Bug 772021
| Summary: | udev rules don't allow mounting of multi-device btrfs filesystems | ||||||
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| Product: | [Fedora] Fedora | Reporter: | john.haxby <john.haxby> | ||||
| Component: | udev | Assignee: | udev-maint | ||||
| Status: | CLOSED WONTFIX | QA Contact: | Fedora Extras Quality Assurance <extras-qa> | ||||
| Severity: | unspecified | Docs Contact: | |||||
| Priority: | unspecified | ||||||
| Version: | 16 | CC: | harald, jonathan, udev-maint | ||||
| Target Milestone: | --- | ||||||
| Target Release: | --- | ||||||
| Hardware: | Unspecified | ||||||
| OS: | Unspecified | ||||||
| Whiteboard: | |||||||
| Fixed In Version: | Doc Type: | Bug Fix | |||||
| Doc Text: | Story Points: | --- | |||||
| Clone Of: | Environment: | ||||||
| Last Closed: | 2013-02-14 00:00:44 UTC | Type: | --- | ||||
| Regression: | --- | Mount Type: | --- | ||||
| Documentation: | --- | CRM: | |||||
| Verified Versions: | Category: | --- | |||||
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |||||
| Cloudforms Team: | --- | Target Upstream Version: | |||||
| Embargoed: | |||||||
| Attachments: |
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Created attachment 550964 [details] 90-btrfs.rules Description of problem: I have a btrfs file system that spans two external disks. If I connect both disks when logged into a graphical console (where udisks is running) I can correctly mount the filesystem (although both gnome and kde are a little confused about what to do with the second disk!) Normally, however, this system does not run with a graphical console and udisks is not running. In this case, "btrfs device scan" is not run when the disks are plugged in and I cannot mount the file system. Version-Release number of selected component (if applicable): udev-173-3.fc16.x86_64 How reproducible: Always Steps to Reproduce: 1. Take two external USB disks with partitions /dev/sdc1 and /dev/sdd1. Plug both disks in and then: 2. mkfs.btrfs -L flora /dev/sdc1 mkdir /mnt/flora mount LABEL=flora /mnt/flora mkfs.btrfs /dev/sdd1 btrfs device add /dev/sdd1 /mnt/flora You should now have a single file system spanning both disks. Shut the machine down, unplug the disks, and reboot. 3. Log into a text console (so udisks isn't running) and plug both disks in. Wait for everything to settle and then btrfs filesystem show Will show the file system that spans two disks. Now mount LABEL=flora /mnt/flora Actual results: The file system doesn't mount Expected results: The file system should mount Additional info: What is missing is a udev rule to scan the disks as they are inserted. Put the attached file in /lib/udev/rules.d/90-btrfs.rules, go through the shutdown, unplug, reboot, plug in, mount sequence again and the file system will mount.