[Pkg-zfsonlinux-devel] Bug#983086: Bug#983086: zfsutils-linux: TRIM crashes SSD drives

[xavier at lws-hosting.com]

Hi Aron,

> I'm particularly interested in the protocol used by these disks, I
> suspect all of them are equipped with SATA 2.x/3.0?

Yes, it is SATA 3 disks on SATA 3 motherboards, Supermicro X10DRT-*.

> Prior to SATA 3.1, TRIM command is considered blocking (non-queued)
> and this might be the root cause of crashing your workload in a busy
> environment. In other words, actively trimming on SATA 2.x/3.0 disks
> could be considered harmful to the operational status of heavy
> workloads even though the disks are enterprise graded with superfluous
> IOPS capacity.

Thanks for your insight, that would explain our problem.

> Thanks for this advice and we'll have a look on how to get something
> landed for bullseye and buster-bpo.

Thank you!

Cheers,
Xavier