Server From Old PC, SATA vs SAS?

[SmallBarky]

Linking basic info. Please use the ZFS terms. What is the use case for this system? How many drives are you planning? What kind of VDEV layouts? Mirrors, Raid-Z(1,2,3)? SSDs?

BASICS

ZFS Primer

iX Systems pool layout whitepaper
https://www.truenas.com/solution-guides/#TrueNAS-PDF-zfs-storage-pool-layout/11/
Special VDEV (sVDEV) Planning, Sizing, and Considerations

Special VDEV (sVDEV) Planning, Sizing, and Considerations

This resource was originally sourced from a Suggestion thread here: https://forums.truenas.com/t/suggestion-better-svdev-planning-oversight-tools-in-gui/394/ Why consider a sVDEV? A sVDEV has the potential to significantly speed up the operations of a spinning hard-drive (HDD) pool. One of it’s functions is to hold metadata (ZFS produces a lot of it). The other function is to make small blocks available for file storage. These small blocks are supposed to store data that is smaller than a cut…

SMR vs CMR ServeTheHome

WD Red SMR vs CMR Tested Avoid Red SMR

What’s all the noise about HBA’s, and why can’t I use a RAID controller?

What's all the noise about HBA's, and why can't I use a RAID controller?