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[Discuss] Fedora 28 Doesn't See External DVD Drive on USB Port
- Subject: [Discuss] Fedora 28 Doesn't See External DVD Drive on USB Port
- From: nancythewriter7 at gmail.com (Nancy Allison)
- Date: Sun, 30 Dec 2018 18:44:47 -0500
- In-reply-to: <20181230044732.p35r5t3toi3zqqyx@angus.ind.wpi.edu>
- References: <CAPnB49Enbzd6hQHonQRNEOpFjjOP_BdBuDkzBzMC=AWC7C5d8Q@mail.gmail.com> <20181230001241.paq2dcc6ye7ymdfd@randomstring.org> <CAPnB49EJxGxR4HpTXWAO6srrFiDe5EThcP+c2hknBofKS7bqdg@mail.gmail.com> <20181230044732.p35r5t3toi3zqqyx@angus.ind.wpi.edu>
Hello, all. Charles, Fedora 28 was installed fresh; Ubuntu had been on the system previously. I ran the lsusb command first before connecting the DVD drive and again after. The list of devices did not change. Here is the output of the two commands: [theauthor at new-host-2 ~]$ lsusb Bus 001 Device 002: ID 8087:8001 Intel Corp. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 003 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 002 Device 003: ID 13d3:5652 IMC Networks Bus 002 Device 002: ID 8087:07dc Intel Corp. Bus 002 Device 006: ID 04f9:0062 Brother Industries, Ltd Bus 002 Device 064: ID 046d:c52b Logitech, Inc. Unifying Receiver Bus 002 Device 063: ID 1a40:0101 Terminus Technology Inc. Hub Bus 002 Device 005: ID 0409:0058 NEC Corp. HighSpeed Hub Bus 002 Device 004: ID 0424:2507 Standard Microsystems Corp. hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub [theauthor at new-host-2 ~]$ dmesg | grep sd [ 1.585719] ahci 0000:00:1f.2: flags: 64bit ncq pm led clo only pio slum part deso sadm sds apst [ 1.923206] sd 0:0:0:0: Attached scsi generic sg0 type 0 [ 1.923302] sd 0:0:0:0: [sda] 1465149168 512-byte logical blocks: (750 GB/699 GiB) [ 1.923341] sd 0:0:0:0: [sda] Write Protect is off [ 1.923346] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00 [ 1.923462] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 2.035151] sda: sda1 sda2 sda3 [ 2.035429] sd 0:0:0:0: [sda] Attached SCSI disk [ 27.766377] EXT4-fs (sda2): mounted filesystem with ordered data mode. Opts: (null) [19434.731622] sd 0:0:0:0: [sda] Synchronizing SCSI cache [19434.903269] sd 0:0:0:0: [sda] Stopping disk [19435.577907] sd 0:0:0:0: [sda] Starting disk On Sat, Dec 29, 2018 at 11:48 PM Anderson, Charles R <cra at wpi.edu> wrote: > No it certainly is not the case that everyone using Fedora 28 has > problems with external drives. Was your system upgraded to Fedora 28 > from an earlier Fedora version, or was it installed fresh? I ask > because I've never had these issues, but I always install fresh rather > than do upgrades. > > /etc/fstab is a file that contains the listing of each filesystem on > each device. If you open a command line Terminal and type: > > cat /etc/fstab > > you can see what yours has in it. However, I don't think this is > related your problem--but we can return to this possibility later > after checking a few things. > > The URL you posted refers to external hard disks or flash drives, not > CD/DVD drives. Modern Fedora systems do not have removable media > devices listed in /etc/fstab. Instead, they are mounted by udev > automatically when the device is connected (and media is inserted). > This is the udev configuration file that controls this process for > CD/DVD drives: > > cat /usr/lib/udev/rules.d/60-cdrom_id.rules > > But this is informational if you wanted to know how this stuff is > supposed to work under the hood--you shouldn't need to edit anything > there. > > After you plug in the USB, does the USB device show up in "lsusb"? > Open a terminal and run these two commands: > > lsusb > > dmesg | grep sd > > and paste the output in an email reply. > > On Sat, Dec 29, 2018 at 10:12:22PM -0500, Nancy Allison wrote: > > Thank