SSD分割與顆粒空間分配 - 儲存設備
By Poppy
at 2014-03-29T15:50
at 2014-03-29T15:50
Table of Contents
假設某SSD,主控是Marvell晶片。
記憶體顆粒一共8顆,分別給它們一個代號0~7。
分割對半成兩個分割區C、D。
這樣空間會怎麼分配在顆粒上?
1.C分割分配在0~3,D分割分配在4~7。
哪個分割區寫入較多,那4顆顆粒比較早掛掉。
2.C、D分割共用0~7,無特定分配關係。
平均分散寫入,8顆顆粒壽命平均消耗。
個人主觀認為應該是2.,因為這樣設計壽命比較長,比較合理。
不過實際上是怎樣運作?有點好奇,想請教一下。
--
記憶體顆粒一共8顆,分別給它們一個代號0~7。
分割對半成兩個分割區C、D。
這樣空間會怎麼分配在顆粒上?
1.C分割分配在0~3,D分割分配在4~7。
哪個分割區寫入較多,那4顆顆粒比較早掛掉。
2.C、D分割共用0~7,無特定分配關係。
平均分散寫入,8顆顆粒壽命平均消耗。
個人主觀認為應該是2.,因為這樣設計壽命比較長,比較合理。
不過實際上是怎樣運作?有點好奇,想請教一下。
--
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儲存設備
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