ZFS mirror keeps going offline/removed

[Mike Tancsa]

On 5/29/2018 10:29 PM, Aaron wrote:
> So recently my ZFS mirror keeps getting both drives marked as removed which
> 
> May 29 19:20:33 darkserver kernel: ada2 at ahcich2 bus 0 scbus2 target 0
> lun 0
> May 29 19:20:33 darkserver kernel: ada2: <ST4000DM005-2DP166 0001> s/n
> ZDH1CTDZ detached

If I am reading this right, the physical drive is disappearing from the
system.
Try installing smartmontools
and post
smartctl -a /dev/ada2




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Mike Tancsa, tel +1 519 651 3400 x203
Sentex Communications, mike at sentex.net
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