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Old 2nd May 2011
kly kly is offline
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Default How do you pick the best block size?

Hi,

We have always accepted the defaults for our servers but I'd like to try customizing settings for better space and performance. Does anyone have a good formula or can point me to some good documentation on picking the best block size? We're going to have a new hard drive with a smaller number of bigger files.

I understand about picking a good inode density based on how many files we'll store. I also see that they recommend a frag size of 1/8 the blocksize. I know they recommend larger blocks, but I'm just confused about how do you know the best size to pick? What is the maximum blocksize UFS2 supports?

Thanks!
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