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Re: Dedicated server doesn't boot, can't seem to figure out why



Op Tue, 07 Jul 2015 01:17:04 +0200, schreef Pascal Hambourg:

>> I have installed grub,
> 
> In a chroot ?
> Did you properly install the GRUB bootloader on both disks ?
> 
> grub-install /dev/sda grub-install /dev/sdb

The installation is with debootstrap from the rescue prompt.
Then I chroot into the installation, adjust my settings and install grub2.
It asks to what devices I want to install, and I always choose /dev/sda 
and /dev/sdb


> Did you run update-grub in a chroot to create a grub configuration file
> in /boot/grub and did you check it ?

Yes. After the installation of grub which does already do all that,
I have done update-grub, grub-install, and checked the /boot/grub/grub.cfg 
file. I've checked the disk/raid UUID's, compared them and it's all ok.
I made sure the correct UUID is placed in my /etc/fstab also to load boot.
Same method of install works offline in Virtualbox.
 
> Note that GPT is only required on disks larger that 2 TiB. But it's so
> cool even on smaller disks. However, some BIOSes are broken and may not
> boot a standard GPT disk, see
> <http://www.rodsbooks.com/gdisk/bios.html#bios>

Thanks for the info. The disks are 2 TB. I've tried an installation with 
the OVH installer, and it chose GPT for the disks too, and it booted.
GPT should be ok.


>> only a small EF02 Bios boot partition as I read you need one for some
>> Grub files when using GPT layout.
> 
> Small ? 24 MiB is just huge for this partition. Even 1 MiB is big.

Yeah but one gets a bit paranoia after trying install after install and 
seeing how this install works locally but not on a dedicated server :)


Thanks for the info,

Regards,
Bene


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