Subj : Re: Move bookworm system from SSD to NVME
To   : All
From : The Natural Philosopher
Date : Fri Aug 02 2024 15:12:57

On 02/08/2024 15:03, Björn Lundin wrote:
> On 2024-08-02 14:51, The Natural Philosopher wrote:
>
>> Never mind sync.
>>
>> It's important to wait anyway on an SSD/nvm until it has finished its
>> internal business.
>>
>> For any copy process.
>
>
> dd'ing 500 Gb to an ssd disk, I've seen sync taking 30 s or more
> and sync is of course started AFTER dd is done
>
> So - how do you know it is done its internal business?
> Not all drives have blinking LEDs
>
> sync makes it easy to know
>
>
Even sync may not be enough.
SSDS/NVM have their own internal  caching.

--
"In our post-modern world, climate science is not powerful because it is
true: it is true because it is powerful."

Lucas Bergkamp

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