SAS vs SSD with vdbench

Server	SAS vs SSD
	HP DL360 G6 8x146GB SAS 15k RAID 10	HP DL360 G6 8x146GB SAS 15k RAID 50	DELL M600 2x146GB SAS 15K RAID1	Sun X4450 4x32GB SSD	Sun X4140/X4440 4x32GB SSD	Sun T5240 4x32GB SSD
Random Read (4K)	2.1K IOPS	1.9K IOPS	0.6K IOPS	98.4K IOPS	33.8K IOPS	71.5K IOPS
Random Write (4K)	1.9K IOPS	1.1K IOPS	0.25K IOPS	31.8K IOPS	16.6K IOPS	14.4K IOPS
50-50 Read/Write (4K)	2.0K IOPS	1.4K IOPS	0.3K IOPS	14.9K IOPS	13.3K IOPS	15.7K IOPS
Sequential Read (MB/sec)	383 MB/sec	245 MB/sec	71 MB/sec	764 MB/sec	463 MB/sec	1012 MB/sec
Sequential Write (MB/sec)	219 MB/sec	597 MB/sec	70 MB/sec	376 MB/sec	470 MB/sec	531 MB/sec

SSD results get from here
Test file was:

sd=sd1,lun=/dev/cciss/c0d0p5,openflags=o_direct
*wd=wd1,sd=sd1,xfersize=4096,rdpct=100
*rd=run1,wd=wd1,iorate=100,elapsed=10,interval=1

wd=wm_80dr,sd=sd*,readpct=0,rhpct=0,seekpct=100
wd=ws_80dr,sd=sd*,readpct=0,rhpct=0,seekpct=0
wd=rm_80dr,sd=(sd1-sd80),readpct=100,rhpct=0,seekpct=100
wd=rs_80dr,sd=(sd1-sd80),readpct=100,rhpct=0,seekpct=0
wd=rwm_80dr,sd=sd*,readpct=50,rhpct=0,seekpct=100
rd=default
###Random Read and writes tests varying transfer size
rd=default,el=30m,in=6,forx=(4K),forth=(32),io=max,pause=20
rd=run1_rm_80dr,wd=rm_80dr
rd=run2_wm_80dr,wd=wm_80dr
rd=run3_rwm_80dr,wd=rwm_80dr
###Sequential read and Write tests varying transfer size
rd=default,el=30m,in=6,forx=(512k),forth=(32),io=max,pause=20
rd=run4_rs_80dr,wd=rs_80dr
rd=run5_ws_80dr,wd=ws_80dr