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Operating Systems BSD Bootable usb-stick, need help, sos Post 302992447 by 1in10 on Friday 24th of February 2017 11:15:43 PM
Old 02-25-2017
SOLVED at least it works for me.

I may should say this topic can be set as solved under the condition that it works for me.
It is about a usb-stick with an iso-image on it, Made on a linux machine putting a linux-distro on in, bootable device, to test the distro. I did not like it, disarded it, went back to gparted, formatting it as msdos fat32. This worked well, linux tells me, full space available.
The point is, this device goes from a linux to a BSD and rarely to a Windows machine. That is why I needed the msdos fat32 format. While linux says that everything is okay, BSD mumbles correctly, that there still is a boot partition on the drive.

Once again it works for me this way, not claiming the solution for encrypted partitions or slicing and dicing. So this is a particular solution, but probably helpful for others, who are not using encrypted slices or something just made for ufs. Although there is a slice1.

Code:
# clean the whole partition
gpart destroy -F da0

# set a mbr on the same
gpart create -s mbr da0

# fill the partition
gpart add -t \!12 da0

# format ins msdos style (fat32)
newfs_msdos -F32 /dev/da0s1

Resuming, some things take time. Damn thing.

This would or could work for make it bootable for ufs or BSD, I did not try yet

Code:
# clean it all
gpart destroy -F da0

# set a blank BSD partition 
gpart create -s bsd da0

# set the whole partition for usage of FFS(2)
gpart add -t freebsd-ufs da0

# format it (ffs(2))
newfs -U /dev/da0p1

This is an approach for flash drives

Code:
# Think twice about the name of your device
# clearing the MBR
dd if=/dev/zero of=/dev/da0 bs=2m count=0

# formatting it
newfs /dev/da0

# test test test
mount -t ufs /dev/da0 /mnt

# note da0 may, or may NOT be the correct device - check messages

 

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GROWFS(8)						    BSD System Manager's Manual 						 GROWFS(8)

NAME
growfs -- expand an existing UFS file system SYNOPSIS
growfs [-Ny] [-s size] special | filesystem DESCRIPTION
The growfs utility makes it possible to expand an UFS file system. Before running growfs the partition or slice containing the file system must be extended using gpart(8). If you are using volumes you must enlarge them by using gvinum(8). The growfs utility extends the size of the file system on the specified special file. The following options are available: -N ``Test mode''. Causes the new file system parameters to be printed out without actually enlarging the file system. -y ``Expert mode''. Usually growfs will ask you if you took a backup of your data before and will do some tests whether special is cur- rently mounted or whether there are any active snapshots on the file system specified. This will be suppressed. So use this option with great care! -s size Determines the size of the file system after enlarging in sectors. Size is the number of 512 byte sectors unless suffixed with a b, k, m, g, or t which denotes byte, kilobyte, megabyte, gigabyte and terabyte respectively. This value defaults to the size of the raw partition specified in special (in other words, growfs will enlarge the file system to the size of the entire partition). EXAMPLES
Expand root file system to fill up available space: growfs / Resize /dev/ada0p1 partition to 2GB and expand the file system: gpart resize -i 1 -s 2G ada0 growfs -s 2G /dev/ada0p1 SEE ALSO
dumpfs(8), ffsinfo(8), fsck(8), fsdb(8), gpart(8), newfs(8), tunefs(8) HISTORY
The growfs utility first appeared in FreeBSD 4.4. The ability to resize mounted file systems was added in FreeBSD 10.0. AUTHORS
Christoph Herrmann <chm@FreeBSD.org> Thomas-Henning von Kamptz <tomsoft@FreeBSD.org> The GROWFS team <growfs@Tomsoft.COM> Edward Tomasz Napierala <trasz@FreeBSD.org> CAVEATS
When expanding a file system mounted read-write, any writes to that file system will be temporarily suspended until the expansion is fin- ished. BUGS
Normally growfs writes cylinder group summary to disk and reads it again later for doing more updates. This read operation will provide unexpected data when using -N. Therefore, this part cannot really be simulated and will be skipped in test mode. BSD
November 20, 2014 BSD
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