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Questions tagged [vmware-vsphere]

vSphere is an enterprise level virtualization solution. It acts as the cloud computing OS managing a set of VMware ESXi-based hosts.

VMware's vSphere is a cloud computing virtualization platform built around the ESXi bare metal hypervisor. vSphere includes popular features such as HA (High Availability), DRS (Dynamic Resource Scheduling), vMotion (live migration of guests), and Storage vMotion (live migration of guests disks between datastores).

See the vSphere product page at vmware.com.

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How to mount an USB drive under VMWare ESXi 5.5?

I want to mount an USB drive to VMWare ESXi 5.5 host. The USB drive is visible with lsusb : Bus 01 Device 03: ID 154b:0095 PNY But not under /vmfs. Under /dev/disks/ I see many entries, but dunno if one of those is my USB disk: mpx.vmhba32:C0:T0:L0 …
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vCPU performance between 1 or 2 vCPU's

Within virtualisation (Predominantly VMware) is there a performance advantage using either 1 CPU with 4 cores or 2 CPU's with 2 cores? Let's assume the application running on a VM can use two CPU's.
esx_admin18
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What is the recommended way to version VMware Templates?

Assume that you're in an organisation with numerous data centres, each with their own private clouds running on VMware vCenter 5.5. There are VMware templates for different Operating Systems, including Windows, Redhat Linux etc. Lets assume there…
bloudraak
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vSphere 5.1 U1 Client - "The command has timed out as the remote server is taking too long to respond"

The Problem: What we are trying to do When trying to log into vCenter using the VMware vSphere Client we are greeted with the following error when using both Windows Sessions credentials or manually supplied credentials (DOMAIN\Username): The…
user62491
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Why doesn't VMWare DRS automatically migrate VMs when a host is put in maintenance mode?

We have 4 ESXi 5.0 hosts in a VMWare cluster on shared storage (NFS) with DRS and HA on. We want to perform a memory upgrade on one of the hosts. We put that host in maintenance mode but DRS did not automatically live migrate the VMs. I'm thinking…
Belmin Fernandez
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VMWare ESX and guest settings for Netapp cluster failover

If I'm running VMWare 5.x on FC [edit] LUNs presented from a Netapp running ontap 8.x in 7 mode, what steps should I take to ensure that the VMs can withstand a worst possible case cluster node failover? HBA settings? ESX settings? Modifications to…
Basil
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Should an HA failover occur in this scenario?

I'm running vSphere 5 in an HA cluster across two hosts (vsphereA and vsphereB). I have the HA cluster configured for host monitoring and datastore heartbeat monitoring with admission control disabled (hopefully I rightfully understand that…
joeqwerty
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Why does "eager" vs "lazy" zeroing take much longer when provisioning a VM from a template?

Slightly related to a previous question about thick vs thin provisioning, why does eager zeroing the to-be-cloned VM take longer than lazy zeroing? For example, in a recent test we ran, an eager-zeroed clone took ~85 minutes to complete, whereas…
warren
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vSphere 4 - how can I cancel a file copy in progress?

VMware vSphere 4 SAN storage with multiple data-stores No vCenter I shut-down a virtual machine and using the data-store browser did a copy/paste to copy the VM to a new datastore with additional space. The file copy performance was very poor, and…
DrStalker
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How to present shared storage for MS Cluster Services running on vSphere 5

I've seen two approaches to handling the presentation of shared storage to Windows Server 2008 R2 cluster VMs on VMWare vSphere. One is the traditional method of carving out a LUN on your SAN and presenting it to both hosts through the Microsoft…
MDMarra
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vSphere machine wont start: Insufficient disk space on datastore

I am trying to add a virtual disk using a VMFS datastore with 1.98 TB of capacity and 85 GB used. I then power on the virtual machine, and it gives me the Insufficient disk space on datastore error. And so I removed the newly created disk and try to…
Jean-François Beaulieu
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VMWare vSphere and the move from ESX to ESXi

I was working on a standalone ESX 3.5 system last night in order to upgrade to vSphere 4.1u1. I realized that the full ESX download had been deemphasized on the VMWare website. While I've known that the focus in the VMWare world was moving towards…
ewwhite
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Server health monitoring software

Hey all! I am looking for some software to monitor the health status of our servers. Our environment is a pretty typical mix of HP/Dell running Microsoft Server and VMware vSphere. We are currently using WhatsUPGold and would like to migrate away…
Chadddada
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How to renew VMware certificate in Veeam

I had to reinstall the vcenter appliance. Since that the Veeam backupjobs fail with the error: Task failed error: The remote certificate is invalid according to the validation procedure Presumably the certificate was renewed. How can I import it?
NewUser
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vSphere Replication Performance Impact

We're planning to move some production workloads to a UCS environment using vSAN and all flash. We are looking at vSAN with replication as we have two identical nodes in two data centres. Is there a performance hit from using replication that would…
Matt
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