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## "History"
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AEI/Hannover has been operating basic (NAS)[https://en.wikipedia.org/wiki/Network-attached_storage)] servers for many years, but recently explored different usage scenarios. The initial idea is to define a simple but capable hardware which ought to be able to cover a large variety of usage scenarios with decent performance and low costs. It should be noted that even though this idea can be expanded in various metric directions to cover more usage scenarios possibly sacrificing some base principles, this kind of storage system should '''not''' be expected to be a jack-of-all-trades ("eierlegende Wollmilchsau")!
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AEI/Hannover has been operating basic [NAS](https://en.wikipedia.org/wiki/Network-attached_storage) servers for many years, but recently explored different usage scenarios. The initial idea is to define a simple but capable hardware which ought to be able to cover a large variety of usage scenarios with decent performance and low costs. It should be noted that even though this idea can be expanded in various metric directions to cover more usage scenarios possibly sacrificing some base principles, this kind of storage system should '''not''' be expected to be a jack-of-all-trades ("eierlegende Wollmilchsau")!
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In mid 2019, we looked for a decent hardware base at a cost point of just below €10,000 net which would allow to procure three of these without going through a full tender. At that time, we did not find any systems matching the proposed one closely enough from our frame contracts as either some hardware combination was not available or the price per system was much higher.
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# Operating systems
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All our internal testing was performed with (Debian GNU/Linux Buster)[https://www.debian.org/] Buster, ZFS on Linux (from Debian's backport repository) and (scst)[http://scst.sourceforge.net/] as an iSCSI implementation.
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All our internal testing was performed with [Debian GNU/Linux Buster](https://www.debian.org/) Buster, ZFS on Linux (from Debian's backport repository) and [scst](http://scst.sourceforge.net/) as an iSCSI implementation.
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But we do not see any major obstacles to use and recent version of another Linux distribution (RedHat, SuSE, Ubuntu, ...).
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Untested so far, both (Free)BSD and (FreeNAS)[https://www.freenas.org/] should also viable routes.
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Untested so far, both (Free)BSD and [FreeNAS](https://www.freenas.org/) should also viable routes.
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