On Saturday, 2 September 2017 13:28:44 BST Jacques Montier wrote: > I once encountered the problem with my Crucial SSD. > I found a procedure to make the SSD detected which worked for me. > http://forums.crucial.com/t5/Crucial-SSDs/Why-did-my-SSD-quot-disappear-qu > ot-from-my-system/ta-p/65215 Hope this will help.
Mine's by Samsung: # lspci -v -s 05:00.0 05:00.0 Non-Volatile memory controller: Samsung Electronics Co Ltd NVMe SSD Controller SM951/PM951 (rev 01) (prog-if 02 [NVM Express]) Subsystem: Samsung Electronics Co Ltd NVMe SSD Controller SM951/ PM951 Flags: bus master, fast devsel, latency 0, IRQ 35, NUMA node 0 Memory at fbd00000 (64-bit, non-prefetchable) [size=16K] I/O ports at d000 [size=256] Capabilities: [40] Power Management version 3 Capabilities: [50] MSI: Enable- Count=1/8 Maskable- 64bit+ Capabilities: [70] Express Endpoint, MSI 00 Capabilities: [b0] MSI-X: Enable+ Count=9 Masked- Capabilities: [100] Advanced Error Reporting Capabilities: [148] Device Serial Number 00-00-00-00-00-00-00-00 Capabilities: [158] Power Budgeting <?> Capabilities: [168] #19 Capabilities: [188] Latency Tolerance Reporting Capabilities: [190] L1 PM Substates Kernel driver in use: nvme It's clearly visible to the kernel, and smartd finds it too if I tell it what to look for. I don't want to start unplugging it unless I have to, as it's in a PCI slot and I'd probably make things worse. And it is only 18 months old, as I said. A week or two ago I was investigating some other weirdnesses and at one point I zeroed out the first partition: the unformatted one containing the UEFI data. It took longer than I expected, having only 2MB to fill. I wonder if it strayed outside the partition... -- Regards, Peter.