Month: December 2013

Operations Differences for various VMware Products and Components Feature 5.5 5.1 5 4.1 4 HA Agent FDM FDM FDM AAM AAM HA Algorithm Master Slave Master Slave Master  Slave Primary  Secondary Primary  Secondary HA Failure Detection Management Network Storage Communication Management Network Storage Communication Management Network Storage Communication Management Network…Continue readingOperations Differences for various VMware Products and Components

Configuration Maximums for various VMware Products and Components   Component 5.5 5.1 5 4.1 4 Virtual CPUs per virtual machine (Virtual SMP) 64 64 32 8 8 RAM per virtual machine 1TB 1TB 1TB 255GB 255GB Virtual disk size 62TB 2TB 2TB 2TB 2TB Virtual Disks per virtual machine 60…Continue readingConfiguration Maximums for various VMware Products and Components

Setup VMware vCenter 5.1 ESXi 5.1 GA build (799733) SRM 5.0  Issue At the time of Test Failover VM unable to Power ON and threw up error A general system error occurred. The system returned an error. Communication with the virtual machine might have been interrupted. Post Analysis we found…Continue readingA General System Error occurred. Communication with the virtual machine might have been interrupted

Setup VMware vCenter 5.1 ESXi 5.1 GA build (799733) SRM 5.0 Issue At the time of Test Failover VM unable to Power ON due to VMX file went missing or has lost its configuration. Post Analysis we found it could be because of intermittent network connection as we were using…Continue readingRebuilding the Virtual Machine\’s VMX File

We came across very strange PSOD Issue where 9 out of 10 ESXi host kept crashing with PSOD and strange thing was every time it was random 9 servers One of the toughest weekend ever to detect this root cause. 72 hours only J Setup VMware vCenter 5.1 VMware ESXi…Continue readingESXi PSOD Issue

Setup     VMware vCenter 5.1     ESXi 5.1 GA build (799733) Purpose of Heap Size The main consumer of VMFS heap are the pointer blocks which are used to address file blocks in very large files/VMDKs on a VMFS filesystem. Therefore, the larger your VMDKs, the more VMFS…Continue readingESXi Host reports VMFS heap warnings

Setup VMware vCenter 5.1 ESXi 5.1  Discoveries When the VMDK is created as Think provisioned disk it doesn’t allow to extend the size of vmdk in VM Edit Settings and it displays greyed out Additionally if you have taken snapshot of the Thin provisioned disk. The option will be greyed…Continue readingUnable to Extend C Drive for Thin Provisioned Disk