################################
Affectation du disque via GCLOUD
################################

gcloud compute instances attach-disk prod-web-01 \
--disk prod-web-01-swap \
--device-name disk-swap

################################
Montage du disque
################################

sudo mkfs.ext4 -m 0 -E lazy_itable_init=0,lazy_journal_init=0,discard /dev/sdb
sudo mkdir -p /mnt/disks/sdb
sudo mount -o discard,defaults /dev/sdb /mnt/disks/sdb
sudo chmod a+w /mnt/disks/sdb

sudo cp /etc/fstab /etc/fstab.backup
sudo blkid /dev/sdb
--> /dev/sdb: UUID="a22c546c-c742-4516-ae02-183e6cde2ccc" BLOCK_SIZE="4096" TYPE="ext4"

sudo nano /etc/fstab
UUID=a22c546c-c742-4516-ae02-183e6cde2ccc /mnt/disks/sdb ext4 discard,defaults 0 2

################################
Ajouter le disque en swap
################################

sudo swapon --show
sudo fallocate -l 15.69G /mnt/disks/sdb/swap
sudo chmod 600 /mnt/disks/sdb/swap
sudo mkswap /mnt/disks/sdb/swap

--> Setting up swapspace version 1, size = 15.6 GiB (16713084928 bytes)
no label, UUID=c80e2e06-6308-45ea-959a-622a46fdfdad

sudo swapon /mnt/disks/sdb/swap

sudo swapon --show
-->
NAME TYPE SIZE USED PRIO
/mnt/disks/sdb/swap file 14.6G 0B -2

nano /etc/fstab
/mnt/disks/sdb/swap swap swap defaults 0 0

sudo sysctl vm.swappiness=33

sudo nano /etc/sysctl.conf
vm.swappiness=33