RAID Question

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Vic2009

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May 20, 2009
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Hi,

I am thinking of buying MSI G Series GT780DXR-405US Notebook which comes with 2 HDD 500GB in RAID. I am assuming RAID 0 because the specs do not say explicitly whether RAID 0 or 1 or.....

Here are my questions :

1) Can I disable RAID (if yes, how?) and replace one of the 500GB HDD with 250GB SSD ? I do NOT mind sacrificing the performance gain offered by RAID 0 by doing so. I feel, I will gain some by replacing one of the HDD with SSD.

2) After I do step 1) can I boot it off 250 SSD and how can it be done assuming I am NOT getting any recovery disk with the laptop?

3)Are these 2 steps too complicated ? If yes, shall I look for another laptop with 2 hard disks in NON RAID formation?

Thanks a LOT.
 

leroys1000

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Aug 15, 2007
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To save a headache,you might check into different configurations
of that laptop.
The specs show that the do already sell one with a 500GB drive
and a 250GB SSD in non raid mode.
It can be done the way you ask,but takes a bit of configuration.
Usually,laptops have a utlity to create restore disks.
That is probably the first thing you want to do anyway.
I didn't see a download for a manual on that laptop.
You might contact MSI from thier site and see if they could
send you one.
Probably one included if you buy it.
The SSD will probably give you better performance when
used as the operating system drive in ahci mode,so no
real sacrifice there.
 

Vic2009

Thread Starter
Joined
May 20, 2009
Messages
62
"It can be done the way you ask,but takes a bit of configuration." - Do you mind explaining "Hpw to do" or provide me a link if this was explained before.? I know, RAID can be disabled by accessing system BIOS prior to start-up and then using some hot-keys BUT I am looking for PRECISE DIRECTIONS. Disabling RAID also involves loss of data. Hence, I am looking for precise directions.

Thanks a LOT for your REPLY.
 

leroys1000

Banned
Joined
Aug 15, 2007
Messages
6,319
You would need to make the restore disks with the incuded utility.
Go into the bios setup and change the controller from raid to ahci.
AHCI will give better performance with the SSD.
Swap the primary drive with the SSD.
Boot to the restore disk and restore windows to the SSD.
Repartition and format the secondary drive to make it usable.

One problem that you may run into is if AHCI is not activated in windows.
You would need to set the drive controller to IDE or SATA mode before
running the restore disks.
Then do the AHCI registry change and go back and change the bios back
to ahci.
Scroll down this page on how to do that manually......
http://support.microsoft.com/kb/922976

The reason I suggested you check out other configurations of that laptop
is that if this fails,your raid is broken and you probably wont get it running
from the original setup again.
You would need to order restore disks to reinstall the system,
or use retail disks.
Restore disk sets are usually cheaper.
 
Joined
Aug 1, 2003
Messages
51,988
Generally, you can choose to have RAID or not in BIOS settings. It may, in fact, be turned off by default when you get the machne and just be "RAID-capable". In the case where RAID is disabled, you'd just need to do a simple drive exchange (and clone, if you want the old system on the new drive). You'll need to see exactly what you have to work with when you get it, but there is almost certainly a degree of flexibility.
 
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