On 7/6/2015 7:59 PM, R Hey wrote:
Does this 30% apply to every local page DS, or total space of all DS?
Any overhead of using a mix of small & very big sizes?
TIA,
Rez
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The 30% applies to each individual page dataset. I don't recommend
mixing and matching large and small page datasets. Harder to manage,
and easier for one page dataset to go into the red zone. As we saw in
the D ASM example earlier, ASM doesn't distribute pages based on page DS
size, and the smaller page datasets were over 30% while the larger page
datasets showed single-digit usage. That's why I recommend the same
size page datasets. I typically use 3338 CYLINDERS on a 3390-3.
Regards,
Tom Conley
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