&cad=rja For administrators who what to understand how RHEV works and and how to troubleshoot possible issues. (RHEV is complicated )
http://www.google.com/url?sa=t&rct=j&q=rhevm%20disk%20io%20performance&source=web&cd=1&ved=0CFIQFjAA&url=http://www.redhat.com/summit/2012/presentations/files/rhev-troubleshooting-summit2012_dk.odp&ei=7ZMlUK_4Mse5igKT-oCoBg&usg=AFQjCNHH_iEDyPMyQU1gWg8SqMBT7UCO1w&cad=rja For administrators who what to understand how RHEV works and and how to troubleshoot possible issues. (RHEV is complicated )
http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Virtualization/3.0/html/Administration_Guide/KVM_Clock_Appendix.html Summary: append to VM’s kernel, for i386,i686 => ‘divider=10 clocksource=acpi_pm’, for x86_64 => ‘divider=10 notsc’ This is needed to fix the drifting clock issue on VMs that are not using pv_clock driver
http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Virtualization/3.0/html/Administration_Guide/KVM_Clock_Appendix.html Summary: append to VM’s kernel, for i386,i686 => ‘divider=10 clocksource=acpi_pm’, for x86_64 => ‘divider=10 notsc’ This is needed to fix the drifting clock issue on VMs that are not using pv_clock driver
http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Virtualization/3.0/html/Administration_Guide/KVM_Clock_Appendix.html Summary: append to VM’s kernel, for i386,i686 => ‘divider=10 clocksource=acpi_pm’, for x86_64 => ‘divider=10 notsc’ This is needed to fix the drifting clock issue on VMs that are not using pv_clock driver