Add disk and create new volume group and logical volume

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chris
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Posts: 36
Joined: Mon Dec 09, 2019 6:55 pm

Add disk and create new volume group and logical volume

Post by chris »

Rescan SCSI BUS:

for host in `ls /sys/class/scsi_host/`;do echo "- - -" >/sys/class/scsi_host/${host}/scan; done


fdisk -l
Disk /dev/sdb: 400 GiB, 429496729600 bytes, 838860800 sectors
Disk model: Virtual disk
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes

root@mail:~# pvcreate /dev/sdb
Physical volume "/dev/sdb" successfully created.

root@mail:~#vgcreate userdata-vg /dev/sdb

root@mail:~#lvcreate -l 100%FREE -n userdata-lv userdata-vg

root@mail:~#mkfs.ext4 /dev/userdata-vg/userdata-lv

root@mail:~# blkid /dev/userdata-vg/userdata-lv
/dev/userdata-vg/userdata-lv: UUID="1a439a4d-e071-4887-a3fb-6014b3a2e54f" BLOCK_SIZE="4096" TYPE="ext4"

root@mail:~# vim /etc/fstab

ADD:

/dev/disk/by-uuid/1a439a4d-e071-4887-a3fb-6014b3a2e54f /home/user-data ext4 defaults 0 1
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