Can anyone help me with the next steps? Any chance to recover the data? Mit freundlichen Grüßen/Kind regards Felix Koop > Felix Koop <fdp@xxxxxxxx> hat am 26. Mai 2015 um 22:15 geschrieben: > > > > Qu Wenruo <quwenruo@xxxxxxxxxxxxxx> hat am 26. Mai 2015 um 07:56 > > geschrieben: > > > > > Label: none uuid: 7d4b023a-a1ef-4991-b01d-31e7c4fdfbcf > > > Total devices 3 FS bytes used 213.96GiB > > > devid 2 size 150.00GiB used 108.53GiB path /dev/mapper/Data1vg-afs0 > > > devid 4 size 150.00GiB used 108.53GiB path /dev/mapper/Data3vg-afs0 > > > *** Some devices missing > > The device 3, I guest it's /dev/mapper/data2vg-afs0, does it still > > exists in /dev/mapper? > > No, the disk crashed, so that the device does no longer exist. > > > Need some extra info: > > btrfs-show-super -a -f /dev/mapper/Data1vg-afs0 > > root@server:~# btrfs-show-super -a -f /dev/mapper/Data1vg-afs0 > superblock: bytenr=65536, device=/dev/mapper/Data1vg-afs0 > --------------------------------------------------------- > csum 0xc33db89c [match] > bytenr 65536 > flags 0x1 > magic _BHRfS_M [match] > fsid 7d4b023a-a1ef-4991-b01d-31e7c4fdfbcf > label > generation 35278 > root 1111813750784 > sys_array_size 161 > chunk_root_generation 33824 > root_level 1 > chunk_root 1111721295872 > chunk_root_level 1 > log_root 0 > log_root_transid 0 > log_root_level 0 > total_bytes 483183820800 > bytes_used 229738524672 > sectorsize 4096 > nodesize 16384 > leafsize 16384 > stripesize 4096 > root_dir 6 > num_devices 3 > compat_flags 0x0 > compat_ro_flags 0x0 > incompat_flags 0xe1 > ( MIXED_BACKREF | > BIG_METADATA | > EXTENDED_IREF | > RAID56 ) > csum_type 0 > csum_size 4 > cache_generation 35278 > uuid_tree_generation 35278 > dev_item.uuid 5e5332c3-9e02-4b86-a84e-709f6ac4196b > dev_item.fsid 7d4b023a-a1ef-4991-b01d-31e7c4fdfbcf [match] > dev_item.type 0 > dev_item.total_bytes 161061273600 > dev_item.bytes_used 116534542336 > dev_item.io_align 4096 > dev_item.io_width 4096 > dev_item.sector_size 4096 > dev_item.devid 2 > dev_item.dev_group 0 > dev_item.seek_speed 0 > dev_item.bandwidth 0 > dev_item.generation 0 > sys_chunk_array[2048]: > item 0 key (FIRST_CHUNK_TREE CHUNK_ITEM 1111721246720) > chunk length 67108864 owner 2 type SYSTEM|RAID5 num_stripes 3 > stripe 0 devid 2 offset 1048576 > stripe 1 devid 4 offset 1048576 > stripe 2 devid 3 offset 1048576 > backup_roots[4]: > backup 0: > backup_tree_root: 1111813750784 gen: 35278 level: 1 > backup_chunk_root: 1111721295872 gen: 33824 level: 1 > backup_extent_root: 1111813963776 gen: 35278 level: 2 > backup_fs_root: 1111836409856 gen: 35277 level: 2 > backup_dev_root: 1111814504448 gen: 35278 level: 1 > backup_csum_root: 1111814963200 gen: 35278 level: 2 > backup_total_bytes: 483183820800 > backup_bytes_used: 229738524672 > backup_num_devices: 3 > > backup 1: > backup_tree_root: 1111811768320 gen: 35275 level: 1 > backup_chunk_root: 1111721295872 gen: 33824 level: 1 > backup_extent_root: 1111808262144 gen: 35275 level: 2 > backup_fs_root: 1111808081920 gen: 35275 level: 2 > backup_dev_root: 1112427905024 gen: 33824 level: 1 > backup_csum_root: 1111814733824 gen: 35275 level: 2 > backup_total_bytes: 483183820800 > backup_bytes_used: 229738541056 > backup_num_devices: 3 > > backup 2: > backup_tree_root: 1111816585216 gen: 35276 level: 1 > backup_chunk_root: 1111721295872 gen: 33824 level: 1 > backup_extent_root: 1111815340032 gen: 35276 level: 2 > backup_fs_root: 1111808983040 gen: 35277 level: 2 > backup_dev_root: 1112427905024 gen: 33824 level: 1 > backup_csum_root: 1111818010624 gen: 35276 level: 2 > backup_total_bytes: 483183820800 > backup_bytes_used: 