Attach new disk to a google cloud VM


 sudo mkfs.ext4 -m 0 -E lazy_itable_init=0,lazy_journal_init=0,discard /dev/sdb

 sudo mkdir -p /mnt/disks/cvat_volume_backup


sudo mount -o discard,defaults /dev/sdb /mnt/disks/cvat_volume_backup


#providing read and write access to all the users 

sudo chmod a+w /mnt/disks/cvat_volume_backup


#take backup of the fstab file

sudo cp /etc/fstab /etc/fstab.backup


#get uuid 

sudo blkid /dev/sdb



UUID=47a2be8f-b1ed-4556-8404-02cb6b8cd71e /mnt/disks/cvat_volume_backup ext4 discard,defaults,nofail 0 2


Reference :

1. Google doc


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