can you shrink spanned volumes?

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Carl Patrick

Commendable
Nov 5, 2016
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I have 2 identical ssds in my pc and I have set them up as follows:
50gb of storage put in 1 partition used for my OS and for small files and programs like chrome.
the rest of the 396gb are put in a spanned volume between disk 0 and disk 1.

I made sure that I would have enough storage in both volumes however I wanted to test out if I was able to shrink the spanned volume in order to add to the C: volume however I ran into an issue where it would do that query thing but then it would say there has been an unexpected error (I don't have the specific text on my but I can tell you if you need to know it).

even though there is an option to shrink it that I can click I'm not sure if I'm allowed to do it in the first place since I don't trust Microsoft anyway. I'm not too worried on how to fix it but more if it can be fixed because I'm certain 50gb is much more than enough to last for years considering all the programs I've installed only took up 2gb l so this whole test was just to make sure I have a fall back incase I somehow did run out of storage.

thanks in advance
 
Solution
RealBeast
Yes, you can shrink a spanned volume within certain constraints. And you should have KB 2615327 hotfix installed before the shrink. HERE is a list of other constraints that are usually not much of an issue.

Right click on the spanned volume in disk management and you should have that option available. You can also span to an additional drive in the future.

Since a spanned Windows volume writes to the first volume of a set that are spanned any drive failure will take out data that you have little control in determining so insure that you backup your data periodically.
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RealBeast

RealBeast

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Sep 13, 2010
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Yes, you can shrink a spanned volume within certain constraints. And you should have KB 2615327 hotfix installed before the shrink. HERE is a list of other constraints that are usually not much of an issue.

Right click on the spanned volume in disk management and you should have that option available. You can also span to an additional drive in the future.

Since a spanned Windows volume writes to the first volume of a set that are spanned any drive failure will take out data that you have little control in determining so insure that you backup your data periodically.
 
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Solution
cryoburner

cryoburner

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Oct 8, 2011
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Why span them at all? Reliability will be a bit lower than any one drive on its own, and there's no performance benefit. Unless you have some particular piece of software that requires a lot of data to be together on a single partition, it seems kind of pointless. Even then, you could probably use something like symbolic links to make the contents of the second drive appear as a folder on the first.
 
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RealBeast

RealBeast

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Sep 13, 2010
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Good questions, and I agree although it sounds as if he has already set them up.

 
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