Question

How can we move /home in ubuntu to a block storage?

Hi, I wanted to ask if we can add a block storage and then move /home there. That’s an easy process when installing ubuntu to a laptop with say 2 partitions but is this possible in these mounted volumes?

Thanks in advance

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Suppose inside user’s home at the droplet I add a link to a dir in block storage with this user’s permissions; is this possible? Php can fopen() with path like link/block-storage-users-folder/some-file? Can we use different filesystems between droplet and block storage? Which filesystem is best for many user’s files? Php runs with users permissions NOT www-data or the like.


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Accepted Answer

Yeah you can, it’s quite simple to do

  • mount your new block storage at let’s say /mnt
  • rsync /home over to /mnt
  • delete everything from /home (this is optional to create more space for root partition, MAKE SURE EVERYTHING IS THERE BEFORE DELETING)
  • unmount /mnt
  • mount the new storage with fstab to /home to have it mount on bootup

Well, this seems not to work anymore. Now they have some stupid thing called /dev/disk/by-id/scsi-0DO and I can’t change my location of the home with the above instructions. When I delete the home and mount it as above the home is gone when I reboot my system. Happy that I made a snapshot before I took this action.