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mirroring and fault tolerant boot disk

By bradsayers ·
I have a have a question that baffles me.

I installed a second hard drive (as a slave, primary IDE) in a NT 4 server (NTFS) and mirrored them.

The system boots fine and in disk manager, I can see both drives mirrored and in a healthy state.

The mystery is this: I cannot boot to the second drive with a fault tolerant boot disk. I have researched mirroring and performed all the following possible resolutions:

I have went back and deleted the partition on this new drive, then created and formatted it with NTFS according to Q117131, writing master boot record to shadowed partition. Then I established a mirror.

After mirroring, I updated the repair information (rdisk /s) then did a emergency repair process with the setup disks to write MBR info to the shadow disk, see:
(http://www.ntfaq.com/Articles/Index.cfm?ArticleID=14673).

After all this I made a fresh fault tolerance disk as follows:
ntldr, ntdetect and boot.ini.
Fault tolerant Boot.ini looks like this:
[boot loader]
timeout=15
default=multi(0)disk(0)rdisk(1)partition(1)\WINNT.SBS
[operating systems]
multi(0)disk(0)rdisk(1)partition(1)\WINNT.SBS="BackOffice Small
Business Server" /NoSerialMice:COM1
multi(0)disk(0)rdisk(1)partition(1)\WINNT.SBS="BackOffice Small
Business Server [VGA mode]" /basevideo /sos /NoSerialMice:COM1


The boot.ini on the server reads rdisk(0).

Whenever I boot from the FT disk, the boot process gets to the same point before failing. I believe this is where ntldr loads the ntoskrnl.exe. I get the blue screen which says Microsoft Windows NT (TM) Version 4 (build 1381), however the rolling dots underneath that sentence never come and I am sent back to a restart.

As I have indicated: Disk Manager reports ahealthy mirror.

But I really want a fault tolerant boot disk (AND to understand what is happening!)

Thanks for any help, Brad

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mirroring and fault tolerant boot disk

by allan In reply to mirroring and fault toler ...

Seems like you've followed all the instructions OK
You need to find out if the problem is with the ERD Disk or theHard Drive.
First change your boot.ini back to rdisk(0) and see if the primary drive will boot. If the ERD disk is ok then this should work.
If not create a new ERD for the Primary partition and get that one to work. Once that works change the boot.ini to rdisk(1) and see what happens. If it does not boot then do the MBR/Shadow procedure and try again.
If you think that the ERD Disk is now working but it still won't boot, remove the Primary drive and see if the second drive will boot then.
The key here is determining if the problem is the disk or the drives.
Lot's of Luck

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mirroring and fault tolerant boot disk

by bradsayers In reply to mirroring and fault toler ...

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mirroring and fault tolerant boot disk

by bradsayers In reply to mirroring and fault toler ...

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