Extra /dev/sd.. entries for a fake raid

[Marc Debruyne]

Fake Raid 1 via "LSI Software RAID
***************
ls /dev/sd* + info

-------

/dev/sda /dev/sda1
/dev/sdb /dev/sdb1
/dev/sdc /dev/sdc1 raid 5 /devmd126
/dev/sdf /dev/sdf1
/dev/sdg /dev/sdg1
/dev/sdi /dev/sdi1

/dev/sdh /dev/sdh1 SWAP

/dev/sdd
/dev/sdd16 16 to 20 are the extra entries
/dev/sdd17
/dev/sdd18
/dev/sdd19
/dev/sdd20 raid 1 with 20 partitions
/dev/sde
/dev/sde16
/dev/sde17
/dev/sde18
/dev/sde19
/dev/sde20

/dev/sdj ?

****************

lsblk

------

NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS
sda 8:0 0 16.4T 0 disk
└─sda1 8:1 0 16.4T 0 part
  └─md125 9:125 0 81.9T 0 raid5 /srv/nfs/home
                                        /home
sdb 8:16 0 16.4T 0 disk
└─sdb1 8:17 0 16.4T 0 part
  └─md125 9:125 0 81.9T 0 raid5 /srv/nfs/home
                                        /home
sdc 8:32 0 16.4T 0 disk
└─sdc1 8:33 0 16.4T 0 part
  └─md125 9:125 0 81.9T 0 raid5 /srv/nfs/home
                                        /home
sdd 8:48 0 931.5G 0 disk
├─md126 9:126 0 930.4G 0 raid1
│ ├─md126p1 259:18 0 450M 0 part
│ ├─md126p2 259:19 0 100M 0 part
│ ├─md126p3 259:20 0 16M 0 part
│ ├─md126p4 259:21 0 117.2G 0 part
│ ├─md126p5 259:22 0 97.7G 0 part /
│ ├─md126p6 259:23 0 99M 0 part /boot/efi
│ ├─md126p7 259:24 0 97.7G 0 part
│ ├─md126p8 259:25 0 97.7G 0 part
│ ├─md126p9 259:26 0 6.8G 0 part
│ ├─md126p10 259:27 0 54.8G 0 part
│ ├─md126p11 259:28 0 55.9G 0 part
│ ├─md126p12 259:29 0 43.2G 0 part
│ ├─md126p13 259:30 0 1G 0 part
│ ├─md126p14 259:31 0 40.8G 0 part
│ ├─md126p15 259:32 0 100M 0 part
│ ├─md126p16 259:33 0 16M 0 part
│ ├─md126p17 259:34 0 293G 0 part
│ ├─md126p18 259:35 0 606M 0 part
│ ├─md126p19 259:36 0 6.8G 0 part
│ └─md126p20 259:37 0 6.8G 0 part
├─md127 9:127 0 0B 0 md
├─sdd16 259:8 0 16M 0 part
├─sdd17 259:9 0 293G 0 part
├─sdd18 259:10 0 606M 0 part
├─sdd19 259:11 0 6.8G 0 part
└─sdd20 259:12 0 6.8G 0 part
sde 8:64 0 931.5G 0 disk
├─md126 9:126 0 930.4G 0 raid1
│ ├─md126p1 259:18 0 450M 0 part
│ ├─md126p2 259:19 0 100M 0 part
│ ├─md126p3 259:20 0 16M 0 part
│ ├─md126p4 259:21 0 117.2G 0 part
│ ├─md126p5 259:22 0 97.7G 0 part /
│ ├─md126p6 259:23 0 99M 0 part /boot/efi
│ ├─md126p7 259:24 0 97.7G 0 part
│ ├─md126p8 259:25 0 97.7G 0 part
│ ├─md126p9 259:26 0 6.8G 0 part
│ ├─md126p10 259:27 0 54.8G 0 part
│ ├─md126p11 259:28 0 55.9G 0 part
│ ├─md126p12 259:29 0 43.2G 0 part
│ ├─md126p13 259:30 0 1G 0 part
│ ├─md126p14 259:31 0 40.8G 0 part
│ ├─md126p15 259:32 0 100M 0 part
│ ├─md126p16 259:33 0 16M 0 part
│ ├─md126p17 259:34 0 293G 0 part
│ ├─md126p18 259:35 0 606M 0 part
│ ├─md126p19 259:36 0 6.8G 0 part
│ └─md126p20 259:37 0 6.8G 0 part
├─md127 9:127 0 0B 0 md
├─sde16 259:13 0 16M 0 part
├─sde17 259:14 0 293G 0 part
├─sde18 259:15 0 606M 0 part
├─sde19 259:16 0 6.8G 0 part
└─sde20 259:17 0 6.8G 0 part
sdf 8:80 0 16.4T 0 disk
└─sdf1 8:81 0 16.4T 0 part
  └─md125 9:125 0 81.9T 0 raid5 /srv/nfs/home
                                        /home
sdg 8:96 0 16.4T 0 disk
└─sdg1 8:97 0 16.4T 0 part
  └─md125 9:125 0 81.9T 0 raid5 /srv/nfs/home
                                        /home
sdh 8:112 0 465.8G 0 disk
└─sdh1 8:113 0 465.8G 0 part [SWAP]
sdi 8:128 0 16.4T 0 disk
└─sdi1 8:129 0 16.4T 0 part
  └─md125 9:125 0 81.9T 0 raid5 /srv/nfs/home
                                        /home
sdj 8:144 1 0B 0 disk
sr0 11:0 1 4G 0 rom
nvme0n1 259:0 0 953.9G 0 disk
├─nvme0n1p1 259:38 0 100M 0 part
├─nvme0n1p2 259:39 0 16M 0 part
├─nvme0n1p3 259:40 0 293G 0 part
├─nvme0n1p4 259:41 0 606M 0 part
├─nvme0n1p5 259:42 0 39.1G 0 part
├─nvme0n1p6 259:43 0 37.3G 0 part
└─nvme0n1p7 259:44 0 93.1G 0 part

