Biostar P4M800-M7A Motherboard SATA RaiD Mirror Array As C boot Disk
I installed 2 sata Hard Disks as a RAID Mirror Array and want to have this as mu c drive boot disk. I have other ATA disks in the computer as well. The Bios does not show this array as a hard disk and does not show it in the disk boot sequence list so as to enable it to be selected as the boot drive. I upgraded the Bios with no improvement. Will the MB and or Bios allow a Sata raid Mirror to be shown . I think the Bios treats these SATA drives as SCSI disk drives. In all other respects the drives work and show up in my computer as diskdrive and also in control panel as a VIA SATA RAID 1 SCSI disk device.
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Re: Biostar P4M800-M7A Motherboard SATA RaiD Mirror Array...
Hi, you need not have to upgrade the BIOS,, set the SATA HD on the IDE channel in the BIOS, or what options r avilable for SATA controller, if it is set to RAID, you will need a raid utility to format the SATA, or it wont shoe in windows, let ,e know
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Raid 1 mirrors the disks, but they are still in an array. You need to identify which disk of the two failed. Replace the bad one and let the unit rebuild the raid if it can. This could take hours. Independently, I have not found them to work alone. They need the built raid array. I lost a ton of pictures on a 4 drive raided array that lost one drive, even though they were raided mirror. Best bet is to see if your manufacturer will guide you through the diagnostics and procedures to restore the array for that unit.
I enabled SATA support on my BioStar M7VIZ-SATA MOBO (it is km400 and 8237r, like yours) by first installing the VIA SATA RAID drivers. At this point, Windows recognized the device controller but not the 120GB drive. The problem was that the system doesn't support "newer" SATA drives, so I installed a jumper on the disk drive to set it to "150" mode... SATA version 1 compatibility. After that, Windows immediately recognized the drive and mounted the filesystem.
I think it was a Western Digital drive. Other manufacturers have a different name for the same jumper. Also, I read that one type (Samsung?) can only be set to the old SATA standard by getting the drive running in a SATA 2 environment, then using a utility program to adjust the drive's microcode setting.
RAID logically combines several identical disk-drives for better performance or for better reliability.
For better performance, one RAID configuration "stripes" the data, i.e., when you write a block of data, the block is split into "stripes", and each stripe is written to a different disk-drive.
Since each stripe is smaller than the whole block, it is faster to transfer the data in "parallel".
For better reliability, another RAID configuration writes each block of data _identically_ to multiple disk-drives. Thus, if one disk-drive fails, your data still exists on the other disk-drives.
You can then replace the "bad" disk in the array, and use software to "rebuild" this "mirroring" of your data, by copying all the data from one of the "good" disks onto the "new" disk.
So, in your case, one of the disks in your array is failing. Identify it. Replace it. Rebuild your array.
use this guide, this is fo the embedded sata raid controller that comes standar with the ml150 g5.
Enabling SATA RAID functionality in the BIOS Setup Utility:
1.Boot the server, and then press F10 to enter the ROM-Based Setup Utility (RBSU).
2.Go to the advanced tab.
3.Enter the IDE configuration or hard disk configuration.
4.Change the ATA/IDE configuration to enhanced or SATA controller 2 enhanced (if not available then use enabled mode).
5.Configure SATA as RAID or configure controller 1 as RAID.
6.F10 to save and exit.
7.Reboot the server.
8.During post f8 will now show up for the embedded SATA set up.
•Creating the RAID volume.
1.Enter the embedded SATA setup by pressing f8 during post.
2.Enter the array configuration utility.
3.Enter create array.
4.Create the raid volume as desired.
5.Save and exit.
turns out the RAID enable in the bios is also used to enable the SATA. but this doesn't mean you have to use RAID to use SATA drives! there's a separate bios to configure the RAID that you can access after the initial boot screen by pressing tab. here, you can delete an existing array or create a new one. deleting the array makes the motherboard see both drives separately, like I wanted. problem solved :)
If your Hard-drives are set in RAID mode or any other mode you would need to change your CMOS settings and configure them as IDE this can only be done in CMOS and if you want these features to be but back when you install windows XP be sure to boot from the disc and press f3 to install a raid driver