Description of problem: Currently, any VM with virtio has the following message during boot: smartd[760]: DEVICESCAN failed: glob(3) aborted matching pattern /dev/discs/disc* smartd[760]: In the system's table of devices NO devices found to scan This sounds scary ("aborted", etc), and is logged at LOG_ERROR level. It is completely OK to have a machine with no devices suitable for smartd. It might even be prudent to check if smartd is running in a VM and then act accordingly. Version-Release number of selected component (if applicable): smartmontools-6.5-1.fc25.x86_64 (but this hasn't changed in earlier or later versions afaict) How reproducible: 100%. Expected results: No non-actionable logs at level >= warning.
This won't be changed. Fedora package uses configuration file where it is specified to use autodetection. Reporting error when autodetection can't find any usable drive is correct behavior. Changing smartmontools to detect VM and ignore autodetection specified in configuration would be ugly. a) Your choice is not to install smartmontools if you are doing manual installation yourself, disable it after installation or change configuration file to your liking. b) update kickstart not to install smartmontools during system installation if you are automating your vm installation c) If there is some special product or spin, ask maintainer of that spin/product not to install smartmontools or disable smartmontools in systemd's default presets
I'm not saying that it's a bug in smartd, but it's something that still needs to be resolved. The message is annoying and confusing, and from the point of view of a user, it doesn't really matter if smartd is technically correct, but that the message doesn't appear when it isn't useful. smartmontools is installed by default, it's part of @Standard group in comps, and it ends up in various images by default. Running standard Fedora images in VMs is pretty common, the package should be prepared for that. If the default DEVICESCAN line is wrong, maybe it should be changed to something different. Maybe smartd itself should do something different if it's running in a VM. Maybe ConditionVirtualization=no should be added to the unit file. I don't know about your package to know what the best solution would be. Also, note the error line "/dev/discs/disc*" — that's from devfs, which hasn't been a thing for a while.
(In reply to Michal Hlavinka from comment #1) > This won't be changed. This is a configuration issue. If you don't want smartmontools running, turn it off or use a different configuration
(In reply to Michal Hlavinka from comment #3) > (In reply to Michal Hlavinka from comment #1) > > This won't be changed. > > This is a configuration issue. If you don't want smartmontools running, turn > it off or use a different configuration Right. Exactly. The configuration is wrong, and I'm asking you to change the configuration. It's not my configuration. It's the DEFAULT Fedora configuration. Once again: 1. smartmontools is in @Standard in comps 2. smartd.service is enabled by default in systemd presets Since the daemon is installed and started by default, it should DTRT automatically. Logging a cryptic error is not that. There's a rule for enabling services by default [https://fedoraproject.org/wiki/Packaging:DefaultServices#Locally_running_services]: > If a service does not require manual configuration to be functional... it may be enabled by default. If smartd is not smart enough to be enabled by default, it should be dropped from comps or presets.
Once again. This is not a bug and it won't be changed. Configuration is for main use case, which is running Fedora on real hw. If you have different use case, you can use different spin/product that can have different defaults. If there is no such spin/product and you are forced to use different one, you will have to change configuration (including what packages to install) yourself.
> Configuration is for main use case, which is running Fedora on real hw. That used to be true, but people times have changed, and people run Fedora in VMs. > If you have different use case, you can use different spin/product that can have different defaults. Once again: smartmontools in in @standard, which is pulled in by most products and spins, including Server. I think it's pretty obvious that Server images are expected to work out of the box under virtualization. In particular, most QA tests are done this way, and people use Server on rented VMs, etc.
I would wager that a very significant fraction of Fedora installs are in VMs these days. Our default configuration should work just as well in a VM as it does on real hardware. I was going to expound on how smartd is ill-suited to the modern environment where everything is hotpluggable, but then I found https://www.smartmontools.org/ticket/60 and so I guess that would be pointless. For that case I think the udev rules should be triggering a reload of smartd on device hotplug. And in lieu of smartd being intelligent enough to enumerate devices the proper way (via udev)m it could at least grow a modern configuration file which can include things from a directory, so udev rules could trigger the generation of appropriate config snippets. But in the end, smartd is just really terrible when it comes to this kind of thing and even the obvious workarounds are hampered by its '90s design. But even considering that, continuing the situation where it just spews failure notices to the logs in the default case is really poor policy.
It does the same thing if there are only NVM disks... So it's not only when running in virtual stuff. Mar 12 09:55:41 localhost.localdomain smartd[1072]: smartd 6.5 2016-05-07 r4318 [x86_64-linux-4.9.13-201.fc25.x86_64] (local build) Mar 12 09:55:41 localhost.localdomain smartd[1072]: Copyright (C) 2002-16, Bruce Allen, Christian Franke, www.smartmontools.org Mar 12 09:55:41 localhost.localdomain smartd[1072]: Opened configuration file /etc/smartmontools/smartd.conf Mar 12 09:55:41 localhost.localdomain smartd[1072]: Configuration file /etc/smartmontools/smartd.conf was parsed, found DEVICESCAN, scanning devices Mar 12 09:55:41 localhost.localdomain smartd[1072]: DEVICESCAN failed: glob(3) aborted matching pattern /dev/discs/disc* Mar 12 09:55:41 localhost.localdomain smartd[1072]: In the system's table of devices NO devices found to scan Mar 12 09:55:41 localhost.localdomain smartd[1072]: Monitoring 0 ATA/SATA, 0 SCSI/SAS and 0 NVMe devices With ls -l /dev/disk/by-id [...]lrwxrwxrwx. 1 root root 13 Mar 12 10:37 nvme-eui.002538bb61b52bba -> ../../nvme0n1 lrwxrwxrwx. 1 root root 15 Mar 12 10:37 nvme-eui.002538bb61b52bba-part1 -> ../../nvme0n1p1 lrwxrwxrwx. 1 root root 15 Mar 12 10:37 nvme-eui.002538bb61b52bba-part2 -> ../../nvme0n1p2 lrwxrwxrwx. 1 root root 15 Mar 12 10:37 nvme-eui.002538bb61b52bba-part3 -> ../../nvme0n1p3 ls -l /dev/nmv* crw-------. 1 root root 246, 0 Mar 12 09:55 /dev/nvme0 brw-rw----. 1 root disk 259, 0 Mar 12 10:37 /dev/nvme0n1 brw-rw----. 1 root disk 259, 1 Mar 12 10:37 /dev/nvme0n1p1 brw-rw----. 1 root disk 259, 2 Mar 12 10:37 /dev/nvme0n1p2 brw-rw----. 1 root disk 259, 3 Mar 12 10:37 /dev/nvme0n1p3
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