Solved

Unable to expand disk Windows 2008 R2

Posted on 2013-01-25
4
3,577 Views
Last Modified: 2013-01-31
Hi,
I'm trying to expand a disk on my Windows 2008 R2 Std server, The current disk size is 15TB.
When I run the extend command I get the following error:

Virtual Disk Service error:
The volume cannot be extended because the number of clusters will exceed the maximum number of clusters supported by the file system.

The array is Raid6 with 15 x 2TB disks (2 hot spares)
The disk is a Basic GPT,
Bytes Per Sector  : 512
Bytes Per Cluster : 4096
Bytes Per FileRecord Segment : 1024

Is there way to get round this without having to format the drive?

Chris
0
Comment
Question by:comistechnology
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
  • 2
4 Comments
 
LVL 58

Expert Comment

by:Cliff Galiher
ID: 38821959
Care to share a little more about your configuration? Is this a system partition? A data partition? What controller is handling the RAID? Is this a physical partition? A virtual partition? Is it direct attached storage or iSCSI?
0
 
LVL 10

Accepted Solution

by:
172pilotSteve earned 100 total points
ID: 38822244
Because when you ORIGINALLY created the filesystem, you formatted it with the default 4k clusters, you've hit a maximum (16t)

Here's a Microsoft article about exactly the same problem:
http://social.technet.microsoft.com/Forums/en-CA/winserverfiles/thread/46e3ccc9-3975-4675-9071-9be214592623

I dont know of any program that will allow you to change the cluster size on an existing volume, so I dont really have any magic bullets...     You could go with the mount point idea mentioned in the MS article, but that's going to mean you're going to have to basically manage which subdirectories are on what partitions within the volume..  As much of a pain as it seems, you might want to just bite the bullet and back it up, format it with 64k cluster size and then restore..  You'll be OK up to 256tb then!

-Steve
0
 

Author Comment

by:comistechnology
ID: 38826963
Hi,

It's a Data partition which currently has 13TB of Data on it.
It's using a Dell MD1000 attached with a PERC 6/E Adapter.
Physical Partition and a direct attached Storage

Chris
0
 
LVL 58

Expert Comment

by:Cliff Galiher
ID: 38828398
E as another poster mentioned, you are limited by the choice of cluster size. There is no on-the-fly conversion option.
0

Featured Post

Free NetCrunch network monitor licenses!

Only on Experts-Exchange: Sign-up for a free-trial and we'll send you your permanent license!

Here is what you get: 30 Nodes | Unlimited Sensors | No Time Restrictions | Absolutely FREE!

Act now. This offer ends July 14, 2017.

Question has a verified solution.

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

Redirected folders in a windows domain can be quite useful for a number of reasons, one of them being that with redirected application data, you can give users more seamless experience when logging into different workstations.  For example, if a use…
New Windows 7 Installations take days for Windows-Updates to show up and install. This can easily be fixed. I have finally decided to write an article because this seems to get asked several times a day lately. This Article and the Links apply to…
This tutorial will give a short introduction and overview of Backup Exec 2012 and how to navigate and perform basic functions. Click on the Backup Exec button in the upper left corner. From here, are global settings for the application such as conne…
This tutorial will walk an individual through the steps necessary to enable the VMware\Hyper-V licensed feature of Backup Exec 2012. In addition, how to add a VMware server and configure a backup job. The first step is to acquire the necessary licen…

691 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