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Need help with SATA RAID 1 failure on A7N8X Delux
My system "had" two Seagate 80mb SATA drives set-up in a RAID 1
(mirror) configuration on an ASUS A7N8X Delux motherboard, using the on-board Silicon Image Sil 3112A RAID controller. Several weeks ago my system crashed and I was unable to boot or otherwise access my disk drives. I did not have everything backed up, because I stupidly thought the mirror would protect against a disk failure. I have a years worth of digital photos on the computer and if I can't get them back then my wife will probably never let me spend another cent on computer hardware and other things. I'll basically be in hell for the rest of my life. One more thing, I reside in a small and slightly isolated country and I am the only one I know with SATA hard disks. This is what has happened to date. 1. The disk was formatted in NTFS with three partitions; the lost data is not on the partition with the operating system. 2. The RAID array has been working for about 12 months, albeit with some problems. 3. On three occasions the PC would not boot. I would open the box and disconnect one of the RAID drives. The machine would then boot. I would shut down and reconnect the disconnected drive. The computer would now boot with both drives and the Primary drive would be rebuilt. I take it I had an intermittent problem with the Primary drive. 4. Late one night a few weeks ago I noticed Windows XP had frozen. Before going to bed I used the Power on/off switch to shut down. Next morning the PC would not boot and my trick of disconnecting one of the drives did not work. The PC was reporting Disk Boot Failure, insert system disk and press enter. 5. The RAID utility screen was reporting Set0 Invalid RAID drive. 6. I tried to recover using the Windows CD, using F6 and S, inserting floppy with drivers, etc. However, after loading drivers Windows reports that no hard drive is available. 7. Use of DOS boot disks failed because the RAID drivers could not be installed and the hard drive is therefore never visible. 8. I spent several days surfing forums and trying everything possible to have the system recognize the disks without using the RAID utility to delete the RAID array and start from scratch, presumably losing all data in the process (not much help from the manuals on what happens when a RAID array is deleted – for example, does mirroring stop and each disk convert to stand alone hard disk?). 9. There are four options in the RAID utility: Create RAID set (would kill all data?) Delete RAID set (I don't dare) Rebuild RAID set (cannot, invalid RAID drive) Resolve conflicts (there are no conflicts to resolve) 10. By this time my kids are driving me crazy being on school holidays and fighting over the remaining PC so I decided to buy a new IDE hard drive and reinstall Windows onto it while I troubleshot my SATA problem. 11. This is where I made a big mistake. When removing the disk drives to install the new IDE drive, and reconnecting them on the bench, I accidentally shorted out the Primary RAID drive. How do I know it is shorted? When the drive is connected the PC will not power on. I did not tell my wife about this. I am still assuring her the baby pictures are safe. I had been telling her I had two drives from which to try for a recovery. So now I must recover data from only a single SATA drive, once part of a RAID 1 mirror! 12. I was hoping that with Windows XP installed on the IDE drive with the SATA RAID drivers, the remaining RAID drive would be visible. No such luck. 13. I sent an on-line message seeking guidance from Silicon Image tech support and received no reply. After searching the Web for a solution these last few weeks, I am still uncertain of the following: a) How is a single SATA drive connected to the ASUS A7N8X? Is it to be configured as RAID 0 striped array? There is no help in the manual on this. b) What happens when a RAID array is deleted, is all data lost? I am hoping that if I delete the array then the disk would be seen by Windows and I can at the least recover the data in the secondary partitions. On the other hand, this option may not even work since the utility reports Invalid RAID drive. c) Will all data be lost forever if I Create a new RAID array using a single disk? d) What about the security of the NTFS file system, will I be able to see my files if I do recover the disk and can see it after booting on the IDE disk? e) Can the data be recovered and NTFS defeated with disk recovery software? How much would this cost from a professional Company. f) It did occur to me that the problem with my RAID drives was a corrupt BIOS and I have been thinking of flashing the latest BIOS, which is stated to have resolved some SATA bugs. I've never flashed before and some advice on the net is to do this only if essential. The advice if a problem occurs is to seek professional help. Where I live there is no tech support in this respect and so I have been loath to flash the new Bios. Should I do it and what is the chance I will run into an unrecoverable problem? g) What to do with the shorted out RAID drive? Can it be fixed or should I bin it? h) Can anyone offer any an alternate way to recover the data and save me from a life of everlasting hell as I'll constantly be reminded that my $2000 home built PC lost the family snapshots? I very much appreciate everyone's time in reading through my problem and all advice will be very gratefully received. |
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