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sed -i 's/^\/dev\/mapper\/storage/#\/dev\/mapper\/storage/' /etc/fstab umount /storage lvremove -f /dev/storage/tmp /dev/storage/swap /dev/storage/fs vgremove storage pvremove -f /dev/nvme0n1p1 /dev/nvme1n1p1 /dev/nvme2n1p1 /dev/nvme3n1p1 |
mdraid
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sgdisk -Z /dev/nvme0n1
sgdisk -Z /dev/nvme1n1
sgdisk -Z /dev/nvme2n1
sgdisk -Z /dev/nvme3n1
sgdisk -n1:0:0 -t1:EF00 /dev/nvme0n1
sgdisk -n1:0:0 -t1:EF00 /dev/nvme1n1
sgdisk -n1:0:0 -t1:EF00 /dev/nvme2n1
sgdisk -n1:0:0 -t1:EF00 /dev/nvme3n1
mdadm --create --level=0 --raid-devices=4 --name=storage /dev/md0 /dev/nvme*n1p1
mkfs.ext4 /dev/md0
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btrfs
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sgdisk -Z /dev/nvme0n1 sgdisk -Z /dev/nvme1n1 sgdisk -Z /dev/nvme2n1 sgdisk -Z /dev/nvme3n1 sgdisk -n1:0:0 -t1:EF00 /dev/nvme0n1 sgdisk -n1:0:0 -t1:EF00 /dev/nvme1n1 sgdisk -n1:0:0 -t1:EF00 /dev/nvme2n1 sgdisk -n1:0:0 -t1:EF00 /dev/nvme3n1 mkfs.btrfs --data raid0 --mixed --sectorsize 128k /dev/nvme0n1p1 /dev/nvme1n1p1 /dev/nvme2n1p1 /dev/nvme3n1p1 systemctl daemon-reload |
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root@server5:/# mkfs.btrfs --data raid0 --sectorsize 4k /dev/nvme0n1p1 /dev/nvme1n1p1 /dev/nvme2n1p1 /dev/nvme3n1p1 btrfs-progs v6.6.3
See https://btrfs.readthedocs.io for more information.
Performing full device TRIM /dev/nvme0n1p1 (3.64TiB) ...
Performing full device TRIM /dev/nvme3n1p1 (3.64TiB) ...
Performing full device TRIM /dev/nvme2n1p1 (3.64TiB) ...
Performing full device TRIM /dev/nvme1n1p1 (3.64TiB) ...
NOTE: several default settings have changed in version 5.15, please make sure
this does not affect your deployments:
- DUP for metadata (-m dup)
- enabled no-holes (-O no-holes)
- enabled free-space-tree (-R free-space-tree)
Label: (null)
UUID: 136781b9-8962-48e5-b881-80bf277097de
Node size: 16384
Sector size: 4096
Filesystem size: 14.55TiB
Block group profiles:
Data: RAID0 4.00GiB
Metadata: RAID1 1.00GiB
System: RAID1 8.00MiB
SSD detected: yes
Zoned device: no
Incompat features: extref, skinny-metadata, no-holes, free-space-tree
Runtime features: free-space-tree
Checksum: crc32c
Number of devices: 4
Devices:
ID SIZE PATH
1 3.64TiB /dev/nvme0n1p1
2 3.64TiB /dev/nvme1n1p1
3 3.64TiB /dev/nvme2n1p1
4 3.64TiB /dev/nvme3n1p1
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root@server5:~# mdadm --create --level=0 --raid-devices=4 --name=storage /dev/md0 /dev/nvme*n1p1
mdadm: Defaulting to version 1.2 metadata
mdadm: array /dev/md0 started.
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