Bug 111161
| Summary: | bogus 'some devices missing' prevents boot | ||
|---|---|---|---|
| Product: | File System | Reporter: | Konstantin Svist (fry.kun) |
| Component: | btrfs | Assignee: | Josef Bacik (josef) |
| Status: | NEW --- | ||
| Severity: | high | CC: | szg00000 |
| Priority: | P1 | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Kernel Version: | 4.2.3-300.fc23.x86_64 | Subsystem: | |
| Regression: | No | Bisected commit-id: | |
| Attachments: |
copy of bad array -> rm all files/subvolumes -> btrfs-image -c9
output of debug-tree -d output of debug-tree -e |
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Created attachment 201121 [details]
copy of bad array -> rm all files/subvolumes -> btrfs-image -c9
I've made a dd copy of the problematic array, changed the UUID in the copy and whittled it down to 0 files (removed all subvolumes)
As per advice in #btrfs, here's an image of said 0-file array, made by "btrfs-image -c9"
Please let me know ASAP if this is sufficient to see the error or if I need to send in more info.
I'd like to restore my main array ASAP
Note: just in case, the new UUID is 367419ac-01df-4432-a5fb-1483c49abc46 Created attachment 201191 [details]
output of debug-tree -d
Created attachment 201201 [details]
output of debug-tree -e
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- mounts OK without degraded - btrfs check does not report missing devices - btrfs scrub completed without problems, no change - btrfs fi show does not report missing devices - btrfs fi show -d does report missing devices - btrfs dev del missing reports there are no missing devices - btrfs dev ready exit value 1, so boot always fails (systemd waits without timeout until exit value is 0) Boot kernel version: 4.3.3-300.fc23.x86_64 Mounting okay from Fedora 23 x64 LXDE Live (kernel 4.2.3-300.fc23.x86_64) btrfs-progs v4.3.1 Problem appeared after replacing a bad drive (btrfs dev add, then btrfs dev del) All drives are okay right now & btrfs is balanced. # btrfs fi df /mnt/ Data, RAID10: total=1.29TiB, used=1.29TiB System, RAID10: total=64.00MiB, used=160.00KiB Metadata, RAID10: total=4.00GiB, used=3.12GiB GlobalReserve, single: total=512.00MiB, used=0.00B # btrfs fi show /mnt/ Label: none uuid: 48f0e952-a176-481e-a184-6ee51acf54b1 Total devices 4 FS bytes used 1.29TiB devid 1 size 931.51GiB used 664.03GiB path /dev/sda2 devid 3 size 931.51GiB used 664.03GiB path /dev/sdc2 devid 4 size 931.51GiB used 664.03GiB path /dev/sdd2 devid 6 size 931.51GiB used 664.03GiB path /dev/sdb2 # btrfs fi show -d Label: none uuid: 48f0e952-a176-481e-a184-6ee51acf54b1 Total devices 5 FS bytes used 1.29TiB devid 1 size 931.51GiB used 664.03GiB path /dev/sda2 devid 3 size 931.51GiB used 664.03GiB path /dev/sdc2 devid 4 size 931.51GiB used 664.03GiB path /dev/sdd2 devid 6 size 931.51GiB used 664.03GiB path /dev/sdb2 *** Some devices missing dmesg: http://cache.gmane.org//gmane/comp/file-systems/btrfs/52437-002.bin http://thread.gmane.org/gmane.comp.file-systems.btrfs/52437