[OpenIndiana-discuss] Huge ZFS root pool slowdown - diagnose root cause?

[Bob Friesenhahn]

On Mon, 10 Dec 2018, jason matthews wrote:
>
> Based on this, your disk is just super busy. Perhaps from the scrub? You are 
> doing about 200 reads/second and 100 writes per second. Identify what is 
> causing the writes and stop it.

Remember that he also saw slowness during boot which should not be 
doing anything similar to scrub.

It seems like this drive model is a bit old since I see posts about it 
dating from 2012.  This is apparently a 4k sector drive.

Bob
-- 
Bob Friesenhahn
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