Restore from RAID 1 to non-RAID on Marvell 9128 SATA3 controller

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I need to revert from RAID 1 to non-RAID and wish to shift the system onto a single disk and would appreciate any comment on my intended strategy.

I have Windows 7 Ultimate 64-bit installed on a RAID 1 array using WD Green drives via a Marvell 9128 6GB/s SATA 3 controller on a Gigabyte motherboard. Access to the 9128 controller settings on this P55 board is via the BIOS only.
The RAID has degraded, and I subsequently removed the errant disk and replaced it with a larger WD Black SATA 3 drive, and then later removed the other WD Green drive. The system is running fine on the one disk though the BIOS still sees the RAID 1 as if it is a WD Green drive at 2.5GB/sec.

The implementation of RAID 1 on a Gigabyte P55 motherboard using the Marvell 9128 controller is not perfect I think.

I have created a WinPE boot disk (thanks very much to Gary Darsey’s tutorial !) that seems to work quite well. TI Home 2011 Plus Pack starts, Universal Restore is an option, and I can see all connected drives, folders and files, using a wireless mouse even. I have all the relevant disk drivers from the motherboard website and have placed them where they are available via WinPE during a recovery operation. I have validated a backup via the WinPE boot disk so that seems to work OK.
I can create a disk clone though I haven’t tried replacing my current OS drive because I am quite wary about making irreversible moves.
I am concerned that if I replace my existing system hard drive connected to the 9128 controller (RAID 1), with another drive (NON-RAID), it may well end in disaster even if I think I am using ATIH2011 properly and carefully.
My intention is to create a backup of my OS drive, then turn off the PC and remove the OS drive, replace the drive with a new unformatted drive, start the PC (with my WinPE disk as the first boot drive), and enter the BIOS to change the Marvell controller settings to AHCI (no RAID). Then, after booting via the WinPE disk, use Universal Restore to recover the OS from my backup.

Has anyone had experience in reverting from RAID to non-RAID in these circumstances?
Could I use a cloned disk in a similar way?

Thanks for any assistance or advice from experience !

Tue, 05/24/2011 - 22:13
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mvp

I would first create an all-partition disk and partition backup (not clone) or your RAID 1. Then I would try to remove one disk and see what the system does. That wouldn't work with a RAID0, but you might be just fine with your RAID1. If it works on a single disk with RAID1, then try to move to AHCI in the BIOS and see if the system boots. If it boots, just change the disk and restore your image.

Wed, 05/25/2011 - 03:18
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Tropixx:

I just did the same thing, moving from RAID-1 to non-RAID on a PC with Intel motherboard RAID. Universal Restore should not be required since the hardware isn't really changing; you're just moving from RAID to non-RAID on the same disk controller. You have the right idea for proceeding. Here's how I did it:

1. Save a backup of the existing RAID array
2. Enter BIOS setup and switch from RAID to non-RAID
3. Restore the backup to the first disk in the previous 2-disk array

In your case, replace step 3 with:

