On Sunday, 30 March 2025 14:19:47 British Summer Time Michael wrote: > On Sunday, 30 March 2025 13:45:09 British Summer Time Peter Humphrey wrote:
--->8 > > sd 2:0:0:0: [sda] Read Capacity(10) failed: Result: hostbyte=DID_OK > > driverbyte=DRIVER_OK sd 2:0:0:0: [sda] Sense Key : Illegal Request > > [current] > > This "Sense Key" is the response from the block device. It means some > command data sent to it was deemed to be illegal and the device bailed out > from executing the command. More details to make sense of this message may > be in the SCSI specification. Interesting. > > sd 2:0:0:0: [sda] Add. Sense: Invalid field in cdb > > sd 2:0:0:0: [sda] 0 512-byte logical blocks: (0 B/0 B) > > sd 2:0:0:0: [sda] 0-byte physical blocks > > sd 2:0:0:0: [sda] Write Protect is off > > sd 2:0:0:0: [sda] Mode Sense: 37 00 00 08 > > sd 2:0:0:0: [sda] Write cache: disabled, read cache: enabled, doesn't > > support DPO or FUA sd 2:0:0:0: [sda] Attached SCSI disk > > Does lsblk -a show the partition(s) on the device? It shows a disk of size 0. (I keep forgetting to try lsblk, which I haven't had to use until this exercise began.) > Does your Ugreen enclosure come with an external power supply Nope. > You've already tried it on different PCs, so this problem is not isolated to > a single PC. > > Have you removed the SSD and connected it directly to the MoBo without any > USB intermediary? This will separate a USB Vs SSD hardware problem. I've a nasty feeling I damaged the SSD by applying too much force while installing it. Cracked track, or something. If so, I don't feel I should return it as faulty. [Slumps shoulders...] Can I justify starting again and spending yet more hundreds? That's the question. Especially as the spinning disk it was to replace hasn't failed yet. -- Regards, Peter.