******************

blkid

--------

/dev/md125: UUID="05eeba2c-9ab4-4bb2-93ca-85c29bc9d852" BLOCK_SIZE="4096" TYPE="ext4"
/dev/md126p1: LABEL="Recovery" BLOCK_SIZE="512" UUID="46B0C283B0C27947" TYPE="ntfs" PARTUUID="b5ea8385-bd48-bc40-a37d-f78aa81a9b32"
/dev/md126p2: LABEL="SYSTEM" UUID="9030-2F6D" BLOCK_SIZE="512" TYPE="vfat" PARTUUID="a3c1293b-522c-1c4b-a7a8-acb367aaccd1"
/dev/md126p4: LABEL="Windows_10" BLOCK_SIZE="512" UUID="109ED0469ED025CE" TYPE="ntfs" PARTUUID="2759f468-2220-584d-ab3e-62a5ddb5f47c"
/dev/md126p5: LABEL="Gentoo 1" UUID="ceffaa4b-695c-4490-9f9a-38aed1bc40a8" BLOCK_SIZE="4096" TYPE="ext4" PARTUUID="9df78387-1113-d941-a6e5-942008bb5c4a"
/dev/md126p6: LABEL_FATBOOT="EFI_Gentoo1" LABEL="EFI_Gentoo1" UUID="3883-62B1" BLOCK_SIZE="512" TYPE="vfat" PARTUUID="68f07cf1-f9af-534b-9eb2-ff3d5100ad7c"
/dev/md126p7: LABEL="Gentoo 2" UUID="c9247467-374b-41c2-a72f-57a37d3e6d7b" BLOCK_SIZE="4096" TYPE="ext4" PARTUUID="3f8de685-9ea2-9d40-abea-97d2c736c8c6"
/dev/md126p8: LABEL="Gentoo 3" UUID="52118bfa-440a-48eb-9ad8-99749988c7fa" BLOCK_SIZE="4096" TYPE="ext4" PARTUUID="71d75852-4eed-d74f-b27a-8537d4a32581"
/dev/md126p9: LABEL="LFS sysd 12.0" UUID="e6001dff-27e9-4388-b622-26c59ce80085" BLOCK_SIZE="4096" TYPE="ext4" PARTUUID="a613bf75-5047-8642-b545-ad0e7fe57d93"
/dev/md126p10: LABEL="Ubuntu 24.04" UUID="dd12ff4e-9ed6-4d5b-a391-cce9bdcb264d" BLOCK_SIZE="4096" TYPE="ext4" PARTUUID="c17dede0-d4f6-5043-a0a7-bd9a4d6dba9c"
/dev/md126p11: LABEL="Ubuntu 22.04" UUID="036f6f20-6b01-4d5e-8f42-e55ab46a9009" BLOCK_SIZE="4096" TYPE="ext4" PARTUUID="6ff7d372-c4bc-1b4c-8177-53cce534a39e"
/dev/md126p12: LABEL="ISO Sytems" UUID="d2290b79-34a7-4251-80b7-9f8b024348c2" BLOCK_SIZE="4096" TYPE="ext4" PARTUUID="597e090b-f42a-4b4c-aaf0-454ee974ff7b"
/dev/md126p13: LABEL="Clonezilla" UUID="e102e1d8-37ee-48c9-966e-4dc815b24ee1" BLOCK_SIZE="4096" TYPE="ext4" PARTUUID="158e6974-b5cb-3945-b734-2ed522900a72"
/dev/md126p14: LABEL="Ubuntu Home" UUID="a6ebbfa2-b4f0-4701-9b69-5e680a245dcc" BLOCK_SIZE="4096" TYPE="ext4" PARTUUID="646cdd48-41cb-49aa-b2ee-9a08f7b7ca1e"
