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关于SSD的一些问题

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有两个问题想要请教:

1、SSD TRIM Settings定时执行trim操作,是只针对作为缓存的ssd有效吗?阵列中的ssd是否也生效?

2、SSD是否可以加入阵列使用?看当前最新官方文档,貌似不推荐,但实际使用好像没有问题,能具体解释下官方不推荐的原因吗?

Solved by Vr2Io

  • Solution

因為區塊 trim 後, 重讀這些區塊可以係不確定, 這樣會造成  parity 驗證不正確, 但有啲ssd會係 trim 後讀出全零, 這樣便沒有問題. 因此 Unraid 直接不允許在 array disk trim. 其實 trim 不 trim, 好多時都係冇大問題, 不用糾結.

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