how the disk are connected to your NAS? ( USB, SATA, etc..).
And please provide more info about your MOBO.
info provided until now indicate a defective disk, but not totally sure until a SMART test is passed.
PD: SMART test only works on SATA devices not on USB or simmilar, so please post more info
i have HPE ProLiant ML310e Gen8 v2 Server. the HDDs are docked on slot 1 & 2 of the four provided. The connection is SATA.
i did some tests from HP insight diagnostics prior to boot in windows server 2019t. The test stated for a faulty probably HDD. It says that i need to format and/or replace the disk. The error code was F2.