Howto for myself - pool degraded, what to do

[flashdrive]

as per GUI the pool is degraded

theory:

1) HDDs are not capable for long time run NAS
2) HDD spindown is affecting this negativly
3) HDD vibrations are too much for the system to stay always online

Howto:

• Check all physical connections (power and data)
• unplug and replug
• check BIOS / EFI if all drives are listed
• check Boot order
• resilver pool
• disable cron job for auto shutdown / enable after resilver finished

todo's:

no active internet connection - how to be notified in case of errors?

Hello, I have a build without an active internet connection (on purpose). What options do I have to get a messge in case of system errors, i.e. pool degradation? I can think of: periodical manuel login into the web interface / TrueNAS dashboard SNMP ...

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references to read:

Hard Drive Burn-in Testing

@jgreco did a nice system build/test/burn-in guide here, but I (and many others) found the details a bit lacking in the hard drive section. He mentions S.M.A.R.T. tests, but doesn't go over how to run them, or how to view the results, etc. and...

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zpool & glabel status

DEGRADED zpool with one FAULTED device

Greetings, My server configuration Type: SuperMicro SYS-6029U-E1CR25M Processor: Intel(R) Xeon(R) Gold 6226R CPU @ 2.90GHz Memory: 12 x 32GB Samsung M393A4K40DB2-CVF Storage: 2 x 256GB NVMe SSD, INTEL SSDPEKKA256GB 12 x 16TB HDD, Seagate ST16000NM001G-2KK103 TrueNAS-12.0-U3.1 - Boot: 1 x 2-way...

www.truenas.com