Is UEFI required for ZFS?

[Kurt Jaeger]

Hi!

> I have a new Asus H170-Plus-D3 motherboard that will be used for a DOM0 Xen 
> Server.  It uses an Intel i5-6300 processor and a Samsung 840 EVO SSD.  I 
> would like to use ZFS on this new installation.  The Xen Kernel does not have 
> UEFI support at this time, so I installed FreeBSD CURRENT r295345 in 'legacy 
> mode'. It takes about 7 minutes to go from the first '|' character to 
> getting the 'beastie' menu.

This is strange. To answer the question in the subject, no, UEFI is
not required for ZFS.

> How can I dig deeper into my problem?  I would like to use ZFS with my Xen 
> Server.

Can you put a dmesg.boot from the server ? An pciconf -lvb ?

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pi at opsec.eu            +49 171 3101372                         4 years to go !