229738541056 > backup_num_devices: 3 > > backup 3: > backup_tree_root: 1111842062336 gen: 35277 level: 1 > backup_chunk_root: 1111721295872 gen: 33824 level: 1 > backup_extent_root: 1111825956864 gen: 35277 level: 2 > backup_fs_root: 1111836409856 gen: 35277 level: 2 > backup_dev_root: 1111842095104 gen: 35277 level: 1 > backup_csum_root: 1111842160640 gen: 35277 level: 2 > backup_total_bytes: 483183820800 > backup_bytes_used: 229738524672 > backup_num_devices: 3 > > > superblock: bytenr=67108864, device=/dev/mapper/Data1vg-afs0 > --------------------------------------------------------- > csum 0x635c9052 [match] > bytenr 67108864 > flags 0x1 > magic _BHRfS_M [match] > fsid 7d4b023a-a1ef-4991-b01d-31e7c4fdfbcf > label > generation 35278 > root 1111813750784 > sys_array_size 161 > chunk_root_generation 33824 > root_level 1 > chunk_root 1111721295872 > chunk_root_level 1 > log_root 0 > log_root_transid 0 > log_root_level 0 > total_bytes 483183820800 > bytes_used 229738524672 > sectorsize 4096 > nodesize 16384 > leafsize 16384 > stripesize 4096 > root_dir 6 > num_devices 3 > compat_flags 0x0 > compat_ro_flags 0x0 > incompat_flags 0xe1 > ( MIXED_BACKREF | > BIG_METADATA | > EXTENDED_IREF | > RAID56 ) > csum_type 0 > csum_size 4 > cache_generation 35278 > uuid_tree_generation 35278 > dev_item.uuid 5e5332c3-9e02-4b86-a84e-709f6ac4196b > dev_item.fsid 7d4b023a-a1ef-4991-b01d-31e7c4fdfbcf [match] > dev_item.type 0 > dev_item.total_bytes 161061273600 > dev_item.bytes_used 116534542336 > dev_item.io_align 4096 > dev_item.io_width 4096 > dev_item.sector_size 4096 > dev_item.devid 2 > dev_item.dev_group 0 > dev_item.seek_speed 0 > dev_item.bandwidth 0 > dev_item.generation 0 > sys_chunk_array[2048]: > item 0 key (FIRST_CHUNK_TREE CHUNK_ITEM 1111721246720) > chunk length 67108864 owner 2 type SYSTEM|RAID5 num_stripes 3 > stripe 0 devid 2 offset 1048576 > stripe 1 devid 4 offset 1048576 > stripe 2 devid 3 offset 1048576 > backup_roots[4]: > backup 0: > backup_tree_root: 1111813750784 gen: 35278 level: 1 > backup_chunk_root: 1111721295872 gen: 33824 level: 1 > backup_extent_root: 1111813963776 gen: 35278 level: 2 > backup_fs_root: 1111836409856 gen: 35277 level: 2 > backup_dev_root: 1111814504448 gen: 35278 level: 1 > backup_csum_root: 1111814963200 gen: 35278 level: 2 > backup_total_bytes: 483183820800 > backup_bytes_used: 229738524672 > backup_num_devices: 3 > > backup 1: > backup_tree_root: 1111811768320 gen: 35275 level: 1 > backup_chunk_root: 1111721295872 gen: 33824 level: 1 > backup_extent_root: 1111808262144 gen: 35275 level: 2 > backup_fs_root: 1111808081920 gen: 35275 level: 2 > backup_dev_root: 1112427905024 gen: 33824 level: 1 > backup_csum_root: 1111814733824 gen: 35275 level: 2 > backup_total_bytes: 483183820800 > backup_bytes_used: 229738541056 > backup_num_devices: 3 > > backup 2: > backup_tree_root: 1111816585216 gen: 35276 level: 1 > backup_chunk_root: 1111721295872 gen: 33824 level: 1 > backup_extent_root: 1111815340032 gen: 35276 level: 2 > backup_fs_root: 1111808983040 gen: 35277 level: 2 > backup_dev_root: 1112427905024 gen: 33824 level: 1 > backup_csum_root: 1111818010624 gen: 35276 level: 2 > backup_total_bytes: 483183820800 > backup_bytes_used: 229738541056 > backup_num_devices: 3 > > backup 3: > backup_tree_root: 1111842062336 gen: 35277 level: 1 > backup_chunk_root: 1111721295872 gen: 33824 level: 1 > backup_extent_root: 1111825956864 gen: 35277 level: 2 > backup_fs_root: 1111836409856 gen: 35277 level: 2 > backup_dev_root: 1111842095104 gen: 35277 level: 1 > backup_csum_root: 1111842160640 gen: 35277 level: 2 > backup_total_bytes: 