1. Disable HA on ESX cluster Connect to problematic server via SHH or server console : rpm -ev Vmware-vpxa-<version> (you can find out the module version by doing rpm -qa | grep vpx) rpm -ev <LGTO vm module> (you can find out the module name by doing rpm -qa | grep LGTO) rpm -ev <LGTO agent module> (you can find out the module name by doing rpm -qa | grep LGTO) 2. Disconnect host from VC Reboot Host 3. Reconnect host to VC 4. Enable HA in cluster. Read more

ESX Stop Firewall and IpTables chkconfig firewall off > /dev/null 2>&1 chkconfig iptables off > /dev/null 2>&1 chkconfig --level 3 portmap on > /dev/null 2>&1 chkconfig --level 3 netfs on > /dev/null 2>&1 chkconfig --level 3 vmware on > /dev/null 2>&1 chkconfig --level 3 vmware-late on > /dev/null 2>&1 chkconfig --level 3 mgmt-vmware on > /dev/null 2>&1 service firewall restart > /dev/null 2>&1 service iptables restart Read more

Due to the risk involved, The procedure must be done very carefully. It is good first to do some training on non operational domain . To restore Active Directory DB from backup: Determine exactly the object name that needs to be restored (OU name). Reboot domain controller into authoritative restore mode. Restore the system state from last backup. Open a command window Run "ntdsutil" Type "authoritative restore", press Enter To restore a subtree, type "restore subtree" and the entire object Read more

Demonstration of Vmotion on Dell PowerEdge Blade Servers Read more

Sizing is the most important part before ESX implementation. I'm using the Hp Vmware solution sizer as first step before VMware infrastructure implementation. You can run it from here : http://g3w1656g-vip.houston.hp.com/SB/VMware/page_init.asp This is an automated tool that assists the user with the size and scope of a server environment supporting VMware. The sizing information and algorithms have been developed using testing and performance data on HP Servers running the VMware ESX Server. Read more