La perte observée est de l'ordre de 38To... ça me paraît beaucoup ! Je ne suis pas le premier à configurer cette machine alors peut-être que des erreurs ou des choses que je ne vois pas ont été faites avant moi.
Que dit: fdisk -l
Ceci:
Disk /dev/sda: 10.9 TiB, 12000138625024 bytes, 23437770752 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: gpt
Disk identifier: 8C630AB4-A36B-48A0-A9C8-110072656373
Device Start End Sectors Size Type
/dev/sda1 2048 1075199 1073152 524M EFI System
/dev/sda2 1075200 2148351 1073152 524M Linux RAID
/dev/sda3 2148352 197459967 195311616 93.1G Linux RAID
/dev/sda4 197459968 236521471 39061504 18.6G Linux RAID
/dev/sda5 23436695552 23437768703 1073152 524M Linux swap
/dev/sda6 236521472 23436695551 23200174080 10.8T Linux RAID
Partition table entries are not in disk order.
Disk /dev/sdb: 10.9 TiB, 12000138625024 bytes, 23437770752 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: gpt
Disk identifier: E183B4E6-4689-4D33-BB72-736DAE8A20F4
Device Start End Sectors Size Type
/dev/sdb1 2048 1075199 1073152 524M EFI System
/dev/sdb2 1075200 2148351 1073152 524M Linux RAID
/dev/sdb3 2148352 197459967 195311616 93.1G Linux RAID
/dev/sdb4 197459968 236521471 39061504 18.6G Linux RAID
/dev/sdb5 23436695552 23437768703 1073152 524M Linux swap
/dev/sdb6 236521472 23436695551 23200174080 10.8T Linux RAID
Partition table entries are not in disk order.
Disk /dev/sdc: 10.9 TiB, 12000138625024 bytes, 23437770752 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: gpt
Disk identifier: 2DB3C659-9645-4E82-9DFB-F93BC656758A
Device Start End Sectors Size Type
/dev/sdc1 2048 1075199 1073152 524M EFI System
/dev/sdc2 1075200 2148351 1073152 524M Linux RAID
/dev/sdc3 2148352 197459967 195311616 93.1G Linux RAID
/dev/sdc4 197459968 236521471 39061504 18.6G Linux RAID
/dev/sdc5 23436695552 23437768703 1073152 524M Linux swap
/dev/sdc6 236521472 23436695551 23200174080 10.8T Linux RAID
Partition table entries are not in disk order.
Disk /dev/sdd: 10.9 TiB, 12000138625024 bytes, 23437770752 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: gpt
Disk identifier: 4625908F-F3C4-4977-80E4-9FBD8982BD2F
Device Start End Sectors Size Type
/dev/sdd1 2048 1075199 1073152 524M EFI System
/dev/sdd2 1075200 2148351 1073152 524M Linux RAID
/dev/sdd3 2148352 197459967 195311616 93.1G Linux RAID
/dev/sdd4 197459968 236521471 39061504 18.6G Linux RAID
/dev/sdd5 23436695552 23437768703 1073152 524M Linux swap
/dev/sdd6 236521472 23436695551 23200174080 10.8T Linux RAID
Partition table entries are not in disk order.
Disk /dev/sde: 10.9 TiB, 12000138625024 bytes, 23437770752 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: gpt
Disk identifier: CFF6ECE5-E6EE-47CB-BD12-F7F2896D084A
Device Start End Sectors Size Type
/dev/sde1 2048 1075199 1073152 524M EFI System
/dev/sde2 1075200 2148351 1073152 524M Linux RAID
/dev/sde3 2148352 197459967 195311616 93.1G Linux RAID
/dev/sde4 197459968 236521471 39061504 18.6G Linux RAID
/dev/sde5 23436695552 23437768703 1073152 524M Linux swap
/dev/sde6 236521472 23436695551 23200174080 10.8T Linux RAID
Partition table entries are not in disk order.
Disk /dev/sdf: 10.9 TiB, 12000138625024 bytes, 23437770752 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: gpt
Disk identifier: 49EF5D46-F14E-4E5A-AD5F-8AD7178CA142
Device Start End Sectors Size Type
/dev/sdf1 2048 1075199 1073152 524M EFI System
/dev/sdf2 1075200 2148351 1073152 524M Linux RAID
/dev/sdf3 2148352 197459967 195311616 93.1G Linux RAID
/dev/sdf4 197459968 236521471 39061504 18.6G Linux RAID
/dev/sdf5 23436695552 23437768703 1073152 524M Linux swap
/dev/sdf6 236521472 23436695551 23200174080 10.8T Linux RAID
Partition table entries are not in disk order.
Disk /dev/md0: 523.4 MiB, 548864000 bytes, 1072000 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk /dev/md2: 18.6 GiB, 19982712832 bytes, 39028736 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk /dev/md1: 93.1 GiB, 99932438528 bytes, 195180544 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk /dev/md3: 32.4 TiB, 35635064733696 bytes, 69599735808 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 524288 bytes / 1572864 bytes