Accounting for 37GB of phantom disk space

[goombawaho]

I have a windows 2003 small business server that I was going to migrate from 1 SATA hard drive to a RAID 1 setup. I took a screen shot of the disks in disk management and also the amounts of data by right clicking in my computer before I did anything.

Basically it was a c: drive and a d: drive - same physical disk.

Before I did anything, the report showed about 82GB on drive D: (the data drive). I did a CHKDSK /F on both C: and D: before cloning.

I cloned the operating system to a RAID 1 using Ghost and then manually copied the data over to the new D: drive from the old hard drive as a slave.

When I check the data on the D: drive the same way as above (right click drive in my computer, properties), it shows only 45GB of data. So, I check the old drive and it says 45GB of data. Same number of files/folders on old and new too.

So, I look at the NTbackup logs over the last few days and it is reporting 80,000,000,000 bytes which is like 80GB, but the same number of files and folders as what I have now.

So, the question is, where is that space that was being (falsely?) reported on the old backup and when the old hard drive was booted up into the O.S. I just don't get it. No data is missing. It just seems like there was a hidden space hog of about 37GB.

 

[58sniper]

If it's also including individual mailboxes in addition to the raw files, I could see that being the case.

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Stop by the new Tek-Tips group at LinkedIn.

 

[goombawaho]

They aren't using Exchange (using local Outlook) and only the D: drive was backed up which has two folders SHARED and an app folder. And the data size I measured both before and after was only the D: drive.

Or am I missing what you're saying?

 

[JordanCN2]

System Volume Info folder could be inflated. You cannot see what is in there.

 

[goombawaho]

Inflated - meaning actually that large or misrepresented in the file system.

A CHKDSK was run on the drive prior to any of the cloning.

 

[itsp1965]

Do you have Shadow Copies enabled?

 

[goombawaho]

Backup is via NTBackup and Volume Shadow Copy service IS turned on.

 

[itsp1965]

I am not referring to VSS per se, but Folder shares shadow copies.
on the Local Disk Properties page, on the Shadow Copies tab.

 

[goombawaho]

Ok, I'll look into that. Something to check.