483183820800 > backup_bytes_used: 229738524672 > backup_num_devices: 3 > > > > > > > btrfs-show-super -a -f /dev/mapper/Data2vg-afs0 (If that is device3 > > and exists) > > As I said, the device does no longer exist, because the disk crashed. > > > btrfs-show-super -a -f /dev/mapper/Data3vg-afs0 > > root@server:~# btrfs-show-super -a -f /dev/mapper/Data3vg-afs0 > superblock: bytenr=65536, device=/dev/mapper/Data3vg-afs0 > --------------------------------------------------------- > csum 0xe3500af0 [match] > bytenr 65536 > flags 0x1 > magic _BHRfS_M [match] > fsid 7d4b023a-a1ef-4991-b01d-31e7c4fdfbcf > label > generation 35278 > root 1111813750784 > sys_array_size 161 > chunk_root_generation 33824 > root_level 1 > chunk_root 1111721295872 > chunk_root_level 1 > log_root 0 > log_root_transid 0 > log_root_level 0 > total_bytes 483183820800 > bytes_used 229738524672 > sectorsize 4096 > nodesize 16384 > leafsize 16384 > stripesize 4096 > root_dir 6 > num_devices 3 > compat_flags 0x0 > compat_ro_flags 0x0 > incompat_flags 0xe1 > ( MIXED_BACKREF | > BIG_METADATA | > EXTENDED_IREF | > RAID56 ) > csum_type 0 > csum_size 4 > cache_generation 35278 > uuid_tree_generation 35278 > dev_item.uuid ce22bfec-b82d-42cf-8703-8f1eaa17a1ec > dev_item.fsid 7d4b023a-a1ef-4991-b01d-31e7c4fdfbcf [match] > dev_item.type 0 > dev_item.total_bytes 161061273600 > dev_item.bytes_used 116534542336 > dev_item.io_align 4096 > dev_item.io_width 4096 > dev_item.sector_size 4096 > dev_item.devid 4 > dev_item.dev_group 0 > dev_item.seek_speed 0 > dev_item.bandwidth 0 > dev_item.generation 0 > sys_chunk_array[2048]: > item 0 key (FIRST_CHUNK_TREE CHUNK_ITEM 1111721246720) > chunk length 67108864 owner 2 type SYSTEM|RAID5 num_stripes 3 > stripe 0 devid 2 offset 1048576 > stripe 1 devid 4 offset 1048576 > stripe 2 devid 3 offset 1048576 > backup_roots[4]: > backup 0: > backup_tree_root: 1111813750784 gen: 35278 level: 1 > backup_chunk_root: 1111721295872 gen: 33824 level: 1 > backup_extent_root: 1111813963776 gen: 35278 level: 2 > backup_fs_root: 1111836409856 gen: 35277 level: 2 > backup_dev_root: 1111814504448 gen: 35278 level: 1 > backup_csum_root: 1111814963200 gen: 35278 level: 2 > backup_total_bytes: 483183820800 > backup_bytes_used: 229738524672 > backup_num_devices: 3 > > backup 1: > backup_tree_root: 1111811768320 gen: 35275 level: 1 > backup_chunk_root: 1111721295872 gen: 33824 level: 1 > backup_extent_root: 1111808262144 gen: 35275 level: 2 > backup_fs_root: 1111808081920 gen: 35275 level: 2 > backup_dev_root: 1112427905024 gen: 33824 level: 1 > backup_csum_root: 1111814733824 gen: 35275 level: 2 > backup_total_bytes: 483183820800 > backup_bytes_used: 229738541056 > backup_num_devices: 3 > > backup 2: > backup_tree_root: 1111816585216 gen: 35276 level: 1 > backup_chunk_root: 1111721295872 gen: 33824 level: 1 > backup_extent_root: 1111815340032 gen: 35276 level: 2 > backup_fs_root: 1111808983040 gen: 35277 level: 2 > backup_dev_root: 1112427905024 gen: 33824 level: 1 > backup_csum_root: 1111818010624 gen: 35276 level: 2 > backup_total_bytes: 483183820800 > backup_bytes_used: 229738541056 > backup_num_devices: 3 > > backup 3: > backup_tree_root: 1111842062336 gen: 35277 level: 1 > backup_chunk_root: 1111721295872 gen: 33824 level: 1 > backup_extent_root: 1111825956864 gen: 35277 level: 2 > backup_fs_root: 1111836409856 gen: 35277 level: 2 > backup_dev_root: 1111842095104 gen: 35277 level: 1 > backup_csum_root: 1111842160640 gen: 35277 level: 2 > backup_total_bytes: 483183820800 > backup_bytes_used: 229738524672 > backup_num_devices: 3 > > > superblock: