Btrfs Problem
Hallo Zusammen,
ich habe das Problem, dass mein btrfs auf einem Raid1 unter Ubuntu 20.04 nicht mehr zu mounten ist. Der mount Befehl meldet in einem Live System " can't read superblock on /dev/md2"
Lasse ich den SUprtblock wiederherstellen, kommt die Meldung dass diese OK sind.
dmesg gibt mir folgendes aus:
[Mon Aug 19 09:29:48 2024] BTRFS: device fsid 85d58546-9bea-4f02-8107-ce43bb3a3e3c devid 1 transid 3489470 /dev/md2 (9:2) scanned by mount (4241)
[Mon Aug 19 09:29:48 2024] BTRFS info (device md2): first mount of filesystem 85d58546-9bea-4f02-8107-ce43bb3a3e3c
[Mon Aug 19 09:29:48 2024] BTRFS info (device md2): using crc32c (crc32c-intel) checksum algorithm
[Mon Aug 19 09:29:48 2024] BTRFS info (device md2): disk space caching is enabled
[Mon Aug 19 09:29:49 2024] page: refcount:4 mapcount:0 mapping:0000000056f2f814 index:0x22400 pfn:0x1170fd
[Mon Aug 19 09:29:49 2024] memcg:ffff888108535000
[Mon Aug 19 09:29:49 2024] aops:btrfs_cleanup_fs_uuids [btrfs] ino:1
[Mon Aug 19 09:29:49 2024] flags: 0x2ffff8000008000(private|node=0|zone=2|lastcpupid=0x1ffff)
[Mon Aug 19 09:29:49 2024] page_type: 0xffffffff()
[Mon Aug 19 09:29:49 2024] raw: 02ffff8000008000 0000000000000000 dead000000000122 ffff8881041b0760
[Mon Aug 19 09:29:49 2024] raw: 0000000000022400 ffff8881011113b0 00000004ffffffff ffff888108535000
[Mon Aug 19 09:29:49 2024] page dumped because: eb page dump
[Mon Aug 19 09:29:49 2024] BTRFS critical (device md2): corrupt leaf: root=2 block=574619648 slot=11, unexpected item end, have 8928596 expect 15700
[Mon Aug 19 09:29:49 2024] BTRFS error (device md2): read time tree block corruption detected on logical 574619648 mirror 1
[Mon Aug 19 09:29:49 2024] page: refcount:4 mapcount:0 mapping:0000000056f2f814 index:0x22400 pfn:0x1170fd
[Mon Aug 19 09:29:49 2024] memcg:ffff888108535000
[Mon Aug 19 09:29:49 2024] aops:btrfs_cleanup_fs_uuids [btrfs] ino:1
[Mon Aug 19 09:29:49 2024] flags: 0x2ffff8000008000(private|node=0|zone=2|lastcpupid=0x1ffff)
[Mon Aug 19 09:29:49 2024] page_type: 0xffffffff()
[Mon Aug 19 09:29:49 2024] raw: 02ffff8000008000 0000000000000000 dead000000000122 ffff8881041b0760
[Mon Aug 19 09:29:49 2024] raw: 0000000000022400 ffff8881011113b0 00000004ffffffff ffff888108535000
[Mon Aug 19 09:29:49 2024] page dumped because: eb page dump
[Mon Aug 19 09:29:49 2024] BTRFS critical (device md2): corrupt leaf: root=2 block=574619648 slot=11, unexpected item end, have 8928596 expect 15700
[Mon Aug 19 09:29:49 2024] BTRFS error (device md2): read time tree block corruption detected on logical 574619648 mirror 2
[Mon Aug 19 09:29:49 2024] BTRFS error (device md2): failed to read block groups: -5
[Mon Aug 19 09:29:50 2024] BTRFS error (device md2): open_ctree failed
btrfs check bricht ebenso ab. Was kann ich jetzt tun?
