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miltoncsl
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PostPosted: Tue Sep 28, 2021 7:10 pm    Post subject: Mounting the boot partition! Reply with quote

Hello,

I'm new to Gentoo and I'm trying to install it on a Mac Mini PowerPC G4 late 2005! I was following the installation wiki (https://wiki.gentoo.org/wiki/Handbook:PPC) but I encountered some difficulties!
First in section 5 [Creating file systems] when formatting the /dev/sda1 partition I get this message:

"Lived ~# mkfs.vfat -F 32 /dev/sda1

WARNING: Number of clusters is 32 bit FAT is less then suggested minimum.
mkfs.vfat: Too few blocks for viable filesystem"

Then, in the Chrooting section [1.5 - Mounting the boot partition] I get this message:

"mount /dev/sda1 /boot

mount: /boot: wrong fs type, bad option, bad superblock on /dev/sda1, missing codepage or helper program, or other error."

What should I do to resolve these issues and be able to install Gentoo on my Apple?


Last edited by miltoncsl on Tue Sep 28, 2021 7:29 pm; edited 1 time in total
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eccerr0r
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PostPosted: Tue Sep 28, 2021 10:33 pm    Post subject: Reply with quote

You should use fat16 if your partition is small. Seems 32MB is the smallest FAT32 partition possible.
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miltoncsl
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PostPosted: Wed Sep 29, 2021 12:40 am    Post subject: Reply with quote

hello eccerr0r,

How do I do this if mac-fdisk doesn't allow me to delete partition 1 (/dev/sda1) in order to recreate it larger! When I try to do this I get the following message:

"Can't delete entry for the map itself"

It's not clear how I can create, format and mount partition 1 (/dev/sda1) for the yaboot installation!
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cboldt
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PostPosted: Wed Sep 29, 2021 1:09 am    Post subject: Reply with quote

You're changing filesystem type, a "mkfs" species of command.

See `man mkfs.msdos`

Generally this makes the data on the partition "lost," but a mkfs command doesn't touch the partition table

Edit to add, what happens when you do "mkfs.vfat -F 16 ..." rather than "-F 32"

As far as unable to mount, that's a function of the fstab line. You can try to mount manually. "mount -t vfat /dev/sda /boot" - assuming the mount point /boot exists. If the mount point does not exist, create it with "mkdir /boot"
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jburns
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PostPosted: Wed Sep 29, 2021 1:33 am    Post subject: Reply with quote

Do not mount the /boot partition! If you created 4 partitions on the disk you do not have a /boot partition.

When you install yaboot it will write the proper contents to /dev/sda1. /dev/sda1 does not have a filesystem.

When you install yaboot in /dev/sda2 you may need to format the partition with an HFS file system but you do not have to mount the partition and there is no need to write anything to it except for when yaboot is installed.

You do not need a FAT filesystem.

Edit:
When you make the fstab do not make entries for /dev/sda1 and /dev/sda2. If you do the machine may not boot.
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