星期一, 2月 13, 2017

exadata x6-2 可用空間計算方式

http://nnawaz.blogspot.tw/2016/06/calculate-exadata-x6-storage-space.html

 

#exadata x6-2 1/4' 使用normal redunancyASM可用空間為:

 

The calculation is as follows - 
 Size of one disk : 7.1192474365234375TB
Disks per cell node : 12 
No of cell nodes : 3 
 Total size of Disk : 7.119TB  * 12 * 3 = 256.284TB 


Normal Redundancy  = [ Total size of Disk / 2 ] * .85 
= [ 256.284TB / 2 ] * .85 
= 128.142TB * .85 
=> 108.9207TB or 109TB [ The value in the Exadata X6 data sheet ] 

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