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DS918+: One of two NVMe's Missing After Reboot

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1
0
NAS
DS918+
Operating system
  1. Linux
  2. macOS
  3. Windows
I bought two WDS100T3X0C-00SJG0 (Western Digital WD BLACK SN750 NVMe M.2 2280 1TB) and placed them into the NVMe slots and setup write cache in RAID1.

I don't know when this started happening, but one day of my two NVMe's went missing after a reboot. I setup read cache on the single drive and waited to deal with it later.

When I had the time, I powered off the system, re-seated both NVMe's and the drive started showing up. I had to update DSM to a minor version which required a restart, and the drive went missing again. I'm not really seeing anything in the logs, but also don't know how to get the dmesg or boot logs to see if there is something happening at the kernel level.

lsblk doesn't list the device at all.
 

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