raid 0

[Net Llama!]

On Mon, 11 Sep 2006, Vu Pham wrote:
> On Mon, 2006-09-11 at 12:01 -0500, Net Llama! wrote:
>> On Mon, 11 Sep 2006, Vu Pham wrote:
>>> Can I assume that raid 0 with 4 hard drives is faster than with 3 hard
>>> drives, and raid 0 with 3 hard drives  is faster than with only 2 ?
>>
>> Generally speaking that should be true, however it also depends on the
>> RAID HW or SW that you're using.
>>
> Thanks, Lonni.
>
> In fact, I am upgrading my workstation hardware and doing a fresh Suse
> installation so I try to get all the necessary hardware in order not to
> have to reinstall.
>
> The software I am using have a lot of disk activities so my priority is
> to improve disk access. ( Memory monitor shows very little swap space is
> used so I assume memory is enough ).
>
> The controller is Adaptec 2200S with two scsi drives Fujitsu MAX3036NP .
> I think of adding one or two more hard drives to gain more disk
> performance.

Adaptec controllers are pretty good (or were about 18 months ago when I 
last used them) so you should see improved performance by adding more 
disks.  Of course it also depends on the filesystem you're using, and your 
software.

-- 
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Lonni J Friedman                        netllama at linux-sxs.org
LlamaLand				http://netllama.linux-sxs.org