Hi there. i have a strange problem
my Raid5 is missing a drive UU_UU
Code
root@NAS:~# cat /proc/mdstat
Personalities : [raid6] [raid5] [raid4]
md127 : active raid5 sdf[4] sdb[5] sdc[3] sdd[1]
7814051840 blocks super 1.2 level 5, 512k chunk, algorithm 2 [5/4] [UU_UU]
unused devices: <none>Code
root@NAS:~# blkid
/dev/sdb: UUID="7f07d04a-bb09-a600-353d-2ad9b554df48" UUID_SUB="91b7283b-d2a1-8914-811e-8e28071bec7e" LABEL="NAS:HD" TYPE="linux_raid_member"
/dev/sdc: UUID="7f07d04a-bb09-a600-353d-2ad9b554df48" UUID_SUB="30422e32-92f0-0aee-8563-af7cc8690942" LABEL="NAS:HD" TYPE="linux_raid_member"
/dev/sda1: UUID="5f4ba204-2be7-4405-85b1-839076f69e03" TYPE="ext4" PARTUUID="b8b58244-01"
/dev/sda5: UUID="3676c23c-7683-43a8-b777-4073d1c04cfb" TYPE="swap" PARTUUID="b8b58244-05"
/dev/sde: UUID="7f07d04a-bb09-a600-353d-2ad9b554df48" UUID_SUB="1e1bce59-2b80-7d83-e9ba-411917b52133" LABEL="NAS:HD" TYPE="linux_raid_member"
/dev/sdf: UUID="7f07d04a-bb09-a600-353d-2ad9b554df48" UUID_SUB="97015689-b8fc-a1a2-8614-ed14ded2d059" LABEL="NAS:HD" TYPE="linux_raid_member"
/dev/sdd: UUID="7f07d04a-bb09-a600-353d-2ad9b554df48" UUID_SUB="9934de2d-c090-6082-36f7-796ea11f2dce" LABEL="NAS:HD" TYPE="linux_raid_member"
/dev/sdg1: LABEL="Other" UUID="19ad4901-a651-4001-9306-425956e2c501" UUID_SUB="c408e687-bce8-4dbc-ae4e-a15faa29dd16" TYPE="btrfs" PARTUUID="024ad1b2-c91a-4f02-a044-adfaac0b2612"
/dev/md127: LABEL="NASHD" UUID="5a24e136-09b9-48e1-95db-b44d5db3e28a" TYPE="ext4"
/dev/loop0: UUID="68817de3-c333-4e89-baf6-e02d8c3356e6" TYPE="xfs"
/dev/mapper/docker-8:1-3932199-pool: UUID="68817de3-c333-4e89-baf6-e02d8c3356e6" TYPE="xfs"
/dev/mapper/docker-8:1-3932199-69f44b98593940050a9ae91a6084853aff756fc061bfd7cffef628f21b01dbe6: UUID="68817de3-c333-4e89-baf6-e02d8c3356e6" TYPE="xfs"
/dev/mapper/docker-8:1-3932199-8430e86a5209034e95d06e41def8c9d6f6ad0fa2dbbd7083db541975358f01de: UUID="68817de3-c333-4e89-baf6-e02d8c3356e6" TYPE="xfs"
/dev/mapper/docker-8:1-3932199-e31e11202393507b583e8dc80212c2774cc88a3602d6d7a57574b44b0aa22f16: UUID="68817de3-c333-4e89-baf6-e02d8c3356e6" TYPE="xfs"Code
root@NAS:~# fdisk -l
Disk /dev/sdb: 1,8 TiB, 2000398934016 bytes, 3907029168 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/sdc: 1,8 TiB, 2000398934016 bytes, 3907029168 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/sda: 119,2 GiB, 128035676160 bytes, 250069680 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
Disklabel type: dos
Disk identifier: 0xb8b58244
Device Boot Start End Sectors Size Id Type
/dev/sda1 * 2048 239855615 239853568 114,4G 83 Linux
/dev/sda2 239857662 250068991 10211330 4,9G 5 Extended
/dev/sda5 239857664 250068991 10211328 4,9G 82 Linux swap / Solaris
Disk /dev/sde: 1,8 TiB, 2000398934016 bytes, 3907029168 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/sdf: 1,8 TiB, 2000398934016 bytes, 3907029168 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/sdd: 1,8 TiB, 2000398934016 bytes, 3907029168 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/sdg: 1,8 TiB, 2000398934016 bytes, 3907029168 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: D5030E3E-0E41-4808-B7B1-1C37F502D619
Device Start End Sectors Size Type
/dev/sdg1 2048 3907029134 3907027087 1,8T Linux filesystem
Disk /dev/md127: 7,3 TiB, 8001589084160 bytes, 15628103680 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 524288 bytes / 2097152 bytes
Disk /dev/loop0: 100 GiB, 107374182400 bytes, 209715200 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 /dev/loop1: 2 GiB, 2147483648 bytes, 4194304 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 /dev/mapper/docker-8:1-3932199-pool: 100 GiB, 107374182400 bytes, 209715200 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 65536 bytes / 65536 bytes
Disk /dev/mapper/docker-8:1-3932199-69f44b98593940050a9ae91a6084853aff756fc061bfd7cffef628f21b01dbe6: 10 GiB, 10737418240 bytes, 20971520 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 65536 bytes / 65536 bytes
Disk /dev/mapper/docker-8:1-3932199-8430e86a5209034e95d06e41def8c9d6f6ad0fa2dbbd7083db541975358f01de: 10 GiB, 10737418240 bytes, 20971520 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 65536 bytes / 65536 bytes
Disk /dev/mapper/docker-8:1-3932199-e31e11202393507b583e8dc80212c2774cc88a3602d6d7a57574b44b0aa22f16: 10 GiB, 10737418240 bytes, 20971520 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 65536 bytes / 65536 byteswhen i try
Code
root@NAS:~# mdadm --assemble --force --verbose /dev/md127 /dev/sdeCode
mdadm: looking for devices for /dev/md127
mdadm: Found some drive for an array that is already active: /dev/md/HD
mdadm: giving up.can someone lead me how to get "sde-drive" back in my raid5 system ?