Monday, 12 March 2012

Add extra disk as /home

Install the disk and then use:
fdisk -l
to check the new device name, if the new disk is not detected try installing scsitools:
apt-get install scsitools
then run:
and issue fdisk -l again, supposing your new disk is /dev/sdb use
fdisk /dev/sdb
to create a new partition, press n, then p for a primary partition then enter 1 sinse this will be the only partition on the drive, when it asks you about the first and last cylinders, just use the defaults.
now, to format the newly created partition use:
mkfs.ext4 /dev/sdb1
when done use:
to check the new partition's uuid and using that edit the /etc/fstab file andding:
UUID=d70d801e-5246-46e2-a7ed-1a95819fd326 /home ext4 errors=remount-ro 0 1
Now mount the new partition on a temporary location with:
mount /dev/sdb1/mnt/
and copy the contents of the current home to the new partition:
cp -r /home/*/mnt/
when done delete all contents from the current home
rm -rf /home/*
unmount the new partiotion
umount /mnt
and remount it under /home
mount /dev/sdb1/home/

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