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October 12th, 2015 02:00
Vmax3 device creation issues
We are facing issues with the device creation on the Vmax3. After specifying the device capacity, the device is getting created with another capacity.
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KW160
121 Posts
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October 12th, 2015 06:00
This is expected behavior. All devices on VMAX3 must be created with an whole number of Cylinders. On VMAX3 1 cyl = 1920KB. So all devices must be sized in 1920KB increments.
In this case 517894 MB = 276210.1333 Cyl.
So we must round up to the next whole cyl:
517895.6MB = 276211 cyl.
(when solutions enabler reports this capacity it is rounding up to the nearest MB)
SameerKulkarni1
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37 Posts
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October 12th, 2015 06:00
This could be the way VMAX3 calculates the blocks differently. I have seen this difference when i tried to map VMAX devices to VPLEX.
would be interested to hear from others on this topic