• KVM Host Disk Layout

KVM Host Disk Layout

This disk layout has several layers. It uses btrfs, on top of LVM, on top of luks encryption, on top of raid, on top of the disks partitions.

Hardware

Two 16G SSD disks are used for the KVM Host. Two 2T SATA disks are used for the KVM Guests filesystem images

KVM Host Disks

Physical Disks and Partitions

sda     16G
sda1   256M
sda2 15360M

sdb     16G
sdb1   256M
sdb2 15360M

Raid

md0 raid1 (sda1, sdb1)
md1 raid1 (sda2, sdb2)

Luks

md1 luks (md1_crypt)

LVM

md1_crypt lvm (vg1)

LVM volumes

vg1 root   2G (/dev/vg1/root)
vg1 swap 512M (/dev/vg1/swap)

Filesystems and Mountpoints

/dev/vg1/root /     (btrfs)
/dev/md0      /boot (btrfs)
/dev/vg1/swap       (swap)