On 10/19/18 12:34 PM, Max Pyziur wrote:
On Fri, 19 Oct 2018, Rick Stevens wrote:
> On 10/19/18 10:48 AM, Max Pyziur wrote:
>> On Fri, 19 Oct 2018, Rick Stevens wrote:
[deleted for the sake of brevity ]
>>>
>>> You said an external DVD/CD drive. Are you certain it has burn capacity
>>> (is it a DVD-RW/CD-RW drive)? If you can post the model number, we may
>>> be able to help. My guess is that it's a read-only device.
>>
>> Toshiba PA3761U-1DV2 Portable/Slim USB SuperMulti DVD-Writer
>>
https://www.amazon.com/dp/B0027JPO6C/?tag=googhydr-20&hvadid=17716044...
>>
>>
>>
>> Works in the OS from Redmond.
>
> Hmmm. Ok, let's try this:
>
> 1. Plug the drive in
> 2. Insert a blank DVD
>
> At that point, depending on which desktop you have and how it's
> configured, you might get a popup that says "You have inserted a blank
> DVD. What would you like to do?" I do, but I'm running XFCE and have
> the desktop configured to "Burn a CD or DVD when a blank disc is
> inserted".
>
> If you don't have that configured, then:
>
> 3. Bring up Brasero from your applications menu
> 4. Click the "Burn image" button (generally the bottom button on
> the left side)
>
> You should get a dialog box. Under "Select a disk image to write", you
> should be able to select the ISO image you want to burn. Below that,
> under "Select a disc to write to", you should see something similar to
> "Blank DVD-R Disc: 4.7 GB of free space". If you see that, then Brasero
> knows you have a blank DVD in a RW drive and you should be able to write
> to it.
>
> If you don't see that "Blank DVD-R..." message, try rebooting with
the
> drive plugged in. The system may not recognize it as a RW drive when
> hotplugged. Mine does.
My preferred desktop is XFCE. But I tried several steps, including
logging in in Gnome, altering the cabling, etc.
So, with a disc with data on it (say, CentOS Minimal Install), running
dmesg | tail
shows that the disk is available and can be mounted using
udisksctl mount --block-device /dev/sr0
As for burning a disc, the cabling seemed to be the problem (it's a
confusing USB cable) but plugged in appropriately Brasero both sees the
ISO to be burned as well as the blank disc in the drive.
Does the cable have two USB-A connectors at one end and one weird
siamese-esque (is that a word?) USB connector that plugs into the drive
at the other? If so, the USB-A connector with the thicker cable is the
data and power for reading. The thinner cable is used to carry extra
juice for the laser to burn the media. There are systems out there where
the USB 1.0/1.1 ports can't provide enough power, so the drive splits
the load via that cable. Sorta clever in some ways, but can be
confusing.
If that thin cable isn't plugged in the drive may report read-only
capability (thinking there's not enough power to burn media without
the extra cable). For it to be fully functional, both USB-A connectors
have to be used. It's bitten me before.
That dilemma has been resolved; thank you to all.
Glad to help.
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- Rick Stevens, Systems Engineer, AllDigital ricks(a)alldigital.com -
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- We are born naked, wet and hungry. Then things get worse. -
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