Score:1

PC running Ubuntu 22.04 LTS Desktop not mounting a SATA DVD/RW drive connected via USB

br flag

I have a new mini PC running Ubuntu 22.04 LTS Desktop and wish to connect a SATA DVD/RW drive as an external device from my former PC where it was installed in one of the 5 1/2 in bays. I am using a SATA to USB powered adapter. My PC does not see the drive. What do I need to do so my PC recognizes and mounts the DVD/RW drive when connected using USB? I tried following the suggestion from ubuntu-wont-recognize-dvd-drive. Using the CLI command: sudo lshw -C disk the system lists the NVMe drive and the internal SSD drive only.

  sudo lshw -C disk Output:

  *-namespace:0             
       description: NVMe disk
       physical id: 0
       logical name: hwmon0
  *-namespace:1
       description: NVMe disk
       physical id: 2
       logical name: /dev/ng0n1
  *-namespace:2
       description: NVMe disk
       physical id: 1
       bus info: nvme@0:1
       logical name: /dev/nvme0n1
       size: 465GiB (500GB)
       capabilities: gpt-1.00 partitioned partitioned:gpt
       configuration: guid=c84532ac-6562-4404-af07-571de437b7e7 
                      logicalsectorsize=512 sectorsize=512 
                      wwid=eui.002538d821a33175
  *-disk
       description: ATA Disk
       product: Samsung SSD 860
       physical id: 0.0.0
       bus info: scsi@1:0.0.0
       logical name: /dev/sda
       version: 4B6Q
       serial: S598NJ0N356841B
       size: 465GiB (500GB)
       capabilities: gpt-1.00 partitioned partitioned:gpt
       configuration: ansiversion=5 
                      guid=4b74e481-1e7c-4246-84b4-e2f77a2095c7 
                      logicalsectorsize=512 sectorsize=512
Michael Moriarty avatar
br flag
Am I not supposed to see it listed as a device in Files under Other Locations and be able to read the contents of the CD?
Michael Moriarty avatar
br flag
I am just checking in terminal and in Files from the GNOME 42.5 menu
guiverc avatar
cn flag
Just FYI: I tried on a number of systems (*alas none jammy, but included Fedora & Debian as well as Ubuntu*) & if the drive is internal the `lshw` will show the results for optical drives, but I got no results if the drive was external. I only have a single external optical drive so can't rule out hardware issues (*drive was reacting to insertion of media etc.. but it'll do that when given power without connection to PC too so that means nothing*)
Michael Moriarty avatar
br flag
@guiverc Doesn't the OS need cdrom drivers installed in order to recognize and mount the drive?
guiverc avatar
cn flag
For the internal drives I inserted no modules (`insmod`) to have them read.. As for external drives the *firmware* of the box can also be involved, but I'd have to know my drive is actually functional (*I've not used mine in >2 years! so I can't assume it is*) but my *play* was with kernels as old as 5.10 & up to 6.1 which is older than *jammy* GA (5.15) or HWE (5.19) (*you said Desktop thus you'll be using 5.19 I bet*)
Michael Moriarty avatar
br flag
@guiverc I wonder if it is a power supply issue, I have a connector that supplies power with an AC adapter and has the data cable going to USB 2.0. That style cable works for my 3.5 HDDs connected to USB 2.0.
guiverc avatar
cn flag
The *firmware* of the box can influence how the linux kernel sees hardware, some boxes will use external devices as if they're internal (*making it easier to use external media*) but others do not (*this is favored on hardware today as it makes it harder to boot external media which I believe is seen as a benefit to security*). If it's power issue you're off-topic here as this is a Ubuntu Q&A site.
Score:0
br flag

The solution to the problem of not being able to use an external DVD/RW drive with Ubuntu 22.04 LTS as an external drive was to use a better quality USB 3.0 to SATA III 6 Gbps Optical Storage Adapter.

It was possible to connect the DVD/RW drive to a Raspberry Pi 4B 8GB running Ubuntu 22.04 LTS.

As was suggested in the comments, there was no need to load any drivers, it just worked.

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