Solved

Need more disk space on virtual server. Should I add more disks on VM and then use Windows to make spanned volumes?

Posted on 2014-11-04
5
475 Views
Last Modified: 2014-11-05
hi guys,

I'm building a new file server. The original data is on a Windows 2003 server along with SAN storage. We're talking around 6-7TB's of data.

I've got storage on our SAN worth around 14TB. So if I wanted to create a new file server with around 10TB available on it, I would need to create large enough disks.

Now, I've been told that adding disks to Windows and then created a spanned volume on there isn't a great idea for performance? Is that true?

I'm running Vmware 4.1 sadly for now, so I know you can only go up to 8mb blocks and then create a maximum 2TB disk size until we upgrade to vmware 5.5 (which we are planning doing within the next 2 months).

Should I wait and upgrade to Vmware 5.5 and then be able to add larger disk blocks? Is that better for performance?

Thanks
Yashy
0
Comment
Question by:Yashy
  • 3
  • 2
5 Comments
 
LVL 120

Accepted Solution

by:
Andrew Hancock (VMware vExpert / EE MVE^2) earned 500 total points
ID: 40422220
Performance of spanned disks, is poor, also spanned disks, as a way to increase disk size is really a "hack job".

Options

1. Spanned DIsks - the "hack job"

2. Create a 10TB LUN, and present this to the VM as a RAW Disk. (RDM)

3. Create a 10TB LUN, and present this to the VM as an iSCSI DIsk, in the VM, using Microsoft iSCSI Initiator.
0
 
LVL 1

Author Comment

by:Yashy
ID: 40424176
Hey Andy,

Thank you sir.

I usually add the disk by creating a new virtual disk and then selecting the datastore.

Can you tell me the difference between adding it as a RAW Disk? When I looked into that option it seems like a far more complex route of adding a disk, which evidently has its reasons.

Cheers
0
 
LVL 120
ID: 40424209
0
 
LVL 1

Author Comment

by:Yashy
ID: 40424367
Aha....just read it. I get it now:). I don't use it and would love to see how they are used in environments, but I now understand why they're used.

Thanks Andy for the feedback as always
0
 
LVL 120
ID: 40424532
No problems.

Andy
0

Featured Post

Microsoft Certification Exam 74-409

Veeam® is happy to provide the Microsoft community with a study guide prepared by MVP and MCT, Orin Thomas. This guide will take you through each of the exam objectives, helping you to prepare for and pass the examination.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

In this article we will learn how to backup a VMware farm using Nakivo Backup & Replication. In this tutorial we will install the software on a Windows 2012 R2 Server.
Giving access to ESXi shell console is always an issue for IT departments to other Teams, or Projects. We need to find a way so that teams can use ESXTOP for their POCs, or tests without giving them the access to ESXi host shell console with a root …
This Micro Tutorial walks you through using a remote console to access a server and install ESXi 5.1. This example is showing remote access and installation using a Dell server. The hypervisor is the very first component of your virtual infrastructu…
How to Install VMware Tools in Red Hat Enterprise Linux 6.4 (RHEL 6.4) Step-by-Step Tutorial

730 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question