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SBS2011 OS Space

Posted on 2014-03-16
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Last Modified: 2014-03-31
SBS2011 OS Space on the hard drivePaging File SizeI set up SBS2011 as a VM on Hyper-V (Windows 2012 Server).
I allocated total 400GB for the VM and as I started to install SBS2011, I created 126GB parition first. When SBS2011 OS was completely installed, I open CompMgmt.msc and created a partition of 273GB and a drive letter E was assigned.

What is strange is that SBS2011 OS took ONLY 36.4GB of space out of 126GB partition so far. I installed SBS2011 several times in the past and they all have taken 90GB - 110GB including Paging File (ranging from 17GB-34GB, depending on physical RAM of the server).
But 37GB is something I have never seen and it even include 10GB of paging file too.

Is this an indication that installation has gong wrong? The only thing that I did differently this time is that I did not let it update online during the installation. However after it was completely installed, I did updates over 500MB of data.
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Question by:sglee
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Imtiaz Hasham earned 500 total points
ID: 39933037
If its operational, don't worry too much.  It's not an exact science.

Because of Windows Updates or something similar you might have this space anomaly.

Also could be due to other software!
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by:sglee
ID: 39933086
As a matter of fact, OS showed blue screen of death at the end of Firefox version upgrade today.
So I am not comfortable at all using this OS in production environment. I know I am going to re-install SBS2011 from the scratch. But I like to learn from this experience. 36 GB is simply too small based on other servers that I manage.
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by:Imtiaz Hasham
ID: 39933100
If you had a BSOD, I would certainly recommend a reinstall.

Moreover, don't use many end user softwareson sservers is my advice.  Don't install Firefox when you have IE
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by:sglee
ID: 39933103
What is smallest Sbs2011 OS size that you have seen?
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by:Imtiaz Hasham
ID: 39933115
95GB.  I was a bit confused when I saw your initial email, I thought you had 130Gb and then I saw 30GB, hence the reinstall suggestion
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by:sglee
ID: 39933118
That is consistent with all of my servers that I manage. How big of partition did you allocate for OS partition?
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by:Imtiaz Hasham
ID: 39933139
I personally prefer having a single partition on SBS because of logs and updates.
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by:sglee
ID: 39933148
How much space in GB do you allocate for Sbs2011 OS partition?
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by:Imtiaz Hasham
Imtiaz Hasham earned 500 total points
ID: 39933154
I dont allocate OS and data in separate partitions
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by:Imtiaz Hasham
ID: 39933155
Why dont you run BPA  on the server?
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by:sglee
ID: 39933156
So you keep both OS and data in one partition?
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by:Imtiaz Hasham
ID: 39933160
Yep, its not against BPA and easier to manage
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by:sglee
ID: 39933165
I am going to do the same install on another test server using the same partition size (126GB) and compare the results.
I definitely feel that this install has gone wrong somewhere. There is just no way that SBS2011 initial complete install is 36GB including paging file.
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by:Imtiaz Hasham
ID: 39933177
I concede
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