Copy a Disk Over SSH Proposed Changes

[dinosore]

Link: https://linode.com/docs/platform/disk-images/copying-a-disk-image-over-ssh/

Issue

The following note under heading "Restore from a Backup" is misleading.

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 Note

The size of the disk(s) created by the restore process will only be slightly larger than the total size of the files restored. This means that the disk(s) created will be ‘full’.

Some applications, like databases, need some amount of free unused space inside the disk in order to run. As a result, you may want to increase your disk(s) size after the restore process is completed.

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I had a nanode with 1 ext4 filesystem on the full 25GB. As I was to run dd over ssh from a home server, how
convenient, I thought, not to have to shrink the volume to reduce network transfer.

In fact the restore filled the full 25G. I transferred the lot as I had a fast enough connection and I couldn't face the arithmetic required to do this without a gui.

##suggested fixes

1. Correct the note to reflect the current reality.

2. Provide a guide to shrinking the filesystem and the disk prior to transfer.

Alternatively, provide a restore option to restore a disk containing just the minimum required to contain the files.