Introduction to ZFS Rev 1d)

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Author Ericloewe
Creation date Mar 27, 2019
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Overview Updates (3) Reviews (4) History Discussion

glauco
5.00 star(s)
May 4, 2019
Version: Rev 1d)

Wow, so much knowledge condensed in a quick few-pages paper... I recommend it to everyone.

Mr. Slumber
5.00 star(s)
Apr 7, 2019
Version: Rev 1d)

A must read before building your FreeNAS server! Thanks!

Basil Hendroff
5.00 star(s)
Mar 28, 2019
Version: Rev 1b)

Might be worth arranging for this to be referenced as a useful resource in a future release of the FreeNAS User Guide possibly in the ZFS Primer section https://www.ixsystems.com/documentation/freenas/11.2/zfsprimer.html

Ericloewe

I'll submit a ticket for the docs team to consider that, but first I want to get about a week of feedback and changes.

kdragon75
4.00 star(s)
Mar 27, 2019
Version: Rev 1a)

Great into material. Can we have one the cover some of the more interesting knobs and buttons? Perhaps covering how to calculate ARC RAM usage due to L2ARC?

Ericloewe

I'm looking to keep this simple, so that limits the "interesting" bit. The ZFS book states that the rule of thumb is 25 MB of ARC for each 1 GB of L2ARC. It might be lower with large blocks, but stuff that uses large blocks tends to stream well from disk anyway, so it's not incredibly relevant.