Nov 07 2008

Swap File

Published by at 8:31 pm under Linux,Solaris




Need more swap but not more disk space to create a partition? Add a temporary swap file.

 

Solaris

[root@solaris]# mkfile 1024m /export/tmpswap
[root@solaris]# swap -a /export/tmpswap

[root@solaris]# swap -l

swapfile  dev  swaplo   blocks  free
/dev/dsk/c1t0d0s1   55,65   8  4160824   4160824 
/export/tmpswap  –  8  2097144  2097144

 

Linux

[root@linux]# dd if=/dev/zero of=tmpswap bs=1024 count=10240
[root@linux]# 10240+0 records in
10240+0 records out
10485760 bytes (10 MB) copied, 0.528435 seconds, 19.8 MB/s
[root@linux]# mkswap tmpswap
Setting up swapspace version 1, size = 10481 kB
[root@linux]# swapon tmpswap

[root@linux]# swapon -s

Filename  Type  Size  Used   Priority
/dev/hda2  partition   409648   0  -1
/tmp/tmpswap   file  10232  0  -2

No responses yet

Comments RSS

Leave a Reply