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Windows Server 2008: Boot from mirror dynamic disk!

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Hello.

I am using Windows Server 2008 R2 Datacenter and I got two 1.5TB S-ATA2 hard disks installed and I want to make a soft raid. (I do know the disadvantages of softraid vs. hardraid)

I have following partitions on Disk 0:

(1) Microsoft Reserved 100 MB (dynamic), created during setup

(2) System Partition 100 GB (dynamic)

(3) Data partition, 1.2TB (dynamic)

I already mirrored these contents to Disk 1. Its contents are:

(1) System partition mirror, 100 GB (dynamic)

(2) Data partition, 1.2 TB mirror (dynamic)

(3) Unusued 100 MB (dynamic) -- is from "MSR" of Disk 0, created during setup.

Since data and system partition are mirrored, I expect that my system works if disk 0 would fail. But it doesn't.

  • If I force booting on disk 0: Works (I get the 2 bootloader screen)

  • If I force booting on disk 1 (F8 for BBS), nothing happens. I got a blank black screen with the blinking caret.

I already made disk1/partition1 active with diskpart, but it still does not boot from this drive. Please help.

Both partitions are in "MBR" partition style. They look equal, except the missing "MSR" partition at the partition beginning (which seems to be not relevant to booting).

Regards Daniel Marschall

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PS: I tried to clone my source disk, which caused that it could not be read by Win2008, since uniqueid is the same. I gave the 2nd disk then the uniqueid "DEADBEEF", so that the uniqueids are different then. But now the 2nd disk is marked as invalid. Please, I need help with this.

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Here is my source disk data:

 

DISKPART> select disk 0

Datenträger 0 ist jetzt der gewählte Datenträger.

DISKPART> list partition

  Partition ###  Typ               Größe    Offset
  -------------  ----------------  -------  -------
  Partition 1    Dynamische Daten   992 KB    31 KB
  Partition 2    Dynamische Daten   100 MB  1024 KB
  Partition 3    Dynamische Daten    97 GB   101 MB
  Partition 4    Dynamische Daten  1299 GB    97 GB

DISKPART> detail disk

WDC WD15EARS-00MVWB0 ATA Device
Datenträger-ID: "E47AE47A"
Typ   : "ATA"
Status : "Online"
Pfad   : "0"
Ziel : "0"
LUN-ID : "0"
Speicherortpfad : "PCIROOT(0)#PCI(1F02)#ATA(C00T00L00)"
Aktueller schreibgeschützter Zustand: Nein
Schreibgeschützt  : Nein
Startdatenträger  : Ja
Auslagerungsdatei-Datenträger  : Ja
Ruhezustandsdatei-Datenträger  : Nein
Absturzabbild-Datenträger  : Ja
Clusterdatenträger : Nein

  Volume ###  Bst  Bezeichnung  DS     Typ         Größe    Status     Info
  ----------  ---  -----------  -----  ----------  -------  ---------  --------
  Volume 0     D   Daten        NTFS   Einfach     1299 GB  Fehlerfre
  Volume 1     C   Festplatte   NTFS   Einfach       97 GB  Fehlerfre  Startpar
  Volume 2         System-rese  NTFS   Einfach      100 MB  Fehlerfre  System

DISKPART>


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