Wed Sep 17 14:58:59 EDT 2008

- Linux domU-12-31-39-00-AA-12 2.6.21.7-2.fc8xen #1 SMP Fri Feb 15 12:39:36 EST 2008 i686 athlon i386 GNU/Linux
- m1.small


-----./----------------------------------------------------------
RUN 1 : time dd if=/dev/zero of=.//test1-10240000 count=1 bs=10240000
1+0 records in
1+0 records out
10240000 bytes (10 MB) copied, 0.023349 s, 439 MB/s

real	0m0.025s
user	0m0.000s
sys	0m0.020s
RUN 2 : time dd if=/dev/zero of=.//test1-10240000 count=1 bs=10240000
1+0 records in
1+0 records out
10240000 bytes (10 MB) copied, 0.023335 s, 439 MB/s

real	0m0.025s
user	0m0.000s
sys	0m0.020s
RUN 3 : time dd if=/dev/zero of=.//test1-10240000 count=1 bs=10240000
1+0 records in
1+0 records out
10240000 bytes (10 MB) copied, 0.023341 s, 439 MB/s

real	0m0.025s
user	0m0.000s
sys	0m0.020s
RUN 1 : time dd if=/dev/zero of=.//test1-102400000 count=1 bs=102400000
1+0 records in
1+0 records out
102400000 bytes (102 MB) copied, 0.660661 s, 155 MB/s

real	0m0.664s
user	0m0.000s
sys	0m0.252s
RUN 2 : time dd if=/dev/zero of=.//test1-102400000 count=1 bs=102400000
1+0 records in
1+0 records out
102400000 bytes (102 MB) copied, 0.750016 s, 137 MB/s

real	0m0.754s
user	0m0.000s
sys	0m0.252s
RUN 3 : time dd if=/dev/zero of=.//test1-102400000 count=1 bs=102400000
1+0 records in
1+0 records out
102400000 bytes (102 MB) copied, 0.655029 s, 156 MB/s

real	0m0.659s
user	0m0.000s
sys	0m0.260s
RUN 1 : time dd if=/dev/zero of=.//test1-1024000000 count=1 bs=1024000000
1+0 records in
1+0 records out
1024000000 bytes (1.0 GB) copied, 8.10743 s, 126 MB/s

real	0m8.247s
user	0m0.000s
sys	0m2.356s
RUN 2 : time dd if=/dev/zero of=.//test1-1024000000 count=1 bs=1024000000
1+0 records in
1+0 records out
1024000000 bytes (1.0 GB) copied, 16.9521 s, 60.4 MB/s

real	0m16.973s
user	0m0.000s
sys	0m2.376s
RUN 3 : time dd if=/dev/zero of=.//test1-1024000000 count=1 bs=1024000000
1+0 records in
1+0 records out
1024000000 bytes (1.0 GB) copied, 17.1382 s, 59.7 MB/s

real	0m17.161s
user	0m0.000s
sys	0m2.308s


-----/data----------------------------------------------------------
RUN 1 : time dd if=/dev/zero of=/data/test1-10240000 count=1 bs=10240000
1+0 records in
1+0 records out
10240000 bytes (10 MB) copied, 0.07266 s, 141 MB/s

real	0m0.075s
user	0m0.000s
sys	0m0.028s
RUN 2 : time dd if=/dev/zero of=/data/test1-10240000 count=1 bs=10240000
1+0 records in
1+0 records out
10240000 bytes (10 MB) copied, 0.056322 s, 182 MB/s

real	0m0.058s
user	0m0.000s
sys	0m0.032s
RUN 3 : time dd if=/dev/zero of=/data/test1-10240000 count=1 bs=10240000
1+0 records in
1+0 records out
10240000 bytes (10 MB) copied, 0.053884 s, 190 MB/s

real	0m0.056s
user	0m0.000s
sys	0m0.028s
RUN 1 : time dd if=/dev/zero of=/data/test1-102400000 count=1 bs=102400000
1+0 records in
1+0 records out
102400000 bytes (102 MB) copied, 0.666469 s, 154 MB/s

real	0m0.670s
user	0m0.000s
sys	0m0.276s
RUN 2 : time dd if=/dev/zero of=/data/test1-102400000 count=1 bs=102400000
1+0 records in
1+0 records out
102400000 bytes (102 MB) copied, 0.636225 s, 161 MB/s

real	0m1.723s
user	0m0.000s
sys	0m0.248s
RUN 3 : time dd if=/dev/zero of=/data/test1-102400000 count=1 bs=102400000
1+0 records in
1+0 records out
102400000 bytes (102 MB) copied, 0.541427 s, 189 MB/s

real	0m0.547s
user	0m0.000s
sys	0m0.268s
RUN 1 : time dd if=/dev/zero of=/data/test1-1024000000 count=1 bs=1024000000
1+0 records in
1+0 records out
1024000000 bytes (1.0 GB) copied, 15.1378 s, 67.6 MB/s

real	0m15.204s
user	0m0.000s
sys	0m2.196s
RUN 2 : time dd if=/dev/zero of=/data/test1-1024000000 count=1 bs=1024000000
1+0 records in
1+0 records out
1024000000 bytes (1.0 GB) copied, 14.2031 s, 72.1 MB/s

real	0m14.225s
user	0m0.000s
sys	0m2.024s
RUN 3 : time dd if=/dev/zero of=/data/test1-1024000000 count=1 bs=1024000000
1+0 records in
1+0 records out
1024000000 bytes (1.0 GB) copied, 15.1333 s, 67.7 MB/s

