3. Procedure for Changing the System Environment SettingExpress5800/R320e-E4, R320e-M4 Installation Guide (Linux) 53Chapter 1 Installing Operating System3.4 Expanding the swap AreaExpand the swap area according to the following procedure.3.4.1 Using the swap partitionIf there is a free space in the hard disk drive of the slot 0 of the CPU/IO module 0 and CPU/IO module 1, thepartition for swap can be created, and the swap area can be expanded.1. Create the partition by referring to steps 1 to 12 of Chapter 1 (3.3 Adding Partitions) in this manual.The case where the partition "/dev/md/swap2"is created is described here.2. Execute the following command to create the swap area.# mkswap /dev/md/swap23. Set so that the partition can be mounted automatically at startup.Execute the following command to check the UUID value.# blkid /dev/md/swap2/dev/md/swap2: UUID="xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx" ・・・Open "/etc/fstab" with the editor, and add the following line.UUID=xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx swap swap defaults 0 04. Execute the following command to update "/etc/mdadm.conf".# cp –a /etc/mdadm.conf /etc/mdadm.conf.bak# sed -i -e '/^ARRAY/d' /etc/mdadm.conf# mdadm --detail --scan -v | grep '^ARRAY' >> /etc/mdadm.conf5. Execute the following command to update the initial RAM disk image to be used at the systemstartup.# mv /boot/initramfs-`uname -r`.img /boot/initramfs-`uname -r`.img.bak# dracut /boot/initramfs-`uname -r`.img `uname -r`6. Execute the following command to disable all swaps.# swapoff -a7. Execute the following command to enable all swaps.# swapon -a8. Execute the following command to check swap is enabled.# swapon -s