TRIM on mixed SSD/HHD ZFS pool

[peter.blok at bsd4all.org]

Thx for your answer, but 6 enterprise SSD are way over my budget.

> On 5 Jun 2020, at 11:23, Riccardo Veraldi <riccardo.veraldi at gmail.com> wrote:
> 
> you may opt for enterprise level SSD disks. I have been using the 9300
> NVMe series  with Lustre/ZFS writing extensive data and I have never
> needed any trimming on them. They do automatic garbage collection.
> They are quite expensive piece of hardware though.
> 
> On 05/06/2020 08:37, peter.blok at bsd4all.org wrote:
>> Hi,
>> 
>> I have decided to gradually move over to SSD in my ZFS pool. Anybody knows if ZFS will issue a TRIM designated for the SSD in this mixed case, while the HDD do not support this?
>> 
>> Peter
>> 
>> 
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>