bytenr=67108864, device=/dev/mapper/Data3vg-afs0 > --------------------------------------------------------- > csum 0x4331223e [match] > bytenr 67108864 > flags 0x1 > magic _BHRfS_M [match] > fsid 7d4b023a-a1ef-4991-b01d-31e7c4fdfbcf > label > generation 35278 > root 1111813750784 > sys_array_size 161 > chunk_root_generation 33824 > root_level 1 > chunk_root 1111721295872 > chunk_root_level 1 > log_root 0 > log_root_transid 0 > log_root_level 0 > total_bytes 483183820800 > bytes_used 229738524672 > sectorsize 4096 > nodesize 16384 > leafsize 16384 > stripesize 4096 > root_dir 6 > num_devices 3 > compat_flags 0x0 > compat_ro_flags 0x0 > incompat_flags 0xe1 > ( MIXED_BACKREF | > BIG_METADATA | > EXTENDED_IREF | > RAID56 ) > csum_type 0 > csum_size 4 > cache_generation 35278 > uuid_tree_generation 35278 > dev_item.uuid ce22bfec-b82d-42cf-8703-8f1eaa17a1ec > dev_item.fsid 7d4b023a-a1ef-4991-b01d-31e7c4fdfbcf [match] > dev_item.type 0 > dev_item.total_bytes 161061273600 > dev_item.bytes_used 116534542336 > dev_item.io_align 4096 > dev_item.io_width 4096 > dev_item.sector_size 4096 > dev_item.devid 4 > dev_item.dev_group 0 > dev_item.seek_speed 0 > dev_item.bandwidth 0 > dev_item.generation 0 > sys_chunk_array[2048]: > item 0 key (FIRST_CHUNK_TREE CHUNK_ITEM 1111721246720) > chunk length 67108864 owner 2 type SYSTEM|RAID5 num_stripes 3 > stripe 0 devid 2 offset 1048576 > stripe 1 devid 4 offset 1048576 > stripe 2 devid 3 offset 1048576 > backup_roots[4]: > backup 0: > backup_tree_root: 1111813750784 gen: 35278 level: 1 > backup_chunk_root: 1111721295872 gen: 33824 level: 1 > backup_extent_root: 1111813963776 gen: 35278 level: 2 > backup_fs_root: 1111836409856 gen: 35277 level: 2 > backup_dev_root: 1111814504448 gen: 35278 level: 1 > backup_csum_root: 1111814963200 gen: 35278 level: 2 > backup_total_bytes: 483183820800 > backup_bytes_used: 229738524672 > backup_num_devices: 3 > > backup 1: > backup_tree_root: 1111811768320 gen: 35275 level: 1 > backup_chunk_root: 1111721295872 gen: 33824 level: 1 > backup_extent_root: 1111808262144 gen: 35275 level: 2 > backup_fs_root: 1111808081920 gen: 35275 level: 2 > backup_dev_root: 1112427905024 gen: 33824 level: 1 > backup_csum_root: 1111814733824 gen: 35275 level: 2 > backup_total_bytes: 483183820800 > backup_bytes_used: 229738541056 > backup_num_devices: 3 > > backup 2: > backup_tree_root: 1111816585216 gen: 35276 level: 1 > backup_chunk_root: 1111721295872 gen: 33824 level: 1 > backup_extent_root: 1111815340032 gen: 35276 level: 2 > backup_fs_root: 1111808983040 gen: 35277 level: 2 > backup_dev_root: 1112427905024 gen: 33824 level: 1 > backup_csum_root: 1111818010624 gen: 35276 level: 2 > backup_total_bytes: 483183820800 > backup_bytes_used: 229738541056 > backup_num_devices: 3 > > backup 3: > backup_tree_root: 1111842062336 gen: 35277 level: 1 > backup_chunk_root: 1111721295872 gen: 33824 level: 1 > backup_extent_root: 1111825956864 gen: 35277 level: 2 > backup_fs_root: 1111836409856 gen: 35277 level: 2 > backup_dev_root: 1111842095104 gen: 35277 level: 1 > backup_csum_root: 1111842160640 gen: 35277 level: 2 > backup_total_bytes: 483183820800 > backup_bytes_used: 229738524672 > backup_num_devices: 3 > > > > > > > > Maybe we can use old super to restore it to a mountable status. > > > > If you have spare space to backup all the 3 devices, it's recommended to > > do it, as some repair tips may cause some write into disk, and may even > > make things worse. > > > > Will do. I have enough space. > > > > Mit freundlichen Grüßen/Kind regards > > > > > > Felix Koop > -- > To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
