Tag: Vmware vSphere

Setup  VMware vCenter 5.5 Update 2 ESXi 5.5 Update 2 Hitachi HUS 110 Issue  After the upgrade from ESXi 5.0 to 5.5 Update 2 ESXi host got disconnected from vCenter  We were able to ping host however unable to access/add from vCenter All the VMs on the host are also…Continue readingESXi Hosts Disconnected After Upgrade to 5.5

This table lists the supported host operating systems for vCenter Server installation. Windows Operating System 5.5 U2 5.5 U1 5.5 5.1 U2 5.1 U1 5.1 5.0 U3 5.0 U2 5.0 U1 5.0 4.1 U3 4.1 U2 4.0 U4 Microsoft Windows Server 2012 R2 64-bit Yes Yes Yes Microsoft Windows Server…Continue readingSupported host operating systems for VMware vCenter Server installation

What\’s New Support for hosts with 6TB of RAM – vSphere 5.5 Update 2 starts to support hosts with 6TB of RAM. VMware vShield Endpoint Thin Agent as VMware Tools Guest Introspection plugin – The vShield Endpoint driver bundled with VMware Tools is now called Guest Introspection. vCenter Server database…Continue readingvSphere 5.5 Update 2 is Released

VMWare has release KB Article which states ESXi 5.x host fails with a purple diagnostic screen (PSOD) http://kb.vmware.com/selfservice/microsites/search.do?cmd=displayKC&docType=kc&externalId=2059053&src=vmw_so_vex_mmakh_407 Resolution This is a known issue affecting ESXi 5.0, 5.1, and 5.5 hosts and virtual machines using the E1000 and E1000e virtual network adapters. For more information about available network interface types,…Continue readingPSOD for ESXi 5.X Due to E1000 NIC Driver

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