Installing Replication OVA – connection error

Troubleshooting
While installing the new Replication appliance (6.1.1.13216) in my lab i encounter the following error : "Connection to the remote resource was lost. Check your network connection"   Solution: Make sure that the machine you access web client can resolve vCenter/PSC DNS name you can configure the windows host file to solve this issue another solution will be access the web client from any machine that is joined to your active directory domain   Thanks for reading Mordi.  
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VCAP-DCV Deploy Objective 5.3

study guide, Troubleshooting, VCAP6-DCV Deploy
In this section we are going to cover "Manage and analyze vSphere log files" Here are the objective from the blueprint : Generate vSphere log bundles Configure logging levels for vSphere Configure and test centralized logging Analyze log entries to obtain configuration information Analyze log entries to identify and resolve issues Lab Setup: Using VMware workstation: Microsoft Servers 2012R2 for Services (DNS , DHCP, etc…) installed esx0 Installed VCSA Management workstation (Windows OS)  Documents used: vSphere Host Profiles v6.0 Generate vSphere log bundles: To generate support bundle login in to the vCSA under port 5480 with root user and click on create support bundle Or you can do it from vCenter , from the Home screen >> Administration >> System Configuration >> Objects >> Action Or you can do it via the CLI…
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VCAP-DCV Deploy Objective 4.3

DPM, DRS, Troubleshooting, VCAP6-DCV Deploy
In the following post we are going to discuss how to troubleshoot vSphere clusters The following are objectives from the blueprint : Analyze and resolve DRS/HA faults Troubleshoot DRS/HA configuration issues Troubleshoot Virtual SAN/HA interoperability Resolve vMotion and storage vMotion issues Troubleshoot VMware Fault Tolerance Lab Setup: Using VMware workstation: Microsoft Servers 2012R2 for Services (DNS , DHCP, etc…) Installed esx0 Installed esx1 Installed VCSA  Documents used: vSphere 6.0 Resource Management Guide vSphere 6.0 Troubleshooting Guide (most used) vSphere 6.0 Availability guide Analyze and resolve DRS/HA faults: You can look at the DRS fault and DRS history to collect information when troubleshooting. every vMotion migration will be shown in the history. Also always look at the monitor tab, you get information about issues , trigger events and the DRS/HA health.…
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VCAP-DCV Deploy Objective 3.4

blueprint, Networking, Troubleshooting, VCAP6-DCV Deploy, vDS, VSS
In this post we will continue to discuss VMware networking and now it time for troubleshoot a vSphere 6.x network implementation Here are the objectives from the blueprint that i am going to cover: Perform a vDS Health Check for teaming, MTU, mismatches, etc. Configure port groups to properly isolate network traffic Use command line tools to troubleshoot and identify configuration issues Use command line tools to troubleshoot and identify VLAN configurations Use DCUI network tool to correct network connectivity issue Lab Setup: Using VMware workstation: Microsoft Servers 2012R2 for Services (DNS , DHCP, etc…) installed esx0 Installed VCSA  Documents used: vSphere 6 Networking Guide vSphere Command-Line Interface Concepts and Examples Perform a vDS Health Check for teaming, MTU, mismatches, etc: To enable Health check on the vDS , click on…
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VCAP-DCV Deploy Objective 2.3

Storage, study guide, Troubleshooting, VCAP6-DCV Deploy
Finally we got to the troubleshooting part!. In this post i will ONLY suggest some ideas to look for information. at this point we need to have a good understanding on how storage works with vSphere 6. Here are the objective from the blueprint that we going to cover in this post: Analyze and resolve storage multi-pathing and failover issues Troubleshoot storage device connectivity Troubleshoot iSCSI connectivity issues Analyze and resolve NFS issues Troubleshoot RDM issues Analyze and resolve Virtual SAN configuration issues Lab Setup: Using VMware workstation: Microsoft Servers 2012R2 for Services (DNS , DHCP, etc…) installed esx0/esx1/esx2 Installed VCSA iSCSI Storage  Documents used: vSphere6 Storage Guide VMware Virtual SAN administration Guide VSAN Troubleshooting Reference Manual vSphere Troubleshooting VMware KB 1027963   Analyze and resolve storage multi-pathing and failover issues and Troubleshoot…
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VCAP-DCV Deploy Objective 1.3 – part 3

