不会啊。我的也在07，
只放了个小站。

[root@**** ~]# dd if=/dev/zero of=test bs=64k count=4k oflag=dsync;rm test
4096+0 records in
4096+0 records out
268435456 bytes (268 MB) copied, 7.92594 seconds, 33.9 MB/s

dd if=/dev/zero of=test bs=64k count=4k oflag=dsync;rm test
4096+0 records in
4096+0 records out
268435456 bytes (268 MB) copied, 11.0227 s, 24.4 MB/s


dd if=/dev/zero of=test bs=64k count=4k oflag=dsync;rm test
4096+0 records in
4096+0 records out
268435456 bytes (268 MB) copied, 6.03846 s, 44.5 MB/s

两个都还不错..

node09，挺好
wget http://cachefly.cachefly.net/100mb.test
--2011-11-24 15:31:04--  http://cachefly.cachefly.net/100mb.test
Resolving cachefly.cachefly.net... 205.234.175.175
Connecting to cachefly.cachefly.net|205.234.175.175|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 104857600 (100M) [application/octet-stream]
Saving to: `100mb.test'

100%[==================================================================================================================================>] 104,857,600 25.3M/s   in 3.9s   

2011-11-24 15:31:09 (25.4 MB/s) - `100mb.test' saved [104857600/104857600]


dd if=/dev/zero of=test.bin bs=64k count=2k oflag=dsync && rm -rf test.bin
2048+0 records in
2048+0 records out
134217728 bytes (134 MB) copied, 5.65666 s, 23.7 MB/s

现在又好了。。。

root@ovz:~# dd if=/dev/zero of=test bs=64k count=4k oflag=dsync;rm test
4096+0 records in
4096+0 records out
268435456 bytes (268 MB) copied, 20.6043 s, 13.0 MB/s

NODE24还有人吗，还有吗？

哈哈……没有人，都挂了。

又杯具了，灰常不稳定。。。
root@ovz:~# dd if=/dev/zero of=test bs=64k count=4k oflag=dsync;rm test
4096+0 records in
4096+0 records out
268435456 bytes (268 MB) copied, 112.359 s, 2.4 MB/s