What if the swap partition is too small?

Go What to do if the swap partition is too small. [Oracle@flynet mail]$ Su-root Password: [Root@flynet ~]# Swapon-s Filename Type Size Used Priority /DEV/SDA2 Partition 409648 0-1 [Root@flynet ~]# Df-h FileSystem Size Used Avail use% mounted on /dev/sda3 268G 49G 205G 20%/ /DEV/SDA1 99M 13M 81M 14%/boot None 2.0G 0 2.0G 0%/dev/shm [Root@flynet ~]# Free-m Total used free shared buffers Cached mem:3946 888 3058 0 32 660 -/+ buffers/cache:195 3751 SWAP:400 0 400 First step: Create a new blank file: [Root@flynet ~]# dd If=/dev/zero of=/var/swapfile bs=1024 count=7979008 7979008+0 Records in 7979008+0 Records out Step Two: Then format the swap format: [Root@flynet ~]# Mkswap/var/swapfile Setting up Swapspace version 1, size = 8170500 KB Step three: Load the swap file: [Root@flynet ~]# Swapon/var/swapfile Fourth Step: Edit/etc/fstab, add the following: [Root@flynet ~]# Vi/etc/fstab # this, edited by Fstab-sync-see ' Mans Fstab-sync ' for details label=//ext3 Defaults 1 1 Label=/boot/boot ext3 Defaults 1 2 None/dev/pts devpts gid=5,mode=620 0 0 NONE/DEV/SHM TMPFS Defaults 0 0 NONE/PROC proc Defaults 0 0 None/sys Sysfs Defaults 0 0 Label=swap-sda2 Swap Defaults 0 0 /var/swapfile None swap SW 0 0 /dev/hda/media/cdrom Auto Pamconsole,fscontext=system_u:object_r:removable_t,exec,noauto,man Aged 0 0 ~ ~ ~ "/etc/fstab" 10L, 803C written To see what happened after the change: [Root@flynet ~]# Swapon-s Filename Type Size Used Priority /DEV/SDA2 Partition 409648 69684-1 /var/swapfile file 7979000 0-2 [Oracle@flynet mail]$ Free-m Total used free shared buffers Cached mem:3946 3906 40 0 11 3610 -/+ buffers/cache:284 3662 swap:8192 67 8124 [Oracle@flynet mail]$ Df-h FileSystem Size Used Avail use% mounted on /dev/sda3 268G 57G 198G 23%/ /DEV/SDA1 99M 13M 81M 14%/boot None 2.0G 0 2.0G 0%/dev/shm