you, Dan. > > > > You've provided some details that I can follow, but I am not well enough > > grounded to know how I would use them. (For example, I have no idea where > > fstab lives or how I get to it.) If I can find someone to help me out > > painstakingly, with a generous donation of their time and effort, I > (they, > > really) can undoubtedly fix the problem. I may wait until the next > > InstallFest for help. > > > > But this leaves me wondering, can it really be that everyone using Fedora > > 28 struggles along with this same problem that obviously affects plenty > of > > people? CDs and DVDs are not used as much as they once were, but they are > > still in use. If you google "fedora 28 doesn't recognize external dvd > > drive" you get people struggling with this back in 2010 and 2011. Is this > > what Fedora is like -- everyone struggles with problems individually? And > > you really have to have a lot of technical knowledge to deal with these > > problems as they come up. Maybe Fedora is just too tecchie for me, but it > > seems as if Ubuntu was, too, when I used it before Fedora. Maybe Red Hat > is > > easier for a non-technical person to handle? > > > > Just thinking out loud. Thanks for the additional info. > > > > On Sat, Dec 29, 2018 at 7:12 PM Dan Ritter <dsr at randomstring.org> wrote: > > > > > Nancy Allison wrote: > > > > Hi, all. > > > > > > > > When I plug in my external disk drive into my Fedora 28 machine, it > does > > > > not show up in Nautilus. > > > > > > > > I go looking online, and, sure enough, this problem has occurred for > > > plenty > > > > of people for 5+ years over many releases of Fedora. > > > > > > > > I find a discussion in which someone evidently solved the problem. > Here > > > is > > > > what the person reported: > > > > > > > > "NVM - found the cause. Old entry in fstab for a second swap not > present > > > on > > > > sdb1 and first USB disks being assigned sdb. Cleaned that up and now > all > > > > drives plugging correctly. > > > > Willtech ( Sep 23 '18 )" > > > > > > > > How do I apply this information? Where is fstab? When does a first > swap > > > > occur? When does a second swap occur? What does it mean to be > assigned > > > sdb? > > > > > > /etc/fstab consolidates mounting information. > > > > > > Each active line defines: > > > > > > <file system> <mount point> <type> <options> <dump> <pass> > > > > > > For example: > > > > > > /dev/scd0 /media/cdrom0 ISO9660 ro 1 1 > > > > > > device/partition name, then where you want it mounted, then the > > > type of filesystem. > > > > > > If you have a single disk called /dev/sda, for instance, you > > > might see your external CD show up as /dev/sdb. If there's > > > already a /dev/sdb listed in the file, that will conflict. > > > > > > Hope that helps. > _______________________________________________ > Discuss mailing list > Discuss at blu.org > http://lists.blu.org/mailman/listinfo/discuss >
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- [Discuss] Fedora 28 Doesn't See External DVD Drive on USB Port
- From: cra at wpi.edu (Anderson, Charles R)
- [Discuss] Fedora 28 Doesn't See External DVD Drive on USB Port
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- [Discuss] Fedora 28 Doesn't See External DVD Drive on USB Port
- From: nancythewriter7 at gmail.com (Nancy Allison)
- [Discuss] Fedora 28 Doesn't See External DVD Drive on USB Port
- From: dsr at randomstring.org (Dan Ritter)
- [Discuss] Fedora 28 Doesn't See External DVD Drive on USB Port
- From: nancythewriter7 at gmail.com (Nancy Allison)
- [Discuss] Fedora 28 Doesn't See External DVD Drive on USB Port
- From: cra at wpi.edu (Anderson, Charles R)
- [Discuss] Fedora 28 Doesn't See External DVD Drive on USB Port
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