ZFS questions

Fremmel

n00b
Joined
Sep 9, 2016
Messages
1
Hi I have a storage pool with 12x 2TB mirror, ssd logs mirror and ssd cache drives.

I know you should not go over 80% of the total space for best performance.

We where suddenly experiencing very slow performance. The storage was not over 80%.
We had a lot of snapshots, and if we deleted the most of it. the speed went fine again.

Can someone explain to me why this can happen? it was not nearly the 80% but around 70%

thank you guys!
 
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