swap space

While installation solaris we get 512 MB swap space default.

Virtual Swap Space it is a combination of swap areas i.e partitions and/or files + Free physical Memory

swaps unused pages on memory in and out of the swap areas.

#swap -l // Gives device and/or files information configured for swap

Shows us the total swap blocks and free space.

Does not take physical memory into account.

#swap -s //Lists swap space, including physical memory

Swap File Creation.

#mkfile : Creates 0 filled swap file.

#swap -a : activates the swap file.

#mkfile 1024m /data/swapfile

#swap -a /data/swapfile

To remover swap file

#swap -d /data/swapfile

#rm -rf /data/swapfile

To create a partion for swap

create a slice.

Then execute below to activate particular slice/partition for swap

#swap -a /dev/c0t1d0s2

To add entry in /etc/vfstab

/data/swap - - swap - no - # For swap files

/dev/dsk/c0t1d0s1 - - swap - no - # For partition