Defective hard drives

[etorix]

Joes Rules to Asking for Help

Purpose: To assist people posting clear and informative requests for help and to define the absolute minimum information required in order to provide the helper what is needed and to reduce assumptions. Joes Rules Be considerate. This rule applies to both the person asking a question as well as the person providing the answer. Do not “assume” we understand what you are talking about. We may be good with a lot of things but mind reading is not one of them. Be detailed in your question so…

Please provide the output of
zpool status -v
camcontrol devlist
gpart list
formatted as code (</> button).
This will help us understand the situation, and what you mean by “cache”.