Displaying 1 result from an estimated 1 matches for "3600a0b800067df83000003ba4ba0f5ef".
2010 Dec 13
3
Slow I/O on ocfs2 file system
.../dd-1G bs=1k | dd of=/dev/null
1048576+0 records in
1048576+0 records out
1073741824 bytes (1.1 GB) copied, 395.183 s, 2.7 MB/s
2097152+0 records in
2097152+0 records out
1073741824 bytes (1.1 GB) copied, 395.184 s, 2.7 MB/s
The underlying block device is quite quick:
ng-vvv1:~# dd if=/dev/mapper/3600a0b800067df83000003ba4ba0f5ef bs=1k
count=1M | dd of=/dev/null
1048576+0 records in
1048576+0 records out
2097152+0 records in
2097152+0 records out
1073741824 bytes (1.1 GB) copied, 6.32306 s, 170 MB/s
1073741824 bytes (1.1 GB) copied, 6.32293 s, 170 MB/s
Here is the environment:
* Infrastructure: two nodes, each with two po...