Description of problem: Last update, possibly related to systemd, multipath or udev destroyed my ability to mount my added disks in /etc/fstab I would get busy messages even though the disk was not mounted and nothing was using the mount path. It would appear the problem happens if I set disk checking on my secondary disks in /etc/fstab. UUID=f78f575a-a8e5-4c48-b4e0-f244932512df /mnt/ssd ext4 defaults 1 2 To correct the problem I turned that off in my /etc/fstab UUID=f78f575a-a8e5-4c48-b4e0-f244932512df /mnt/ssd ext4 defaults 0 0 This allows the system to boot again. Version-Release number of selected component (if applicable): How reproducible: set your secondary disks to any number but 0 0. Upon boot and file system check will happen and udev will crap out with a message the volume is busy. Afterwards, you cannot mount any disks because they all become busy. Steps to Reproduce: 1. Boot your machine. 2. 3. Actual results: Drops into single user mode for emergency administration password. Expected results: Should boot. Additional info: Also, I removed dmraid, as well as deleted the /etc/multipath/wwids file as it contained a bad or nonexistent entry. This started happening after a recent update, I think posted on the 30th of May for Fedora 16 updates.
That didn't work, setting the /etc/fstab status for check on boot for mounted volumes. The root cause of the problem is multipath. I blacklisted all of my storage devices because it caused massive problems otherwise. so I put the following at the top of /etc/multipath.conf: blacklist { devnode "*" } That fixed everything. No more busy mounts, no more mount refusals, and no more droping into emergency boot maint single user mode. Just to double check, I reinstalled dmraid, which works fine now as well. -gc
(In reply to comment #0) > I would get busy messages even though the disk was not mounted and nothing > was using the mount path. This reminds me of bug 808795. May be related, may be not. > This started happening after a recent update, I think posted on the 30th of > May for Fedora 16 updates. You can use "yum history" to find what exactly was updated. You can use "yum downgrade" to find exactly which of the updated packages makes the bug appear. (In reply to comment #1) > so I put the following at the top of /etc/multipath.conf: > > blacklist { > devnode "*" > } > > That fixed everything. No more busy mounts, no more mount refusals, and no > more droping into emergency boot maint single user mode. I know very little about multipath. Let's reassign this tentatively to device-mapper-multipath.
What device-mapper-multipath package are you using? # rpm -q device-mapper-multipath It should be device-mapper-multipath-0.4.9-19.fc16 That was released in September. No recent updates have gone out for device-mapper-multipath Do you need multipath? For instance, do you have multiple paths to your devices? If not, you want all of your devices blacklisted anyway. You should just be able to delete the configuration file entirely, and then systemd won't start up multipathd, and you'll be fine.
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