The LSI card does not support disks larger than 2 GiB.
- https://groups.google.com/g/mailing.freebsd.questions/c/Zw6L8PM_POY?pli=1
- https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=147572
- https://web.archive.org/web/20110303074426/http://kb.lsi.com/KnowledgebaseArticle16399.aspx
em0 in PCI express slot seems to be getting the GbE link reliably, the on-board igb0 not.
The data set needs to be created with SMB sharing option. It seems that it deals with case sensitivity and other data set options.
https://www.youtube.com/watch?v=mCfX4sqDmzs is a how to for setting up SMB shares on FreeNAS.
https://www.ixsystems.com/blog/users-permissions-acls-on-freenas/ also mentions SMB shares.
For the NAS to be visible under 'Network' for macOS 10.13.6 it is necessary to enable the NetBIOS advertisement in the Sharing.
Time machine shares should have a quota - it eventually governs the number of "snapshots" created by Time machine. Multiple machines using single Time machine data set is bad idea - it would eventually lead to
macOS catalina does not seem to be supporting Time machine over SMB. Thus AFP has to be used.
To set up the Time machine AFP share, create a data set and edit its properties, change its quota and ownership to the user who will be using it.
On macOS catalina it is necessary to add cnid scheme = tdb to the Auxiliary parameters in the AFP share settings.
ref: https://www.ixsystems.com/community/threads/time-machine-over-afp-problem-permission-denied.85359/