Pool Offline (but shows Online) after reboot

[BoilerAC]

The main Pool on our system is showing as “OFFLINE” and is in-accessable after a recent reboot. What is the easiest way to troubleshoot without losing any of the data on there. All of the disks show up and when I do “zpool import” in CLI it shows the Pool and all the raidz2s as “ONLINE”.

I saw this post while searching: Reboot and pools offline | TrueNAS Community is it our best path forward?

Thanks!

[Arwen]

Welcome to the TrueNAS forums!

We need more information:

• Version of TrueNAS Core
• Output of zpool import in CODE tags
• Complete hardware listing
• Make & model of the drives used and how they are wired to the server

It could be something straight forward or simple, but we can’t tell at present.