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45541
March 22nd, 2012 09:00
NTFS allocation unit size for a Fileserver
We decided to put our fileserver-data on an Equallogic array and connect it to a physical windows 2008 r2 server. now i tried to copy the user profiles located on a fileserver share to the equallogic and noticed that the small files need much more space on disk than on the old system. the old drive was formated with 4kb unit size. the new one with 64k for performance reasons.
should i create a small volume with 4k unit size for the profiles or will this increase overall performance of the storage?
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BruceBacka
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March 25th, 2012 16:00
One of the challenges in today's world of big drives and big data is what to do with small files. Unless you have a lot (thousands, tens of thousands) of small files, you should leave well-enough alone. The disk space you'll recover isn't worth much and performance is better when everything is aligned.