5c15fb97b4
This is basically semantic revert of e5c0d80c ("docs: add note for not
using remote storages") that, while well intended, has a few problems,
e.g.:
- This is the minimal/recommended requirements section, which should
list the rough basic specs a setup must/should have. Listing
everything that is not best to do would bloat this list
significantly and it's just the wrong place for it, i.e., it isn't a
recommended against list.
- while it's true that a remote storage will basically always have
_some_ overhead over using the same HW with a (modern) local storage
(file) system, that does **not** mean that the remote storage has
insufficient performance characteristics. We know of lots of fast
Ceph setups, even release benchmarks for them, or storages like
BlockBridge, that provide high performance while being remote.
So avoid this X-Y-problem style argumentation and focus on what is
actually important, even though I naturally get that there are some
users that use slow NFS attached storages, but breaking style here
won't cure them and I'm sure that they are capable of setting up such
a slow local storage that it won't make a real difference compared to
the NFS one.
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
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System Requirements
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-------------------
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We recommend using high quality server hardware when running Proxmox Backup in
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production. To further decrease the impact of a failed host, you can set up
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periodic, efficient, incremental :ref:`datastore synchronization <syncjobs>`
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from other Proxmox Backup Server instances.
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Minimum Server Requirements, for Evaluation
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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These minimum requirements are for evaluation purposes only and should not be
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used in production.
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* CPU: 64bit (*x86-64* or *AMD64*), 2+ Cores
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* Memory (RAM): 2 GB RAM
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* Hard drive: more than 8GB of space.
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* Network card (NIC)
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Recommended Server System Requirements
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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* CPU: Modern AMD or Intel 64-bit based CPU, with at least 4 cores
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* Memory: minimum 4 GiB for the OS, filesystem cache and Proxmox Backup Server
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daemons. Add at least another GiB per TiB storage space.
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* OS storage:
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* 32 GiB, or more, free storage space
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* Use a hardware RAID with battery protected write cache (*BBU*) or a
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redundant ZFS setup (ZFS is not compatible with a hardware RAID
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controller).
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* Backup storage:
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* Prefer fast storage that delivers high IOPS for random IO workloads; use
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only enterprise SSDs for best results.
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* If HDDs are used: Using a metadata cache is highly recommended, for example,
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add a ZFS :ref:`special device mirror <local_zfs_special_device>`.
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* Redundant Multi-GBit/s network interface cards (NICs)
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Supported Web Browsers for Accessing the Web Interface
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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To access the server's web-based user interface, we recommend using one of the
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following browsers:
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* Firefox, a release from the current year, or the latest Extended Support Release
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* Chrome, a release from the current year
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* Microsoft's currently supported version of Edge
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* Safari, a release from the current year
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