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Yes, that is what this server is complaining about.

# swap -s
total: 12165728k bytes allocated + 7414976k reserved = 19580704k used, 697584k available

Looks like it's all Oralce

# prstat -s size
PID USERNAME SIZE RSS STATE PRI NICE TIME CPU PROCESS/NLWP
8429 oracle 18G 11G sleep 59 0 0:21:42 0.0% oracle/1
647...

Ah, no wonder I felt lost.

# ./swapinfo.d
RAM _______Total 32760 MB
RAM Unusable 108 MB
RAM Kernel 17454 MB
RAM Locked 10426 MB
RAM Used 17592186034039 MB
RAM ...

This customer is running Solaris 5.10.

$ su -
Password:
Sun Microsystems Inc. SunOS 5.10 Generic January 2005
#

NPROC USERNAME SIZE RSS MEMORY TIME CPU
92 oracle 1514G 919G 100% 119:39:11 6.7%
41 root 201M 112M 0.0% 5:44:39 0.0%
1 smmsp 7744K 2656K 0.0% 0:00:23...

Oracle Enterprise Manager grid alerts.

# echo ::memstat | mdb -k
Page Summary Pages MB %Tot
------------ ---------------- ---------------- ----
Kernel 635150 4962 ...

I have a customers that is getting grid alerts that swap is over 95% utilized. When I do swap -l on the machine I get the following results.

$ swap -l
swapfile dev swaplo blocks ...