Virtualization world

ESXi servers getting into hung state frequently  after entering ESXi  credentials  through ILO, It's goes to not responding mode After checking logs of VMware and ILO and didn't found any issue or much information, based on research found it was caused by power saving mode enabled in bios is causing the issue. so we changed the power option to high performance and the issue is gone. the following are some of best practices, do your research before implementing Setting Setting Server Availability > ASR Status Disabled Advanced Options > Virtual Install Disk Disabled System Options > Power Regulator for ProLiant OS Control Mode AMD:   Advanced Options > Processor Options > AMD Virtualization Enabled AMD:   Advanced Options > Processor Options > No-Execute Page-Protection Enabled INTEL:   Advanced Options > Processor Opti...

A  bit of history, Director’s original use case was to be the “daily management console” for XenDesktop.  Back with XenDesktop 5, Desktop Director (as it was previously called) provided real-time information and the ability to troubleshoot and “act” on VDI issues. Hosted App Usage  – Hosted Application Usage reporting provides the analytics and insights to answer who is using what for how long. License monitoring  – Be proactive, know before a license issue impacts your business.  On the Director dashboard, we include alerts for the license issues that may affect your environment.  Alerts such as “operating in supplemental grace period” or “your license is about to expire” are shown. XA 6.5 User Details views  – Expanded capabilities to troubleshoot user sessions for XA 6.5, XA 7.x, XD 5.x, and XD 7.x, all from one tool. Hotfix inventory  – When troubleshooting issues, it is useful to know...

if you are facing disk latency spikes within VMware VM's in HP Blade servers connect to Virtual Connect then check the following settings Sample Graph  Resolution: Change LLDP from "Both" parameter to “Listen” in Distributed vSwitch advanced settings and latency is below 10ms.  Note: If you are using Cisco switch configure to Both.

 1) Connect Ethernet cable to your laptop and management port and give IP address 192.168.100.8  2)   Open browser and type http://192.168.100.1  3) enter default  Username is nsroot and pwd is nsroot  4)In the navigation pane, click System.  5)On the System Information tab, click Setup Wizard.  6)In the Setup Wizard dialog box, click Next.  7)Under System Configuration, set the following parameters:              IP Address              Netmask 8)Follow the instructions in the Setup Wizard to complete the configuration

So, what’s new in XenServer 6.5? A lot of good stuff! All 64-bit Massive performance improvements 50% increase in GPU density The return of the popular Workload Balancing (WLB) appliance Numerous usability enhancements So, let’s talk about some of these performance enhancements.  While XenServer has long been known for it’s world-class compute performance, we realized that more and work workloads are now becoming I/O bound.  Thus, the team put massive effort into improving the data path through the networking and storage systems.  Here are some sample benchmarks comparing the performance of XenServer 6.5 vs. XenServer 6.2 (the last major release). Comparison of XS 6.2 to 6.5 performance Who should be interested in XenServer 6.5?  Firstly, anyone who’s using XenServer today will find this a major step up.  Upgrade today and see the difference.  Who else should be interested?  Are you building a cloud?  Xen project is the most popul...

Power shell command to set round robin policy on all LUNS attached to ESXi Servers Get-VMHost |Get-ScsiLun -LunType "disk"|where {$_.MultipathPolicy -ne "RoundRobin"}|Set-ScsiLun -MultipathPolicy RoundRobin