First zero out the target MBR (!!!) Destroying all the data on the target.
[color="RoyalBlue"][server] =>dd if=/dev/zero of=/dev/ada1 count=2[/color]
count=2 #Copy only n=2 input blocks
--> 2+0 records in
2+0 records out
1024 bytes transferred in 0.000563 secs (1819131 bytes/sec)
(1)Create a GPT partition scheme on /dev/ada1
[color="royalblue"][server] =>gpart create -s gpt /dev/ada1[/color]
'create' #a new partitioning scheme on a provider given by provider.
-s #The -s scheme option determines the scheme to use.
#The kernel needs to have support for that particular scheme
-n entries #The number of entries - By default, partition tables are created
#with the minimum number of entries.
-f flags #Additional operational flags
-->ada1 created
(2)Create a boot partition to hold the loader, size of 512K.
Give it a GPT label of "gpboot", which will show up in /dev/gpt when the device is discovered:
[color="royalblue"][server] =>gpart add -t freebsd-boot -l gptboot -s 512K /dev/ada1[/color]
add #Add a new partition to the partitioning scheme given by 'geom'
-s #It's size - SI unit suffixes are allowed
-t #the type of the partition
-l #The label attached to the partition (when partion scheme support that)
-->ada1p1 added
(2b)Install the GPT bootcode into the boot partition:
[color="royalblue"][server] =>gpart bootcode -b /boot/pmbr -p /boot/gptboot -i 1 /dev/ada1[/color]
-b #specifies a file of the the bootcode
-p partcode #specifies a file that contains the bootstrap code intended to be written
to a partition
-i index #The partition is specified by the -i 'index' option.
-->bootcode written to ada1
(3) Create partition for /. - the first - It should start at the 1M boundary for proper sector
alignment on 4K sector drives. This is compatible with GPT drive layout for many other systems.
Because fo my second disk I decide to create a swap area as first partiton after boot partition.
[color="royalblue"][server] =>gpart add -t freebsd-swap -l gptswap -b 1M -s 512MB /dev/ada1[/color]
-->ada1p2 added
(4) Create partitions for swap, /var, /tmp, /usr. etc...
Leaving the -s size option off the last uses the rest of the disk.
As long as these are even sizes in M or G, the alignment will remain correct.
[color="royalblue"][server] =>gpart add -t freebsd-ufs -l gpthomefs /dev/ada1[/color]
-->ada1p3 added
[color="royalblue"][server] =>gpart show -l /dev/ada1[/color]
=> 34 156301421 ada1 GPT (74G)
34 1024 1 gptboot (512k)
1058 990 - free - (495k)
2048 1048576 2 gptswap (512M)
1050624 155250831 3 gpthomefs (74G)
==>OK
also you can try
[color="Blue"][server] =>gpart list[/color]
(5) Format the new filesystems, enabling soft updates for performance.
Filesystem labels can be added here, but probably (wahrscheinlich)
should not be the same as the GPT labels already assigned...
first take a look:
[color="blue"][server] =>ls -l /dev/gpt/[/color]
crw-r----- 1 root operator 0, 116 2 Okt 20:45 gptboot
crw-r----- 1 root operator 0, 126 2 Okt 20:56 gpthomefs
crw-r----- 1 root operator 0, 122 2 Okt 20:53 gptswap
[color="blue"][server] =>ls -la ad*[/color]
89 0 lrwxr-xr-x 1 root wheel - 4B 2 Okt 20:12 ad2 -> ada1
108 0 lrwxr-xr-x 1 root wheel - 6B 2 Okt 20:36 ad2p1 -> ada1p1
115 0 lrwxr-xr-x 1 root wheel - 6B 2 Okt 20:53 ad2p2 -> ada1p2
125 0 lrwxr-xr-x 1 root wheel - 6B 2 Okt 20:56 ad2p3 -> ada1p3
than format:
[color="blue"][server] =>newfs -U /dev/gpt/gpthomefs[/color]
-U #Enable soft updates on the new file system.
-J #Enable journaling on the new file system via gjournal.See gjournal(8)
-j #Enable soft updates journaling on the new file system
/dev/gpt/gpthomefs: 75806.1MB (155250824 sectors) block size 32768, fragment size 4096
using 103 cylinder groups of 740.00MB, 23680 blks, 47360 inodes.
with soft updates
super-block backups (for fsck -b #) at:
192, 1515712, 3031232,...................154583232
(7) Restore data from backup. Labels are used in the mount command here because
they’re easier to identify, but device names like /dev/ada1p3 will work.
[color="blue"][server] =>mount /dev/gpt/gpthomefs /mnt/home[/color]
([color="blue"]cd /mnt/home && gzcat "?????.gz" | restore -ruf -[/color])
(8) [color="blue"]Modify /etc/fstab:[/color]
# what is in the fstab depends on what you have - this is just an example:
# Device Mountpoint FStype Options Dump Pass#
/dev/gpt/gptswap none swap sw 0 0
#/dev/gpt/gptrootfs / ufs rw 1 1
#/dev/gpt/gptmpfs /tmp ufs rw 2 2
#/dev/gpt/gptusrfs /usr ufs rw 2 2
#/dev/gpt/gptvarfs /var ufs rw 2 2
/dev/gpt/gpthomefs /home ufs rw 2 2
(9) Create the Mountpoint /home #that was needed in my case or anytime i the mountpoin form
#/etc/fstab isn't there
[color="blue"][server] =>cd / && mkdir home[/color]
[color="blue"][server] => reboot[/color]
And second there is a new BSD 9.0 partition (slice2) which will be configured to be an home-web-server.