Date: Fri, 12 Feb 2016 10:30:44 -0500 From: "Thomas Laus" <lausts@acm.org> To: freebsd-stable@freebsd.org Subject: Is UEFI required for ZFS? Message-ID: <56BDFAA4.17139.1EEE35@lausts.acm.org>
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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. I changed the BIOS to UEFI and did another installation. The boot process goes in an instant. Thinking that it may be an issue with FreeBSD CURRENT, I installed FreeBSD 10.3 BETA 1 in both legacy and UEFI mode. The results were the same. BIOS Legacy mode with a default ZFS installation takes nearly 7 minutes to get the Beastie menu. An UEFI installation with ZFS is instantanious. A default GPT installation of both CURRENT and FreeBSD 10.3 BETA1, either legacy or UEFI, also gives an instant bootup. How can I dig deeper into my problem? I would like to use ZFS with my Xen Server. Tom -- Public Keys: PGP KeyID = 0x5F22FDC1 GnuPG KeyID = 0x620836CF
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