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Old 07-29-2007, 11:46 PM   #1
Registered: Aug 2004
Location: Arizona
Distribution: Linux Mint
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Unhappy Mount NTFS Software RAID0?

Is this possible with something like dmraid? How would I go about doing this? The reason I'm asking is because when I installed my linux distro, it wrote the bootloader to the wrong "drive", and so now GRUB is on the RAID where Windows' bootloader was, so I need to either recover my files, or restore the windows bootloader. I'm not sure if either is possible.

Any advice is appreciated, it's been a week since my last backup, and I have some critical things that I need recovered that aren't on that backup.
Old 07-30-2007, 02:41 AM   #2
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Okay, I actually managed to fix the RAID0 issue. I had a theory, so I installed testdisk in linux and I told it to write the TestDisk MBR code to the first drive in the RAID0 array, which had partition tables recognized (But the second disk was unreadable, go figure), so I came up with the thought that possibly the information that holds the MBR and the partition table lies outside of the stripe set. This would make sense, since it would more than likely be impossible to boot if the boot information was part of the stripe set. At least, that's what I think. I'm sure some of you guys could explain this better, and I'm sure I could come up with a better reason for why this worked, but I'm doped up on caffeine and sugar and I'm coming off that high, so my ideas are foggy. Anyway, after rewriting the testdisk MBR to the first drive, Windows boots normally.

Now, I would still like to know how I could mount this RAID0 array in Linux, as it would be very nice to be able to read files from it. In the mean time, I'm going to go back up everything

Thank GOD for Testdisk!
Old 11-03-2008, 10:41 AM   #3
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Question Had a similar problem, and my solution was -

I installed Debian on a third IDE disk, separate from my XP installation

on a SATA RAID0 which I normally boot from. The installation didn't go well

but I now had a bolloxed mbr on the raid setup. I booted from an XP install

CD, went in to the console, and used "fixmbr" and "fixboot" to repair the

mbr, and everything works well. At the moment I am trying to mount the

RAID0 under knoppix so I can copy everything over to a single drive and

then break the RAID0 to use the single disks. Having problems with that,

Old 11-04-2008, 09:33 AM   #4
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You can use mdadm to mount windows ntfs raid0 disks, and dmraid to mount firmware raid0 disks used by windows. Sounds like you need to use dmraid given your situation.
Old 11-05-2008, 04:39 AM   #5
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From the description of dmraid displayed by KPackage in MEPIS 6.0 (*buntu Dapper 6.06 LTS repos):
The following formats are supported: Highpoint HPT37X/HPT45X Intel Software RAID LSI Logic MegaRAID NVidia NForce RAID (nvraid) Promise FastTrack Silicon Image(tm) Medley(tm) VIA Software RAID . Please read the documentation in /usr/share/doc/dmraid BEFORE attempting any use of this software. Improper use can cause data loss!
I take this to mean that dmraid supports a nice variety of on-the-mobo fake RAID chips. Although I don't think that this justifies using those chips in a Linux installation (other than as add'l h/d controllers for Linux s/w RAID), it looks like dmraid is a handy addition to to the "Winders" diagnostic & repair toolkit.


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