introduction.rst: add History
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@ -127,6 +127,7 @@ language.
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.. todo:: further explain the software stack
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Getting Help
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------------
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@ -178,5 +179,29 @@ along with this program. If not, see AGPL3_.
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History
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-------
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.. todo:: Add development History of the product
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Backup is, and always was, as central aspect of IT administration.
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The need to recover from data loss is fundamental and increases with
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virtualization.
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Not surprisingly, we shipped a backup tool with Proxmox VE from the
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beginning. The tool is called ``vzdump`` and is able to make
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consistent snapshots of running LXC containers and KVM virtual
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machines.
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But ``vzdump`` only allowed for full backups. While this is perfect
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for small backups, it becomes a burden for users with large VMs. Both
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backup time and space usage was too large for this case, specially
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when Users want to keep many backups of the same VMs. We need
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deduplication and incremental backups to solve those problems.
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Back in October 2018 development started. We had been looking into
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several technologies and frameworks and finally decided to use
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:term:`Rust` as implementation language to provide high speed and
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memory efficiency. The 2018-edition of Rust seemed to be promising and
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useful for our requirements.
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In July 2020 we released the first beta version of Proxmox Backup
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Server, followed by a first stable version in November 2020. With the
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support of incremental, fully deduplicated backups, Proxmox Backup
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significantly reduces the network load and saves valuable storage
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space.
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