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Say I have a 120GB SSD and a 2TB volume from a portion of a larger RAID6 array. I would like to spin up a Windows Server VM for purely low-impact personal use that employs a large data store in some fashion. Which would be a better practice: (a) Separate the OS and data drives, physically, by giving the SSD the C:\ drive and the 2TB RAID the D:\ drive, or (b) place the VM completely within the RAID array and disregard the SSD?

It strikes me that (a) might offer more performance and a negligible space increase while (b) might improve fault tolerance, since the SSD is not backed up in this scenario.

moonslug
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1 Answers1

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Not sure why you got down-voted already but this question does look like "asked and answered" to me. The key phrase is "low-impact personal use".

Generally you gain little if anything by placing the OS on an SSD. Server OSes are a lot less "chatty" than desktop OSes, so there's a lot less disk I/O going on. Ordinarily you would put database transaction logs or any other kind of volume that has a lot of I/O going on and needs the performance onto faster storage.

Reality Extractor
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