100 VDI users unable to login to View desktops and VMs were not powered on.
Timestamp: 17th Dec,2013 07:30 local timeAnalysis:- As per view connection manager logs, users were not able to connect to the desktops since they were not powered on followed by ldap...
View ArticleBackup of VM randomly fails using VDP.
VM: VM-ATime: 9PM 30 May,2013Analysis:-VM backup fails during create snapshot.2013-05-30 21:07:06 avvcbimage Info <14632>: snapshot create completed2013-05-30 21:07:06 avvcbimage Info...
View ArticleIssue reported as Storage path failovers and disconnects.
Analysis:- We noticed lot of aborts being received at Qlogic hba as per below log snippets. Apr 4 01:29:09 vmkernel: 82:03:10:13.242 cpu39:4311)<6>qla2xxx 0000:41:00.0: scsi(6:2:10): Abort...
View ArticleLUNs are not responding while being browsed from ESXi.
Environment:ESX build # VMware ESXi 4.1.0 build-348481Host Hardware DELL PowerEdge R710Symptoms:- VMs on hosts ESX001 and ESX003 are not responding.- Unable to see any VMs listed for ESX002.- All LUNS...
View ArticleSLES11 SP2 VM encounters CPU contention issue on ESXi.
Description: SLES 11 SP2 VM encounters CPU crunch issue constantly on ESXi 5.0 U1 There is only one VM running on the host.There is no CPU limit or reservation set.System Configuration: ESXI...
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Unable to access single VM Guest OS.
Symptoms:- Unable to rdp or view Guest OS console.- VM shows as powered on.- While trying to cd into VM directory, it gives an input/output error.- Only one VM in that datastore is impacted while other...
View ArticleESX restarted automatically twice.
Time Stamp: Jan 6 06:10:16 and Jan 13 06:10:30 local time.Hostname: esx1.vmware.comVersion: VMware ESX 4.0.0 build-164009Server Model: Specification Version: 2.0 Vendor: IBM...
View ArticleESX/ESXi Hosts connected to DELL MD3xxx series may lose access under heavy IO.
Symptoms: - ESXi was not responding, but was pingable.- VMs were not responding.- Heavy IO load on the LUNs leading to high latency.Environment: ESXi 5.0 Build 504890 (ESX/ESXi 4.1 is also...
View ArticleAlert: NFS jinx on vSphere 5.5 U1 resolved !!!!!!!!!!!!!!!!!!!!!!
- There was an issue reported earlier in vSphere 5.5 U1 where NFS APD was reported intermittently.- kb related to the issue:http://kb.vmware.com/2076392- This lead to BSODs on Windows VM and read only...
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Hands on Nutanix Product Sizer Tool
This blog is kinda special to me for couple of reasons:- Its my first blog after I left VMware.- This is my first blog for Nutanix. Nutanix recently released the product sizing tools for the...
View ArticleDid you run Nutanix Cluster Check (NCC) ??
NCC 1.3.1 is GA now.I know most of Nutanix customers know NCC by now.Its a framework that runs a set of checks on CVM to ensure the health of Nutanix cluster is good.When should we use NCC ?- Post...
View ArticleNCC One Click Upgrade
This blog is my first video blog of NOS 4.1.1 series which is released today.Started with a simpler one on how to do a NCC One Click upgrade from 1.2 to 1.3.1.Feedback on the blog is much...
View ArticleNutanix TechTip1: How to revert to previous ncc version ??
Scenario: Customer is upgrading ncc (Nutanix Cluster Check) and it failed in the midst of upgrade.Situation: How do I get out of it and revert back to square one ??Solution: - ssh into CVM with nutanix...
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Nutanix TechTip 2: Trigger Automatic NOS download instantly in Prism web...
Scenario:- When you click on Upgrade Software in Nutanix web console under Gear Wheel icon, there is an option Enable Automatic Download for NOS.- If we check it, it wont start the NOS binary download...
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ESXi hangs and stops responding
- Recently I had a customer who reported that the Nutanix node is not responding and he had to reboot the node to bring it up.ESXi version: 5.5 U2- We ssh'ed to ESXi and checked the vmkwarning logs and...
View ArticleNutanix AOS 5.0 Feature - Acropolis Dynamic Scheduler (ADS)
ADS is an intelligent feature that uses Machine learning to detect hotspots.It is reactive to changes in Workload.By default, it is always on and system will execute what is best for VMs.There is no...
View ArticleNutanix AOS 5.0 Feature - Multi-hypervisor Management via Prism
Currently Prism UI supports VM create, update and power on tasks only for AHV Hypervisor.From 5.0 onwards, we would support VM CRUD (Create,Resume,Update,Delete) operations for ESXi hypervisor as...
View ArticleNutanix AOS 5.0 Feature - Self Service Restore (SSR)
This feature provides an intuitive UI to perform file and folder recovery on UVM using the snapshots created in Async DR. CLI Version introduced in AOS 4.6ngtcli can be opened from C:\Program...
View ArticleNutanix AOS 5.0 Feature - NGT Silent Installer for Windows
This features ensure we don't have manual intervention for installing NGT unlike earlier.NGT Silent Installer can be done as below:- Mount the NGT iso from ncli or Prism page.- Installation can be done...
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Nutanix AOS 5.0 Feature - Portal Connection/ One Click Licensing/ Add-on License
Portal ConnectionThis feature allows the Prism user to securely communicate with Support Portal (portal.nutanix.com) APIs.Pre-requisites:Generate an API key on Support Portal...
View ArticleNutanix AOS 5.0 Feature - Life Cycle Management (LCM)
LCM will be a single pane of glass for software/firmware updates.In LCM 1.0, it will only support LCM framework and firmware updates.Before performing an update, it does a pre-check to verify cluster...
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Nutanix AOS 5.0 Feature - I/O Metrics
I/O Metrics provides info. at VM level and is currently available on PE and not on PC.Information details are as below:Avg. IO Read and Write LatencyPerformance Distribution at a given point of time in...
View ArticleNutanix AOS 5.0 Feature - Cluster Network Visualization
Cluster Network Visualisation is an interactive page that shows the network topology of Nutanix Nodes.It shows all the network entities and their relationship with each other.Pre-requisites:Only for...
View ArticleNutanix AOS 5.0 Feature - VM-Host Affinity and VM-VM Anti-Affinity Rules
VM-Host Strict (Must) AffinityVM has a strict affinity to one hosts or group of hosts.Can be configured from Prism.Acropolis Dynamic Scheduler (ADS) shall never violate the policy. It shall fail VM...
View ArticleNutanix AOS 5.0 Feature - NCC 3.0 on Prism
Nutanix Cluster Check does a health check of Cluster by running different checks based on System, hardware, hypervisor, storage and network is available on Prism Page.Customers need not run it from...
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