Danke,
Roadmax
ich habe das Problem, dass mein btrfs auf einem Raid1 unter Ubuntu 20.04 nicht mehr zu mounten ist. Der mount Befehl meldet in einem Live System " can't read superblock on /dev/md2"
Lasse ich den SUprtblock wiederherstellen, kommt die Meldung dass diese OK sind.
dmesg gibt mir folgendes aus:
[Mon Aug 19 09:29:48 2024] BTRFS: device fsid 85d58546-9bea-4f02-8107-ce43bb3a3e3c devid 1 transid 3489470 /dev/md2 (9:2) scanned by mount (4241)
[Mon Aug 19 09:29:48 2024] BTRFS info (device md2): first mount of filesystem 85d58546-9bea-4f02-8107-ce43bb3a3e3c
[Mon Aug 19 09:29:48 2024] BTRFS info (device md2): using crc32c (crc32c-intel) checksum algorithm
[Mon Aug 19 09:29:48 2024] BTRFS info (device md2): disk space caching is enabled
[Mon Aug 19 09:29:49 2024] page: refcount:4 mapcount:0 mapping:0000000056f2f814 index:0x22400 pfn:0x1170fd
[Mon Aug 19 09:29:49 2024] memcg:ffff888108535000
[Mon Aug 19 09:29:49 2024] aops:btrfs_cleanup_fs_uuids [btrfs] ino:1
[Mon Aug 19 09:29:49 2024] flags: 0x2ffff8000008000(private|node=0|zone=2|lastcpupid=0x1ffff)
[Mon Aug 19 09:29:49 2024] page_type: 0xffffffff()
[Mon Aug 19 09:29:49 2024] raw: 02ffff8000008000 0000000000000000 dead000000000122 ffff8881041b0760
[Mon Aug 19 09:29:49 2024] raw: 0000000000022400 ffff8881011113b0 00000004ffffffff ffff888108535000
[Mon Aug 19 09:29:49 2024] page dumped because: eb page dump
[Mon Aug 19 09:29:49 2024] BTRFS critical (device md2): corrupt leaf: root=2 block=574619648 slot=11, unexpected item end, have 8928596 expect 15700
[Mon Aug 19 09:29:49 2024] BTRFS error (device md2): read time tree block corruption detected on logical 574619648 mirror 1
[Mon Aug 19 09:29:49 2024] page: refcount:4 mapcount:0 mapping:0000000056f2f814 index:0x22400 pfn:0x1170fd
[Mon Aug 19 09:29:49 2024] memcg:ffff888108535000
[Mon Aug 19 09:29:49 2024] aops:btrfs_cleanup_fs_uuids [btrfs] ino:1
[Mon Aug 19 09:29:49 2024] flags: 0x2ffff8000008000(private|node=0|zone=2|lastcpupid=0x1ffff)
[Mon Aug 19 09:29:49 2024] page_type: 0xffffffff()
[Mon Aug 19 09:29:49 2024] raw: 02ffff8000008000 0000000000000000 dead000000000122 ffff8881041b0760
[Mon Aug 19 09:29:49 2024] raw: 0000000000022400 ffff8881011113b0 00000004ffffffff ffff888108535000
[Mon Aug 19 09:29:49 2024] page dumped because: eb page dump
[Mon Aug 19 09:29:49 2024] BTRFS critical (device md2): corrupt leaf: root=2 block=574619648 slot=11, unexpected item end, have 8928596 expect 15700
[Mon Aug 19 09:29:49 2024] BTRFS error (device md2): read time tree block corruption detected on logical 574619648 mirror 2
[Mon Aug 19 09:29:49 2024] BTRFS error (device md2): failed to read block groups: -5
[Mon Aug 19 09:29:50 2024] BTRFS error (device md2): open_ctree failed
btrfs check bricht ebenso ab. Was kann ich jetzt tun?
Danke,
Roadmax
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Content-Key: 13956706852
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Printed on: August 20, 2024 at 07:08 o'clock
4 Comments
Latest comment
Hi
nun der Superblock ist ja auch nicht das Problem....
Da steht doch dein Problem....
Nicht Vergessen Backup vor dem Fixen für den Fall der Fälle ;)
nun der Superblock ist ja auch nicht das Problem....
[Mon Aug 19 09:29:49 2024] BTRFS critical (device md2): corrupt leaf: root=2 block=574619648 slot=11, unexpected item end, have 8928596 expect 15700
[Mon Aug 19 09:29:49 2024] BTRFS error (device md2): read time tree block corruption detected on logical 574619648 mirror 2
[Mon Aug 19 09:29:49 2024] BTRFS error (device md2): failed to read block groups: -5
[Mon Aug 19 09:29:50 2024] BTRFS error (device md2): open_ctree failed
Da steht doch dein Problem....
Nicht Vergessen Backup vor dem Fixen für den Fall der Fälle ;)