Slow Write Performance on 3ware controller

[Richard Collyer]

Completely ignore me. Write caching wasnt turned on.

Cheers
Richard

Richard Collyer wrote:
> Hello,
> 
> I recently installed a 3ware 9500S-12 along with 3 x 250GB Seagate 
> 7200.10 Drives.
> 
> I am getting very poor read/write performance on this array that I have 
> set up (RAID5 - 64K stripe)
> 
> Reading to the 2 mirrored drives that I have on a 3ware 7006-2 I can get 
>  8MB/sec over samba which is what I expect. From the new array I am 
> getting 4MB/sec. To rule out samba I did a file copy from one array to 
> the other an averaged 3.8MB/sec which I assume is being limited by the 
> new array.
> 
> Any ideas where I can check to see if there are problems and what are 
> the first steps / common things that people miss when adding drives.
> 
> In short I...
> 
> a) installed the drive
> b) disk partitioned using /stand/sysinstall
> c) labelled using the same
> d) edited /etc/drivetabthingy to mount the drive
> 
> Anyone else have any other suggestions on what I can check?
> 
> Cheers
> Richard
> _______________________________________________
> freebsd-questions at freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-questions
> To unsubscribe, send any mail to 
> "freebsd-questions-unsubscribe at freebsd.org"
> 
> 
> __________ NOD32 1.1674 (20060722) Information __________
> 
> This message was checked by NOD32 antivirus system.
> http://www.eset.com
> 
> 
>