raid 0. W/ AN XTRA DRV. ON THE SIDE

Asus P5n-d motherboard
July 19, 2010 at 13:58:32
Specs: Windows 7
CAN I ADD ANOTHER WD 500G HARD DRIVE TO AN EXISTING RAID 0 - 2 SEAGATE 1TB EA,
I DON'T WANT TO INCLUDE THE 500G INSIDE THE RAID 0, JUST STAND ALONE SATA DRIVE JUST FOR STORAGE, OR BACKUP ONLY.. WHERE I CAN JUST MANUALY COPY FILES TO THE WD DRV.
I HAVE A MASSCOOL SATA CONTROLLER WHERE MY POINEER BLU RAY & WD 500G SHOWS UP, BUT NOT IN MY COMPUTER, ONLY THE BLURAY SHOWS. MY RAID 0 IS ON THE MOTHER BRD, NOT THE CONTROLLER. I JUST WANT THE WD TO JUST APPEAR IN MY COMPUTER , ALONG SIDE THE RAID DRV,

THX BO.


See More: raid 0. W/ AN XTRA DRV. ON THE SIDE

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#1
July 19, 2010 at 14:38:07
Typing in all capitals in a post on the internet is considered to be the same as if you were SHOUTING, and to be very RUDE !

A RAID 0 array is a "striped" array. It's given the number 0 because it's not a true RAID array - it has no redundancy - if one hard drive fails, the array cannot work, and if you replace the failed drive, you must re-install the operating system and other data you want on the array. It's only advantage is you have a net data transfer rate that's up to twice as fast as for a single drive.
Each of the two existing 1TB drives has about half the data. The data is stored on the two 1TB drives in stripes a.k.a. blocks of data. E.g. block 1, 3, 5, 7 etc, on the first drive, block 2, 4, 6, 8 etc. on the second drive. You cannot add a drive to the existing RAID 0 array (if it's even possible to have more than two drives in a RAID 0 array) and have the operating system and the other data on the hard drives work unless you start over from scratch, and re-install Windows, and the data you want on it.

On top of that, in order to get the max use out of the 3 drives in an array, they should all be the same capacity - if you added a 500gb drive to the existing array, only to a max of ~ 500gb of drive space would be used on each 1TB drive. (~ 500gb ? The binary size in the operating system is always smaller than the manufacturer's decimal size, and the software partitioning and formatting use up some of that. )

You can just connect a 500gb drive and use it for storage if you want. The RAID 0 array will be assigned one drive letter, the 500gb drive will be assigned another drive letter in the operating system. You will be able to "see" the 500gb from the existing operating system on the RAID array, if the drive has been software partitioned (e.g. using NTFS) and formated. If the drive is new, or used and blank of data, you will need to software partition and format the drive in Disk Management in Windows, then the 500gb drive drive will show up in My Computer and Windows Explorer.
You do not need to set up a RAID array for all drives connected to RAID capable drive controllers on a computer - setting up a RAID array is always optional.


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#2
July 19, 2010 at 14:50:31
sorry w/the caps. hit by accident. understood. the only problem i have is the 500 gig on the sata controller card shows the 500g in the bios of the controller card its on., but not in my computer or disk management.....thx

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#3
July 19, 2010 at 15:19:17
You will need to read your motherboard manual to determine which SATA port to connect the 500GB to. You should be able to use it as a separate drive. The settings in the BIOS must correspond to what you want to run. There may be a setting for Just a bunch of drives. Using that MAY then incorporate the third drive into an array. So read the manual and set the BIOS accordingly.

Look at the link below for more on this.

http://en.wikipedia.org/wiki/Non-RA...


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#4
July 19, 2010 at 15:22:48
It should show up in Disk Management in the RAID array's operating system if the proper drivers for the Masscool controller have been installed in the operating system. (They may NOT be built into Windows 7 - see the installation directions for the Masscool controller.) It won't show up in My Computer or Windows Explorer and have a drive letter or letters assigned to it unless the drive has been software partitioned and formatted (using something Windows recognizes) . Of course, if you had more than one drivers choice, you must install the right ones.