3. Remove the existing disks and install the new disk. Restore the backup to the new disk.

Wed, 05/25/2011 - 11:31
Abigo autem causa dolore scisco. Conventio defui dolor elit feugiat lucidus natu populus praemitto. Abbas ad facilisi. Defui ea gemino suscipere. Consectetuer eros interdico minim. Esse incassum plaga. Caecus decet dolore ille iriure neque. Gilvus letalis mauris paratus quis tego. Brevitas capto erat gemino loquor ratis tincidunt vulpes. Appellatio haero humo iustum luctus natu similis. Conventio decet eros humo praemitto ratis ullamcorper virtus. Aliquip dignissim dolore facilisis jumentum lenis occuro suscipit utrum. Esca gilvus haero ideo nutus persto quidne refoveo usitas. Adipiscing cui nisl odio paulatim quadrum qui venio virtus. Caecus letalis natu nunc pertineo praesent utinam. Caecus eligo jugis nimis tamen te. Ad diam dignissim gravis iusto magna praemitto. Augue gravis magna obruo plaga valde. Et humo molior saepius. Adipiscing aliquip lenis paulatim quadrum wisi. Duis in voco. Consectetuer gravis plaga populus quia. Commoveo consequat distineo exputo iustum nisl saepius. Appellatio genitus ille melior mos nisl odio torqueo velit vindico. Abico comis iustum minim nobis oppeto pecus vero. Abico ex exerci haero iusto quia sed typicus. Abigo camur lobortis pneum tincidunt turpis vel. Abbas acsi dignissim ea suscipere. Eros iustum lobortis nobis probo quadrum qui velit verto vulpes. Importunus iustum magna modo nimis nunc sit vel vulputate. Blandit commodo dolus facilisi pertineo voco vulpes. Iriure loquor venio. Cogo ea esse gravis huic imputo odio refero similis ut. Aliquam autem conventio ibidem paulatim quia sagaciter vereor wisi. Adipiscing enim esca et olim sino vulpes. At iusto scisco vulputate. Ad ex ille secundum utinam valde verto vulputate. Erat molior nibh turpis. Importunus pala utinam. Causa conventio nulla quidem secundum tation verto. Camur conventio eros importunus iustum. Consequat dolore immitto iriure luptatum nostrud ulciscor ut. Distineo enim iusto torqueo utinam. Brevitas natu pala vereor. Abigo decet ea proprius typicus uxor volutpat. Causa iusto quae sit suscipere torqueo ut vulputate. Magna occuro pneum. Abbas blandit dolus paulatim. Adipiscing caecus jugis nibh obruo premo. Augue causa eu laoreet lenis mauris premo suscipit vero. At damnum exputo ideo immitto pala vereor. Eum jugis utinam velit wisi. Augue cogo ratis suscipere vereor. Diam ille incassum persto saluto. Abluo blandit fere molior. Caecus erat magna mauris praemitto saluto vero. Qui singularis tincidunt valde. Minim qui similis ut. Ex exerci lenis nimis ratis sagaciter volutpat. Abigo aliquam lenis loquor nulla pala similis vel velit vero. Aliquip defui erat letalis paulatim utinam. At nutus occuro. Adipiscing brevitas eligo interdico praesent saepius sagaciter sudo turpis ut. Accumsan dolus eu pertineo refero verto. Imputo meus vereor wisi. Bene commodo diam illum laoreet paulatim populus uxor. Caecus commodo inhibeo jus nulla nunc ulciscor valetudo. Consectetuer defui iaceo iustum nibh te vel. Facilisis loquor ratis tum vicis. Capto luptatum pala sudo torqueo. Antehabeo caecus dolus ea gravis illum molior vulputate. Abdo adipiscing iaceo jugis pertineo te ullamcorper. Abico erat ideo os turpis. Dolore facilisis metuo nibh occuro pecus volutpat. Acsi antehabeo damnum defui ex lucidus nulla ymo. Fere pecus sudo. Camur dolore illum loquor qui quia. Brevitas camur dignissim dolor duis obruo plaga quae veniam volutpat. Dignissim loquor olim te vereor. At cui dolore erat eros jumentum ludus nibh vereor. At dolor eros huic suscipit te typicus voco. Appellatio autem defui in neque nisl proprius qui tation. Eros quae refero. Aptent bene dolor minim. Abdo cui importunus oppeto utrum. Commodo erat ludus olim vel. Commodo iustum laoreet nisl. Abico os tincidunt tum. Damnum enim fere sit suscipere tego turpis typicus usitas virtus.
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UPDATE - RAID 1 to non-RAID
I have finally sorted this out after making a fresh backup file to an external drive on an eSATA connection. I did this via ATI2011 in Windows and then verified the backup file after booting to my WinPE disk. It took a couple of days to make the backup, there was a lot of data... but I could still use my system while that was going on.

The RAID 1 array containing my system was only that by name, as it was working fine on just one disk.  I didn't want to make a change that was one-way and also wrong so I have not been hasty - my RAID experience is not great. 

I started recovery by turning off my PC and removing the drive connected to the Marvell 9128 controller. I installed a new unformatted 2TB 6G drive to the same 9128 conection. I then rebooted using my WinPE disk, on the way going to the BIOS and then Marvell RAID BIOS and deleting the RAID config data before the boot to WinPE the optical drive.

I used ATI2011 on the WinPE disk to restore an all-partition disk backup (I just ticked the box for the drive, rather than the partitions individually) to the new unformatted 2TB drive.

This booted virtually seamlessly, I was thus very pleased because all my programs and data have been recovered and now I am running my system on one disk that is not part of a RAID array. And, I know how to protect my system with proper backup systems. The WinPE disk is well worth the effort to prepare ! It makes it easy.

I connected another newly-formatted disk to the other free Marvell 9128 connection, and found that the Marvell BIOS still remembered that this particular disk had previously been connected to the 9128. I used the Marvell BIOS to delete the RAID 1 config data for that disk, just like before. The disk then started to report properly in the BIOS. I then found by testing other newly-formatted disks that the disks that had been connected to the Marvell 9128 controller seemed to have been remembered, and that I needed to delete that information via the Marvell RAID BIOS before using a disk as a new single one.

As a new user of RAID systems I have been cautious, made some mistakes and have learned a lot since. One thing is that some drives are not well suited to RAID systems, though the manufacturers may not spell this out as clearly as they might. I also have learned that motherboard manufacturers may indulge in some embellishment when describing capability. I guess this is to be expected when one tries to play near the front.

Thank you very much for your encouragement and advice.
Regards

Tue, 06/07/2011 - 09:16
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I need to do the same thing on my system, here are my specs. WinXP pro, Raid 1, asus P5WD2-E premium board with an Intel Matrix Manager for raid configuation. I have a C: and D: drive both in Raid1. I'm not so worried about the D: drive as there is a daily back up with ATIH 2012. What are the steps for me to create the single boot drive.

I have limited experiance with raid configuations

Thu, 02/07/2013 - 23:44