Mirrored Drives with "Disk Read Error"

[technobia]

I have a Windows SBS 2003 Premium R2 Server

I had to replace the MoBo because two of the SATA controllers failed. AS a result, the 2 Windows 500GB Mirror Sets C: Boot & D: Data were out of sync.

After replacing the MoBo things worked fine, I re-mirrored the C and D drives successfully. Disk manager reported Healthy partitions after re-syncing.

The next time I re-booted the server, a week later, the system would not boot. Although all the drives were recognized in the BIOS I am now getting “A disk read error has occurred” in the post.

I unplugged both master D and D mirror and the C mirror and booted to the master C drive. I was able to boot into the OS. So I shutdown and plugged in the master D drive oping to have one boot and one data drive functioning. But the “A disk read error has occurred” message returned.

So, then I unplugged the D drive and tried to boot back into just the one C drive as that we previously successful. No such luck, the “A disk read error has occurred” happened again.

Any suggestions on how to resolve this issue?

 

[nicolasvdb]

Insert your Windows Server 2003 install cd, boot up in recovery, try these commando's fixmbr, fixboot. Reboot and report back. If this doesn't work just let your install cd in your cd drive, let it always boot from cd and when it asks to boot from cd don't do it. Check if it boots then.

 

[wahnula]

Have you double-checked in SATA RAID BIOS and system BIOS for correct SATA settings? A single disk should have RAID disabled in the BIOS, but if both disks are connected and the system's BIOS set back to "RAID" then the mirror should be recognized.

The fact that a single "C:" drive worked, then failed, is suspicious. Slow down, double check all connections, maybe try a spare PSU if possible.

I had to replace the MoBo because two of the SATA controllers failed

It is highly unlikely both controllers would go bad at the same time unless the PSU (or another dying component) fried them.

Tony

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