Generalidades de RAID

RAID

VBoxManage list vms

Creando los discos en Virtualbox para maquina ubuntu18_prueba1

VBoxManage createmedium disk –filename VirtualBox\ VMs/ubuntu18_prueba1/disco1.dvi –size 1024 –format VDI –variant Standard VBoxManage storageattach ubuntu18_prueba1 –storagectl “SATA” –port 2 –type hdd –medium VirtualBox\ VMs/ubuntu18_prueba1/disco1.dvi

VBoxManage createmedium disk –filename VirtualBox\ VMs/ubuntu18_prueba1/disco2.dvi –size 1024 –format VDI –variant Standard VBoxManage storageattach ubuntu18_prueba1 –storagectl “SATA” –port 3 –type hdd –medium VirtualBox\ VMs/ubuntu18_prueba1/disco2.dvi

VBoxManage startvm ubuntu18_prueba1 –type headless

VBoxManage list runningvms

Creamos las particiones

gdisk /dev/sdb

gdisk /dev/sdc

lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT loop0 7:0 0 88.5M 1 loop /snap/core/7270 loop1 7:1 0 89.1M 1 loop /snap/core/8039 sda 8:0 0 10G 0 disk ├─sda1 8:1 0 1M 0 part └─sda2 8:2 0 10G 0 part / sdb 8:16 0 1G 0 disk └─sdb1 8:17 0 1023M 0 part

mdadm

mdadm –create /dev/md0 –level=1 –raid-disks=2 /dev/sdb1 /dev/sdc1

mkfs.ext4 /dev/md0

mkdir /mnt/raid

mount /dev/md0 /mnt/raid/

umount /dev/md0

cat /proc/mdstat

mdadm –detail –scan

mdadm –detail –scan » /etc/mdadm/mdadm.conf

echo '/dev/md0 /mnt/raid ext4 defaults,nofail,discard 0 0' | sudo tee -a /etc/fstab

update-initramfs -u

reboot