January 26, 20251 yr Overnight, I got this error on /dev/sda which is my boot USB. Jan 26 04:30:21 Tower kernel: critical medium error, dev sda, sector 776384 op 0x0:(READ) flags 0x84700 phys_seg 16 prio class 2 Is my boot drive beginning to fail? I've been using it for quite a few years now without issue. Diags attached tower-diagnostics-20250126-1220.zip
January 26, 20251 yr Community Expert You can try backup and reformatting first, but if the errors persist you should replace it.
January 27, 20251 yr Author Thanks. I've purchased a new USB and will attempt the changeover tonight.
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