/dev/md126p15: LABEL_FATBOOT="EFI_W11" LABEL="EFI_W11" UUID="62D0-9530" BLOCK_SIZE="512" TYPE="vfat" PARTUUID="5ed7b3c5-dbb6-9143-954f-2bf8022abe76"
/dev/md126p17: BLOCK_SIZE="512" UUID="D66A58B46A58935B" TYPE="ntfs" PARTUUID="1cb07353-a2af-7443-9c23-dd34c1d482cb"
/dev/md126p18: BLOCK_SIZE="512" UUID="802EB1582EB14844" TYPE="ntfs" PARTUUID="5643e2c3-e229-b449-8453-e0e82c615c45"
/dev/md126p19: LABEL="LFS sysd 12.0 DE" UUID="6342936d-140d-4051-ad74-fed61623178a" BLOCK_SIZE="4096" TYPE="ext4" PARTUUID="9eb8029e-c372-47bb-8296-7989fa1cc382"
/dev/md126p20: LABEL="LFS sysd 12.0 NE" UUID="6aff57b4-bc71-4e93-8807-db85c7e72d92" BLOCK_SIZE="4096" TYPE="ext4" PARTUUID="8fc6d76b-727a-42b2-be23-28467132a659"
/dev/nvme0n1p1: UUID="E256-F414" BLOCK_SIZE="512" TYPE="vfat" PARTLABEL="EFI system partition" PARTUUID="fa0e08f9-fae7-43c8-b0f1-44ff1393d63c"
/dev/nvme0n1p3: BLOCK_SIZE="512" UUID="D66A58B46A58935B" TYPE="ntfs" PARTLABEL="Basic data partition" PARTUUID="e4675753-429a-4a0c-a431-2107e592e315"
/dev/nvme0n1p4: BLOCK_SIZE="512" UUID="802EB1582EB14844" TYPE="ntfs" PARTUUID="266e4a07-4320-4fd0-958c-19dba39fccfb"
/dev/nvme0n1p5: LABEL="Ubuntu Home" UUID="a6ebbfa2-b4f0-4701-9b69-5e680a245dcc" BLOCK_SIZE="4096" TYPE="ext4" PARTUUID="93f66863-e60a-fb43-9e8e-d8de36e532a3"
/dev/nvme0n1p6: UUID="37424a31-ede7-4e94-8636-4d5cfd37785a" BLOCK_SIZE="4096" TYPE="ext4" PARTUUID="45999b8c-ac59-4912-a4fc-a4986caad943"
/dev/nvme0n1p7: UUID="4c886474-e36e-4922-a219-76b290862e0d" BLOCK_SIZE="4096" TYPE="ext4" PARTUUID="f891ad39-0a04-40c5-9bf7-97c57a7879fa"
/dev/sda1: UUID="a6f4693e-1554-697b-5c93-edf466ac4f07" UUID_SUB="4ae0e931-99b5-a0aa-a50e-c9a1245047c2" LABEL="marc:124" TYPE="linux_raid_member" PARTUUID="9469133c-8706-514c-b2af-8ee0d7be61e9"
/dev/sdb1: UUID="a6f4693e-1554-697b-5c93-edf466ac4f07" UUID_SUB="c9eda85e-a908-a537-d48a-2de4f3385145" LABEL="marc:124" TYPE="linux_raid_member" PARTUUID="3447f3d9-83fe-3843-9555-a85fead987bd"
/dev/sdc1: UUID="a6f4693e-1554-697b-5c93-edf466ac4f07" UUID_SUB="2b3474dc-cb07-d17b-332c-c17dbebfacf9" LABEL="marc:124" TYPE="linux_raid_member" PARTUUID="db7fc402-43cc-d544-a376-a3724ecf1ef8"
/dev/sdd17: BLOCK_SIZE="512" UUID="D66A58B46A58935B" TYPE="ntfs" PARTUUID="1cb07353-a2af-7443-9c23-dd34c1d482cb"
