RAID Setup WC OFF
| RAID Controller: |
3ware 9650SE |
| RAID Level: |
RAID10 256K |
| Disks: |
4 x Western Digital RE4 2000 GB |
|
| Write Cache Setting: |
Disabled |
| Read Cache Setting: |
Intelligent |
| Drive Queuing Mode: |
Enabled |
| StorSave Profile: |
Balanced |
dd if=/dev/sda of=/dev/null bs=1M count=16000
16777216000 bytes (17 GB) copied, 56.0381 s, 299 MB/s
lvcreate data-fast -n test -L 32g
dd if=/dev/zero of=/dev/data-fast/test bs=1M count=16000
16777216000 bytes (17 GB) copied, 79.4135 s, 211 MB/s
mkfs.ext3 -b 4096 -E stride=64 -E stripe-width=128 /dev/data-fast/test
mount -o noatime /dev/data-fast/test /mnt
bonnie++ -d /mnt -u root -n 0
Version 1.96 ------Sequential Output------ --Sequential Input- --Random-
Concurrency 1 -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks--
Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP
finnix 12G 563 99 153523 26 84247 13 2049 99 292174 21 597.8 13
cat /sys/block/sdb/queue/scheduler
noop anticipatory deadline [cfq]
cat /sys/block/sdb/device/queue_depth
254
cd /tmp; http_proxy=http://proxy.gsd-software.net:8080 wget http://smp.if.uj.edu.pl/~baryluk/seeker_baryluk; chmod +x seeker_baryluk
for threads in 01 02 04 08 16 32; do echo -n "Threads: $threads "; ./seeker_baryluk /dev/sdb $threads | grep Results; sleep 1; done
Threads: 01 Results: 84 seeks/second, 11.895 ms random access time (974994305 < offsets < 3994280682071)
Threads: 02 Results: 166 seeks/second, 6.005 ms random access time (1655876718 < offsets < 3999256645656)
Threads: 04 Results: 259 seeks/second, 3.854 ms random access time (761879086 < offsets < 3998661172497)
Threads: 08 Results: 333 seeks/second, 3.002 ms random access time (312727063 < offsets < 3999696575773)
Threads: 16 Results: 382 seeks/second, 2.613 ms random access time (19132984 < offsets < 3999676178060)
Threads: 32 Results: 412 seeks/second, 2.422 ms random access time (434897278 < offsets < 3999690548287)
RAID Setup WC ON
| RAID Controller: |
3ware 9650SE |
| RAID Level: |
RAID10 256K |
| Disks: |
4 x Western Digital RE4 2000 GB |
|
| Write Cache Setting: |
Enabled |
| Read Cache Setting: |
Intelligent |
| Drive Queuing Mode: |
Enabled |
| StorSave Profile: |
Balanced |
dd if=/dev/sdb of=/dev/null bs=1M count=16000
16777216000 bytes (17 GB) copied, 55.9486 s, 300 MB/s
dd if=/dev/zero of=/dev/data-fast/test bs=1M count=16000
16777216000 bytes (17 GB) copied, 59.1244 s, 284 MB/s
mkfs.ext3 -b 4096 -E stride=64 -E stripe-width=128 /dev/data-fast/test
mount -o noatime /dev/data-fast/test /mnt
bonnie++ -d /mnt -u root -n 0
Version 1.96 ------Sequential Output------ --Sequential Input- --Random-
Concurrency 1 -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks--
Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP
finnix 12G 585 99 181292 32 108096 17 1975 93 275122 19 608.8 14
