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VMWare ESX - Need more space

On VmWare ESX Standard, I have a Datastore called storage1, capacity 812.25 GB, Free 651.63 GB. When I create a new virtual machine using that group, I cannot make a partition larger than 100 GB? I currently have two VMs, the first is supposed to be using only 60 GB, the second is 100 GB.

I'm sure I've done something (I'm a newbie at VMWare) wrong, but I'm not sure what. How do I see what I've messed up and create a new VM with 500 GB HDD space?
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light-blue
Asked:
light-blue
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2 Solutions
 
rvthostCommented:
I suspect maybe a "block size" issue?  For instance, when I needed a VM to have a 1TB volume, I had to make the datastore have a block size of 8MB versus 1MB like many of my smaller LUNs.  This is chosen when you create the datastore.  Unless there's some magical way, this can't be changed after the fact...meaning you would have to delete the datastore (which deletes all data on it), and recreate it with the correct block size.
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mxp1l0tCommented:
The default block size is 1Mb with Maximum file size 256Gb.

You can check this on your datastore by going highlighting your ESX server >> Configuration >> Storage >> storage1 >> properties.  That will tell you what the maximum file size is set to.

rvthost is correct that the datastore must be deleted and recreated to change it.
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light-blueAuthor Commented:
Yikes! Can I at least save the VMs to a UNC before deleting the store?

Storage details below
=================

Details:

Volume labe: storage1
datastore name: storage1

Formatting
file system: vmfs 3.21
block size: 1MB

extents
vmhba0:0:0:6 812.45 GB

total formatted capacity: 812.25 GB

160.62GB Used
651.63GB Free
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mxp1l0tCommented:
In the format box it should also say what the Maximum File Size is.
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light-blueAuthor Commented:
ah ha! mxp1l0t, you are awesome. that was exactly the trouble. only 256 GB maximum file size (after clicking Properties on the datastore).

now, since i must delete the datastore, is there a way to save the VMs somewhere (VM Converter?), delete the datastore, and restore my VM? (if it's an involved procedure, I'll open another EE question).
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rvthostCommented:
There's multiple ways you can tackle this, but have you heard of Vizioncore's esxRanger product yet?  It's really a great software tool and we use it regularly for DR images.  Load up the software on a Windows box, point it at your ESX host, and it creates DR images of your VMs that can be saved to any Windows share or Linux mount point.  The beauty, long term, is that you can take DR images of these VMs while they're up and running.  The saved files only consume how much data is really in the VM (100GB VM with only 5GB of actual data, you'll get a 5GB or smaller DR image).  It's not a free product, but it's not that pricey IMHO so it's worth the bucks.

http://www.vizioncore.com/
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light-blueAuthor Commented:
Being cost conscious, and not having tested vizioncore yet, I ssh'd the entire /vmfs/volumes folder to a linux box with plenty of drive space. it's not as elegant but it should work, according to the vi3_vm_backup.pdf guide.

Vizioncore seems exciting. I will investigate.

Great input, rvthost!
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