Bonjour !
Merci pour ton retour.
Voici le résultat des 6 commandes :
Code : Tout sélectionner
____ romain@robot ~ % sudo gdisk -l /dev/sda
GPT fdisk (gdisk) version 1.0.1
Partition table scan:
MBR: protective
BSD: not present
APM: not present
GPT: present
Found valid GPT with protective MBR; using GPT.
Disk /dev/sda: 3907029168 sectors, 1.8 TiB
Logical sector size: 512 bytes
Disk identifier (GUID): 63B69BBA-7DA6-4883-B38A-FAEDF0FE5D04
Partition table holds up to 128 entries
First usable sector is 34, last usable sector is 3907029134
Partitions will be aligned on 2048-sector boundaries
Total free space is 2157 sectors (1.1 MiB)
Number Start (sector) End (sector) Size Code Name
1 2048 3907028991 1.8 TiB FD00
____ romain@robot ~ % sudo gdisk -l /dev/sdb
GPT fdisk (gdisk) version 1.0.1
Partition table scan:
MBR: protective
BSD: not present
APM: not present
GPT: present
Found valid GPT with protective MBR; using GPT.
Disk /dev/sdb: 3907029168 sectors, 1.8 TiB
Logical sector size: 512 bytes
Disk identifier (GUID): A33FFD6A-F625-483B-B66D-751F26A470D6
Partition table holds up to 128 entries
First usable sector is 34, last usable sector is 3907029134
Partitions will be aligned on 2048-sector boundaries
Total free space is 2157 sectors (1.1 MiB)
Number Start (sector) End (sector) Size Code Name
1 2048 3907028991 1.8 TiB FD00
____ romain@robot ~ % sudo gdisk -l /dev/sdc
GPT fdisk (gdisk) version 1.0.1
Partition table scan:
MBR: protective
BSD: not present
APM: not present
GPT: present
Found valid GPT with protective MBR; using GPT.
Disk /dev/sdc: 3907029168 sectors, 1.8 TiB
Logical sector size: 512 bytes
Disk identifier (GUID): 2BE69B7E-5CAF-4EF1-A97F-F18FF69AF21A
Partition table holds up to 128 entries
First usable sector is 34, last usable sector is 3907029134
Partitions will be aligned on 2048-sector boundaries
Total free space is 2157 sectors (1.1 MiB)
Number Start (sector) End (sector) Size Code Name
1 2048 3907028991 1.8 TiB FD00
____ romain@robot ~ % sudo gdisk -l /dev/sdd
GPT fdisk (gdisk) version 1.0.1
Partition table scan:
MBR: protective
BSD: not present
APM: not present
GPT: present
Found valid GPT with protective MBR; using GPT.
Disk /dev/sdd: 234441648 sectors, 111.8 GiB
Logical sector size: 512 bytes
Disk identifier (GUID): 6CDD01D8-3358-4DF8-BFC3-D31212DB4561
Partition table holds up to 128 entries
First usable sector is 34, last usable sector is 234441614
Partitions will be aligned on 2048-sector boundaries
Total free space is 171527021 sectors (81.8 GiB)
Number Start (sector) End (sector) Size Code Name
1 2048 62916607 30.0 GiB 8300 Linux filesystem
____ romain@robot ~ % sudo mdadm --detail /dev/md0
/dev/md0:
Version : 1.2
Creation Time : Sat May 4 17:33:32 2013
Raid Level : raid5
Array Size : 3906763776 (3725.78 GiB 4000.53 GB)
Used Dev Size : 1953381888 (1862.89 GiB 2000.26 GB)
Raid Devices : 3
Total Devices : 2
Persistence : Superblock is persistent
Update Time : Tue Nov 29 15:07:20 2016
State : clean, degraded
Active Devices : 2
Working Devices : 2
Failed Devices : 0
Spare Devices : 0
Layout : left-symmetric
Chunk Size : 512K
Name : robot:0 (local to host robot)
UUID : ddfc051b:a706c5cf:5fe6998c:30ec7fdb
Events : 2092134
Number Major Minor RaidDevice State
- 0 0 0 removed
1 8 17 1 active sync /dev/sdb1
3 8 33 2 active sync /dev/sdc1
____ romain@robot ~ % sudo mdadm --detail --scan
ARRAY /dev/md/0 metadata=1.2 name=robot:0 UUID=ddfc051b:a706c5cf:5fe6998c:30ec7fdb
À la lecture de 'mdadm --detail /dev/md0', il apparait clairement que mon volume RAID est "dégradé", qu'il manque un disque dur. Est-ce signe d'un disque dur défectueux ? D'une mauvaise manipulation ?
Le SMART a l'air bon :
Code : Tout sélectionner
____ romain@robot ~ % sudo smartctl -t short /dev/sda
smartctl 6.5 2016-05-07 r4318 [x86_64-linux-4.8.8-2-ARCH] (local build)
Copyright (C) 2002-16, Bruce Allen, Christian Franke, www.smartmontools.org
=== START OF OFFLINE IMMEDIATE AND SELF-TEST SECTION ===
Sending command: "Execute SMART Short self-test routine immediately in off-line mode".
Drive command "Execute SMART Short self-test routine immediately in off-line mode" successful.
Testing has begun.
Please wait 2 minutes for test to complete.
Test will complete after Tue Nov 29 15:21:09 2016
Use smartctl -X to abort test.
____ romain@robot ~ % sudo smartctl -H /dev/sda
smartctl 6.5 2016-05-07 r4318 [x86_64-linux-4.8.8-2-ARCH] (local build)
Copyright (C) 2002-16, Bruce Allen, Christian Franke, www.smartmontools.org
=== START OF READ SMART DATA SECTION ===
SMART overall-health self-assessment test result: PASSED
Il me semble que d'un redémarrage à l'autre, mes 4 supports de stockage (le SSD sur lequel se trouve / et mes 3 disques durs sur lesquels se trouvent md0 et LVM) changent de device : un coup le SSD est /dev/sdd, parfois il est /dev/sda. Ne serait-ce pas la cause du problème ?
Quoi qu'il en soit, étant fibré, j'envisage de me payer un hubiC 10 To et d'utiliser
rclone pour répliquer mes deux volumes LVM à distance. N'ayant pas besoin de haute disponibilité pour ces données personnelles, je me passerais bien de RAID. Quelle est la meilleure méthode pour "sortir" du RAID ?