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4

It's a balance between price and performance. Mechanical SATA drives obviously have better prices but are in no way designed for such jobs, so for a serious business it's a no-go SAS protocol has enhanced features (for example queue re-ordering) that allow them to better manage I/O from multiple VMs and so they are much-more efficient (even with the same ...


3

After over a year of waiting so as to prove the solution as valid, I'm finally able to post this answer. Dell's default BIOS settings have C-States enabled, which puts the computer in low-power mode during idle times. This is what causes the VMs to spiral into 100% CPU usage on a Hypervisor host (VMWare, Citrix included). The solution is to set the System ...


3

There is no way to run commands on an Azure VM from outside the VM itself; there also is no VM console access. This is a really big limit in Azure, unfortunately. If you accidentally lock yourself out of a VM, the only way to recover it is by downloading its virtual disk and running it on a local Hyper-V server, where you can get console access and fix ...


2

IIRC Hyper-V snapshots are supported in Windows Server 2012. In all cases, snapshots are equivalent to "restore from backup". So you should honor general rules of restoring AD from backup. The most important parameter is the TSL (Tombstone Life Time). I.e. restoring a snapshot older than TSL can cause a lot of troubles. It's better and easier to rebuild the ...


2

On your Hyper-V host, install Routing and Remote Access. Then you can use RRAS to NAT from your public IP address inside to your virtual machines, using the IP addresses assigned to their virtual network adapters. However, beware! Installing RRAS from a remote session often locks you out as you configure RRAS as your session becomes invalid under the new ...


2

You could always spin up a virtual firewall/router VM with two NICs, and route through to the VMs. PFSense plays nicely with hyper-v 2012r2+ and is incredibly easy to setup and manage.


2

It sounds like you're running into IO contention. There are a couple ways of fixing it: Separating the workloads. Put the testing on one set of disks and the VMs on the other. That way one won't interfere with the other. Nuke the problem with SSD. Solid-state is much more I/O friendly. If you can afford the space you need, this will make sure your I/O ...


2

It depends! Does the client need VDI? Does the client want more powerful desktops than VDI can give them? There's nothing strictly wrong with this environment, though at this scale virtualizing the RDP server isn't getting them anything. Do they plan to scale up? If so, you can probably keep this and prepare to add more servers, virtual and physical. ...


1

Sounds like the DNS configuration is incorrect. If you only have 1 domain controller, set the DNS server on its network adapter to 127.0.0.1. If you're using more than one, set the primary DNS server to the IP of the other DNS/AD server, and the secondary to 127.0.0.1.


1

If you have installed the custom script extension, you may use it to disable or configure your firewall.


1

EDIT @massimo already answered this (and I didn't realize he covered the attach-disk solution). But, since I already typed this up, I'll leave the answer here, since it contains a bit more detail about attaching a disk from a locked-out VM... To access your VM's disk if you're locked out, you can delete the Virtual Machine (but not delete the disk/vhd or ...


1

Have you tried running precompact.exe or similar tool (easiest by mounting the ISO file) on the guest first to zero out the reclaimed space? Then run the VHD compact process after that. See Compact/Shrink an Expandable/Dynamic VHD to fully recover space


1

Just wanted to point out to official Microsoft KB about this: Virtual machines lose network connectivity when you use Broadcom NetXtreme 1-gigabit network adapters As I understand this VMQ thing not properly implemented in cheap NICs and as vendors tend to deliver drivers which are targeted to whole product family of NICs not for specific one (i.e. one ...



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