IO Delays

make sure the 3-ware card has a battery backup unit,
then set storesave to performance .

do you have 3dm2 installed? if not I'll post how to.
 
make sure the 3-ware card has a battery backup unit,
then set storesave to performance .

do you have 3dm2 installed? if not I'll post how to.

installed 3dm2... not sure what i'm looking for.

NO ALARMS FOUND
(0x0C:0x0018): Battery Backup is not supported on this controller model
Task Rate: 4/5
Unit Write Cache (Controller ID 6): ENABLED
 
### 3DM Version: 2.11.00.007
### Time Stamp: 19:55.21 17-Jun-2010
### Host Name: s1
### OS Version: Linux 2.6.18-2-pve
### Driver Version: 1.26.03.000-2.6.18RH
### Controller ID: 6
### Model: 8006-2LP
### Firmware: FE8S 1.05.00.068
### BIOS: BE7X 1.08.00.048
### Serial #: L018501C8340462
### Memory: 512 kB
 
in 3dm2, click management, controller settings. at the Unit Policies section check the StorSave column..


The 3ware models we use have bbu . and I have no expertise using the model you have...

for more info, check the online 3ware help - [it usually installs with 3dm2 ] or is on a cd shipped with the card.

also check for a firmware upgrade.