real	0m15.043s
user	0m0.000s
sys	0m1.944s


-----/mnt----------------------------------------------------------
RUN 1 : time dd if=/dev/zero of=/mnt/test1-10240000 count=1 bs=10240000
1+0 records in
1+0 records out
10240000 bytes (10 MB) copied, 0.084103 s, 122 MB/s

real	0m0.086s
user	0m0.000s
sys	0m0.020s
RUN 2 : time dd if=/dev/zero of=/mnt/test1-10240000 count=1 bs=10240000
1+0 records in
1+0 records out
10240000 bytes (10 MB) copied, 0.024109 s, 425 MB/s

real	0m0.026s
user	0m0.000s
sys	0m0.020s
RUN 3 : time dd if=/dev/zero of=/mnt/test1-10240000 count=1 bs=10240000
1+0 records in
1+0 records out
10240000 bytes (10 MB) copied, 0.08414 s, 122 MB/s

real	0m0.086s
user	0m0.000s
sys	0m0.020s
RUN 1 : time dd if=/dev/zero of=/mnt/test1-102400000 count=1 bs=102400000
1+0 records in
1+0 records out
102400000 bytes (102 MB) copied, 0.655264 s, 156 MB/s

real	0m0.659s
user	0m0.000s
sys	0m0.248s
RUN 2 : time dd if=/dev/zero of=/mnt/test1-102400000 count=1 bs=102400000
1+0 records in
1+0 records out
102400000 bytes (102 MB) copied, 0.556087 s, 184 MB/s

real	0m0.561s
user	0m0.000s
sys	0m0.256s
RUN 3 : time dd if=/dev/zero of=/mnt/test1-102400000 count=1 bs=102400000
1+0 records in
1+0 records out
102400000 bytes (102 MB) copied, 0.568464 s, 180 MB/s

real	0m0.572s
user	0m0.000s
sys	0m0.264s
RUN 1 : time dd if=/dev/zero of=/mnt/test1-1024000000 count=1 bs=1024000000
1+0 records in
1+0 records out
1024000000 bytes (1.0 GB) copied, 17.2751 s, 59.3 MB/s

real	0m17.296s
user	0m0.000s
sys	0m1.876s
RUN 2 : time dd if=/dev/zero of=/mnt/test1-1024000000 count=1 bs=1024000000
1+0 records in
1+0 records out
1024000000 bytes (1.0 GB) copied, 15.0248 s, 68.2 MB/s

real	0m15.050s
user	0m0.000s
sys	0m1.900s
RUN 3 : time dd if=/dev/zero of=/mnt/test1-1024000000 count=1 bs=1024000000
1+0 records in
1+0 records out
1024000000 bytes (1.0 GB) copied, 30.5587 s, 33.5 MB/s

real	0m30.580s
user	0m0.000s
sys	0m1.852s


-----/tmp----------------------------------------------------------
RUN 1 : time dd if=/dev/zero of=/tmp/test1-10240000 count=1 bs=10240000
1+0 records in
1+0 records out
10240000 bytes (10 MB) copied, 0.024094 s, 425 MB/s

real	0m0.026s
user	0m0.000s
sys	0m0.028s
RUN 2 : time dd if=/dev/zero of=/tmp/test1-10240000 count=1 bs=10240000
1+0 records in
1+0 records out
10240000 bytes (10 MB) copied, 0.114255 s, 89.6 MB/s

real	0m0.116s
user	0m0.000s
sys	0m0.032s
RUN 3 : time dd if=/dev/zero of=/tmp/test1-10240000 count=1 bs=10240000
1+0 records in
1+0 records out
10240000 bytes (10 MB) copied, 0.024157 s, 424 MB/s

real	0m0.026s
user	0m0.000s
sys	0m0.028s
RUN 1 : time dd if=/dev/zero of=/tmp/test1-102400000 count=1 bs=102400000
1+0 records in
1+0 records out
102400000 bytes (102 MB) copied, 0.817811 s, 125 MB/s

real	0m0.821s
user	0m0.000s
sys	0m0.248s
RUN 2 : time dd if=/dev/zero of=/tmp/test1-102400000 count=1 bs=102400000
1+0 records in
1+0 records out
102400000 bytes (102 MB) copied, 0.683909 s, 150 MB/s

real	0m0.688s
user	0m0.000s
sys	0m0.244s
RUN 3 : time dd if=/dev/zero of=/tmp/test1-102400000 count=1 bs=102400000
1+0 records in
1+0 records out
102400000 bytes (102 MB) copied, 0.7214 s, 142 MB/s

real	0m0.725s
user	0m0.000s
sys	0m0.244s
RUN 1 : time dd if=/dev/zero of=/tmp/test1-1024000000 count=1 bs=1024000000
1+0 records in
1+0 records out
1024000000 bytes (1.0 GB) copied, 13.2865 s, 77.1 MB/s

real	0m13.307s
user	0m0.000s
sys	0m2.016s
RUN 2 : time dd if=/dev/zero of=/tmp/test1-1024000000 count=1 bs=1024000000
1+0 records in
1+0 records out
1024000000 bytes (1.0 GB) copied, 7.65579 s, 134 MB/s

real	0m7.682s
user	0m0.000s
sys	0m2.156s
RUN 3 : time dd if=/dev/zero of=/tmp/test1-1024000000 count=1 bs=1024000000
1+0 records in
1+0 records out
1024000000 bytes (1.0 GB) copied, 27.4314 s, 37.3 MB/s

real	0m27.454s
user	0m0.000s
sys	0m2.020s

Wed Sep 17 15:03:10 EDT 2008