Date: Wed, 19 Apr 2017 10:05:04 +0200 From: Polytropon <freebsd@edvax.de> To: Manish Jain <bourne.identity@hotmail.com> Cc: "freebsd-questions@freebsd.org" <freebsd-questions@freebsd.org> Subject: Re: Efi/mbr freebsd-11.0-RELEASE-p9 unbootable Message-ID: <20170419100504.18f4507c.freebsd@edvax.de> In-Reply-To: <VI1PR02MB1200F27BC5C1196A9E525C65F6180@VI1PR02MB1200.eurprd02.prod.outlook.com> References: <VI1PR02MB1200F27BC5C1196A9E525C65F6180@VI1PR02MB1200.eurprd02.prod.outlook.com>
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On Wed, 19 Apr 2017 07:51:55 +0000, Manish Jain wrote: > I strongly recommend to everyone facing problems [or if you have no wish > to face them in future] : > > 1) Use Legacy BIOS; not UEFI Not every platform allows this, primarily due to being "certified" by MICROS~1. Maybe in the future, UEFI will be the only available system, and it will be locked down to actively prevent booting anything that "doesn't fit"... > 2) Use MBR partitioning; not GPT. This further implies that either use > the whole disk (presuming you have only one), or use UFS only (no ZFS) GPT shouldn't be a problem when you use FreeBSD only. In case you want to multi-boot, using GPT tends to introduce more trouble and work(arounds). Allow me to repeat pointing at the following summary of how to properly initialize disks: http://www.wonkity.com/~wblock/docs/html/disksetup.html You will also find suggestions on how to deal with UEFI booting on that page. > 3) Only install from optical media; not USB stick. Problematic for modern devices with no optical media reader. And sometimes, booting from USB DVD drives also doesn't work as intended. > If you have any problems booting FreeBSD, use the installer to set up a > Fixit/Live Shell session and make sure you put Boot Easy to the MBR : > > boot0cfg -B /dev/ada0 # or whatever device corresponds to your disk Only if you want to boot more than one OS. :-) Sidenote: If you want to only use FreeBSD, you can also use the dedicated disk layout (no GPT or MBR at all). Keep in mind this is the "traditional" way of partitioning a disk, whose concepts were introduced before the PC era. Interoperability with Linux or "Windows" is definitely out of scope here. ;-) > One of the best things in FreeBSD is Boot Easy : it makes life so much > sweeter that once you start using it, you will realize that Grub has no > place in the FreeBSD world - except for any Linux installation later > which should put Grub boot record to its system partition, never the MBR. Yes, this is important to remember. -- Polytropon Magdeburg, Germany Happy FreeBSD user since 4.0 Andra moi ennepe, Mousa, ...
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