study guide, Troubleshooting, VCAP6-DCV Deploy, VUM
In this post we will continue to discuss VMware Deploy and Configure Update Manager Components here are the objectives from the blueprint that i am going to cover: Troubleshoot Update Manager problem areas and issues  Documents used: VMware Installing and Administrating VMware Update Manager Troubleshoot Update Manager problem areas and issues: For this objective i looked at the  VMware Installing and Administrating VMware Update Manager PDF and the troubleshooting section is on page 173: here is the summary: “Update Manager Web Client Remains Visible in the vSphere Web Client After Uninstalling Update Manager Server”  Possible solution: Login/Logout from the vSphere web client “Connection Loss with Update Manager Server or vCenter Server in a Single vCenter Server System” Possible solutions:restart update manager service  , re-enable VUM plugin "Gather Update Manager Log Bundles”  from VUM…
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VCP6-DCV blueprint section 7 – Objective 7.4: Troubleshoot and Monitor vSphere Performance

blueprint, study guide, Troubleshooting, VCP6-DCV
In this post i will continue to cover the troubleshooting objective and now its time for troubleshoot and Monitor vSphere Performance The following are the objective from the blueprint: Monitor CPU and memory usage Identify and isolate CPU and memory contention issues Describe and differentiate common metrics, including: Memory CPU Network Storage Monitor performance through esxtop Compare and contrast Overview and Advanced Charts Troubleshoot Enhanced vMotion Compatibility (EVC) issues   Monitor CPU and memory usage  You can monitor the performance for the Datacenter/Cluster or individual ESXi hosts.   Compare and contrast Overview and Advanced Charts: you can also look at the Advanced chart and configure what will you like to monitor , this really helps when you try to isolate an issue. Monitor performance through esxtop: Run the command esxtop on…
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VCP6-DCV blueprint section 7 – Objective 7.3:Troubleshoot vSphere Upgrades

blueprint, study guide, Troubleshooting, VCP6-DCV
In this post i will continue to cover the troubleshooting objective and now its time for troubleshoot vSphere Upgrades The following are the objective from the blueprint: Collect upgrade diagnostic information Recognize common upgrade issues with vCenter Server and vCenter Server Appliance Create/Locate/Analyze VMware log bundles Determine alternative methods to upgrade ESXi Hosts in event of failure Configure vCenter Server logging options Collect upgrade diagnostic information: Upgrade logs: C:\ProgramData\VMware\CIS\logs\ %TEMP%\vminst.log %TEMP%\pkgmgr.log %TEMP%\pkgmgr-comp.msi.log %TEMP%\vim-vcsmsi.log   Recognize common upgrade issues with vCenter Server and vCenter Server Appliance We can take a look at release notes for known installation issues  : http://pubs.vmware.com/Release_Notes/en/vsphere/60/vsphere-esxi-60u1-release-notes.html Create/Locate/Analyze VMware log bundles: To create support bundle login in to the vCSA under port 5480 with root user and click on create support bundle Or you can do it via the CLI run…
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VCP6-DCV blueprint section 7 – Objective 7.2: Troubleshoot vSphere Storage and Network Issues

study guide, Troubleshooting, VCP6-DCV
In this post i will continue to cover the troubleshooting objective and now its time for Storage and networking. The following are the objective from the blueprint: Verify network and storage configuration Recognize a connectivity issue caused by a VLAN/PVLAN Identify and isolate network and storage resource contention and latency issues Verify a given virtual machine is configured with the correct network resources Monitor/Troubleshoot Storage Distributed Resource Scheduler (SDRS) issues Recognize the impact of network and storage I/O control configurations Troubleshoot common issues with: Storage and network Virtual switch and port group configuration Physical network adapter configuration VMFS metadata consistency   Verify network and storage configuration: We already discuss how to configure Network and Storage in vSphere environment . please look on networking and and storage objectives. Recognize a connectivity…
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VCP6-DCV blueprint section 7 – Objective 7.1: Troubleshoot vCenter Server, ESXi Hosts, and Virtual Machines

blueprint, study guide, Troubleshooting, VCP6-DCV
In this post i will cover the last subject in before I take the course and then the two VCP 6 exams. The following are the objective from the blueprint: Monitor status of the vCenter Server service Perform basic maintenance of a vCenter Server database Monitor status of ESXi management agents Determine ESXi Host stability issues and gather diagnostics information Monitor ESXi system health Locate and analyze vCenter Server and ESXi logs Troubleshoot common issues, including: vCenter Server service SSO vCenter Server connectivity Virtual machine resource contention, configuration and operation Platform Services Controller (PSC) Problems with installation VMware Tools installation Fault Tolerant network latency   Monitor status of the vCenter Server service: To look or to modify vCenter services  from the home page click on system configuration under nodes ,…
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