Dear community,
another victim of RAID is hoping for your advice
It is concerning RAID5 using 3 disks (sdb,sdc,sdd) which somehow disappeared
Code
root@overlord:~# blkid
/dev/mapper/overlord-swap_1: UUID="8663f4e6-7f8c-4033-885d-8d08e30104b7" TYPE="swap"
/dev/sda5: UUID="f0650d86-91f3-477a-8b10-8e3ae13c712f" TYPE="crypto_LUKS"
/dev/sda1: UUID="dc9db794-79b6-462d-a806-9b621bb5c9b8" TYPE="ext2"
/dev/mapper/sda5_crypt: UUID="0vOaS2-131i-2Xhd-SWnu-Fo7h-1ORq-7bvYEV" TYPE="LVM2_member"
/dev/mapper/overlord-root: UUID="9896bb07-cd74-49a1-9420-109ecf3eb612" TYPE="ext4"
Code
root@overlord:~# fdisk -l
WARNING: GPT (GUID Partition Table) detected on '/dev/sdb'! The util fdisk doesn't support GPT. Use GNU Parted.
Disk /dev/sdb: 3000.6 GB, 3000592982016 bytes
255 heads, 63 sectors/track, 364801 cylinders, total 5860533168 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 identifier: 0x00000000
Device Boot Start End Blocks Id System
/dev/sdb1 1 4294967295 2147483647+ ee GPT
Partition 1 does not start on physical sector boundary.
Disk /dev/sda: 60.0 GB, 60022480896 bytes
255 heads, 63 sectors/track, 7297 cylinders, total 117231408 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x000f214b
Device Boot Start End Blocks Id System
/dev/sda1 * 2048 499711 248832 83 Linux
/dev/sda2 501758 117229567 58363905 5 Extended
/dev/sda5 501760 117229567 58363904 83 Linux
WARNING: GPT (GUID Partition Table) detected on '/dev/sdc'! The util fdisk doesn't support GPT. Use GNU Parted.
Disk /dev/sdc: 3000.6 GB, 3000592982016 bytes
255 heads, 63 sectors/track, 364801 cylinders, total 5860533168 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 identifier: 0x00000000
Device Boot Start End Blocks Id System
/dev/sdc1 1 4294967295 2147483647+ ee GPT
Partition 1 does not start on physical sector boundary.
WARNING: GPT (GUID Partition Table) detected on '/dev/sdd'! The util fdisk doesn't support GPT. Use GNU Parted.
Disk /dev/sdd: 3000.6 GB, 3000592982016 bytes
255 heads, 63 sectors/track, 364801 cylinders, total 5860533168 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 identifier: 0x00000000
Device Boot Start End Blocks Id System
/dev/sdd1 1 4294967295 2147483647+ ee GPT
Partition 1 does not start on physical sector boundary.
Disk /dev/mapper/sda5_crypt: 59.8 GB, 59762540544 bytes
255 heads, 63 sectors/track, 7265 cylinders, total 116723712 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000
Disk /dev/mapper/sda5_crypt doesn't contain a valid partition table
Disk /dev/mapper/overlord-root: 57.3 GB, 57289998336 bytes
255 heads, 63 sectors/track, 6965 cylinders, total 111894528 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000
Disk /dev/mapper/overlord-root doesn't contain a valid partition table
Disk /dev/mapper/overlord-swap_1: 2470 MB, 2470445056 bytes
255 heads, 63 sectors/track, 300 cylinders, total 4825088 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000
Disk /dev/mapper/overlord-swap_1 doesn't contain a valid partition table
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Code
root@overlord:~# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sdb 8:16 0 2.7T 0 disk
└─sdb1 8:17 0 2.7T 0 part
sda 8:0 0 55.9G 0 disk
├─sda1 8:1 0 243M 0 part /boot
├─sda2 8:2 0 1K 0 part
└─sda5 8:5 0 55.7G 0 part
└─sda5_crypt (dm-0) 253:0 0 55.7G 0 crypt
├─overlord-root (dm-1) 253:1 0 53.4G 0 lvm /
└─overlord-swap_1 (dm-2) 253:2 0 2.3G 0 lvm [SWAP]
sdc 8:32 0 2.7T 0 disk
└─sdc1 8:33 0 2.7T 0 part
sdd 8:48 0 2.7T 0 disk
└─sdd1 8:49 0 2.7T 0 part
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Code
root@overlord:~# mdadm --examine /dev/sdb
/dev/sdb:
MBR Magic : aa55
Partition[0] : 4294967295 sectors at 1 (type ee)
root@overlord:~# mdadm --examine /dev/sdc
/dev/sdc:
MBR Magic : aa55
Partition[0] : 4294967295 sectors at 1 (type ee)
root@overlord:~# mdadm --examine /dev/sdd
/dev/sdd:
MBR Magic : aa55
Partition[0] : 4294967295 sectors at 1 (type ee)
root@overlord:~#
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