Replacing Drive with SSD

Quartz quartz at
Mon Aug 31 19:57:16 UTC 2015

>physical blocks are
> not allocated to logical block addresses until the block is written to for
> the first time, so all blocks are spares until they are used and they can
> be returned to the spare pool using TRIM.

Ahh, ok. That was the missing piece of the puzzle. Thanks.

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