/dev/sdd18: BLOCK_SIZE="512" UUID="802EB1582EB14844" TYPE="ntfs" PARTUUID="5643e2c3-e229-b449-8453-e0e82c615c45"
/dev/sdd19: LABEL="LFS sysd 12.0 DE" UUID="6342936d-140d-4051-ad74-fed61623178a" BLOCK_SIZE="4096" TYPE="ext4" PARTUUID="9eb8029e-c372-47bb-8296-7989fa1cc382"
/dev/sdd20: LABEL="LFS sysd 12.0 NE" UUID="6aff57b4-bc71-4e93-8807-db85c7e72d92" BLOCK_SIZE="4096" TYPE="ext4" PARTUUID="8fc6d76b-727a-42b2-be23-28467132a659"
/dev/sde17: BLOCK_SIZE="512" UUID="D66A58B46A58935B" TYPE="ntfs" PARTUUID="1cb07353-a2af-7443-9c23-dd34c1d482cb"
/dev/sde18: BLOCK_SIZE="512" UUID="802EB1582EB14844" TYPE="ntfs" PARTUUID="5643e2c3-e229-b449-8453-e0e82c615c45"
/dev/sde19: LABEL="LFS sysd 12.0 DE" UUID="6342936d-140d-4051-ad74-fed61623178a" BLOCK_SIZE="4096" TYPE="ext4" PARTUUID="9eb8029e-c372-47bb-8296-7989fa1cc382"
/dev/sde20: LABEL="LFS sysd 12.0 NE" UUID="6aff57b4-bc71-4e93-8807-db85c7e72d92" BLOCK_SIZE="4096" TYPE="ext4" PARTUUID="8fc6d76b-727a-42b2-be23-28467132a659"
/dev/sdf1: UUID="a6f4693e-1554-697b-5c93-edf466ac4f07" UUID_SUB="6179a5c6-670b-5267-93d9-d91cdf412ddb" LABEL="marc:124" TYPE="linux_raid_member" PARTUUID="89b4c397-56cd-324b-8087-1a97546bad3e"
/dev/sdg1: UUID="a6f4693e-1554-697b-5c93-edf466ac4f07" UUID_SUB="916713bb-f883-c8d8-b30d-ec24a6a0e378" LABEL="marc:124" TYPE="linux_raid_member" PARTUUID="76b4d0ad-a65b-5c40-8583-90b9cca050e4"
/dev/sdh1: UUID="b4b1cbec-4e1f-4da7-88d7-5ebc50492090" TYPE="swap" PARTUUID="77092f13-01"
/dev/sdi1: UUID="a6f4693e-1554-697b-5c93-edf466ac4f07" UUID_SUB="e9b7922a-6993-8be3-6225-e7df4256211c" LABEL="marc:124" TYPE="linux_raid_member" PARTUUID="1e763663-6a11-a448-aaac-60ffe20c2cf8"
/dev/nvme0n1p2: PARTLABEL="Microsoft reserved partition" PARTUUID="3cf19ba3-119b-430b-a26e-8a6b2893192d"
/dev/sdd16: PARTUUID="90c8e6a3-789b-8442-8592-442fe3d69e88"
/dev/sde16: PARTUUID="90c8e6a3-789b-8442-8592-442fe3d69e88"
/dev/md126p3: PARTUUID="f876f727-21e7-f543-a105-5b4180bebed0"
/dev/md126p16: PARTUUID="90c8e6a3-789b-8442-8592-442fe3d69e88"

one of the results is than grub-mkconfig makes extra entries for the extra /dev entries.