If the proper drivers have been installed, there's something oddball about the masscool controller. In that case, try connecting the 500gb to the same drive controller as the RAID 0 array is connected to. Doing that will NOT effect (make slower) the net data transfer speed of the drives in the RAID array.


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#5
July 19, 2010 at 15:23:29
Why on earth would you want to do this with an external drive? RAID 1 maybe but even that is crazy. If you disconnect the drive while it is syncing then you will lose your data.

If you just need backups just simply setup your Windows Backup to backup to your External Drive you don't need RAID for this.


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#6
July 19, 2010 at 16:04:12
thx, i will put the wd 500g on the mother board raid controller, along w/ the raid 0. i have this wd drv is an internal sata spare. i got just as backup, knowing that the raid 0, if lost its all done. so this xtra internal is just a precation to save important files. i wanted the raid just for speed. and to protect important files i added the wd. i would have done that in the beginning, but my 2 geforce 9800 gtx's were huge and covered 2 sata slots. so i had to get a sata controller card. believe it or not , its running great.
thnk u all, for your great advice.. bnita

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#7
July 20, 2010 at 08:02:38
That's fine. Just remember RAID 0 is not fault tolerant like RAID 1, 5 or 1+0. If one drive fails then you lose your data.

http://www.pcguide.com/ref/hdd/perf...


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#8
July 20, 2010 at 17:43:34
thx ace, backing up w/ a wd 500 gig sata. i'm on the same mb sata controller as my 2tb striped rad 0.


thx 4 all ur help.


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#9
July 20, 2010 at 21:55:54
We're glad to hear you found a solution.

The Maxcool card should have allowed you to see the 500gb drive too.
Are you sure you installed the right drivers for it ?


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#10
July 21, 2010 at 14:23:44
Well, that's a good question, one driver is for raid and the other is for reg. sata devices. my raid 0 is on the mother board raid controller, and my blu ray burner and wd 500 is on the masscool sata controller. when booting up i see a raid config. for the blu ray and wd 500. i enter setuo and it states not raid compliant or something, for the drive and wd. i probably need to uninstall the raid driver and insert the reg. driver. win 7 may have chosen this one. it was hard getting the driver in.

thx, B


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#11
July 21, 2010 at 15:05:44
"Are you sure you installed the right drivers for it ? "

"Well, that's a good question, one driver is for raid and the other is for reg. sata devices. "

According to my experiences with several mboards that support RAID and two controller cards that support RAID, one of which is a Masscool combo EIDE / SATA PCI-E X 1 controller card,

- if the drive controller's chipset supports RAID, you must load the RAID drivers - if you load the SATA or EIDE non-RAID drivers for a controller chipset that does support RAID, either Windows will tell you they're the wrong drivers, or they won't work properly.

- you DO NOT have to use RAID or set up a RAID array when the controller's chipset supports RAID - the RAID drivers also support non-RAID use. Using RAID is always optional.

- if there are choices for more than one chipset model number, make sure you install the drivers for the model your mboard or controller card has - examine the chip.
........

"when booting up i see a raid config. for the blu ray and wd 500. i enter setuo and it states not raid compliant or something, for the drive and wd."

Optical drives cannot use RAID or be in a RAID array.

You need at least two hard drives to be connected to the same RAID capable controller in order to be able to set up a RAID array.

"i probably need to uninstall the raid driver and insert the reg. driver."

See above - when the controller chipset supports RAID, you load the RAID drivers, even if you're not going to use the RAID capability.

" win 7 may have chosen this one. it was hard getting the driver in"

READ the installation instructions that came with the Masscool controller card !!
If instructions for Windows 7 are not there,

- usually the directions for Vista are identical if they're there,

- or check out Masscool's web site
http://www.masscool.com
to see if there is info there about installing it in Windows 7,

- or, Masscool didn't make the controller chipset - if you can identify who did, e.g. Silicon Image models start with SI; J Micron ones start with JM - you can also look on the chip maker's web site to see if there are Windows 7 installation directions there.


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