Question

Errors on \Device\Harddrive1

Asked by: rkricketts

I have a computer running SBS 2003 with two 500GB SATA drives in a RAID1 config.  I also have a 500GB external USB hard drive (well, several) that I backup to in rotation.

The two internal drives are configured as a RAID1 mirror at the controller level, presenting a single drive to the OS.  I've partitioned the drives thus:
C: = 50GB
D: = Remainder of drive, 450GB

I backup every night using NTBACKUP.  Last night, NTBACKUP puked, producing this:

-----Begin snipped from backup log-----
Backup started on 2008-01-09 at 23:29.

Error: The device reported an error on a request to write data to media.
Error reported: Invalid command.
There may be a hardware or media problem.
Please check the system event log for relevant failures.
The operation was ended.
Backup completed on 2008-01-10 at 04:17.
Directories: 26871
Files: 218358
Bytes: 128,669,641,591
Time:  4 hours,  47 minutes, and  57 seconds

Error: D: is not a valid drive, or you do not have access.
-----End snipped from backup log-----

The event log shows this:
An error was detected on device \Device\Harddisk1 during a paging operation.

Couple of questions:
1.  How to decipher "\Device\Harddisk1"?  Are my two RAID1 drives "\Device\Harddisk0" and "\Device\Harddisk1" ?  Or is the external USB drive "\Device\Harddisk1"

NTBACKUP says drive D: isn't valid, yet I can access it fine.  At the same time, the USB status in the icon tray says there's an error with drive G:, impartial write (or something), save data to another drive.

So, is drive D: choking?  If so, which drive in the mirror is it?  Or is drive G: choking?

Any primer on decoding the "\Device\Harddisk[n]" nomenclature?  I've googled it but found no joy.

thanks...

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Asked On
2008-01-10 at 16:31:05ID23074487
Tags

An error was detected on device \Device\Harddisk1 during a paging operation.

Topics

Hard Drives & Storage

,

Removable Backup Media

,

Computer Hard Drives

Participating Experts
2
Points
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Comments
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Answers

 

Expert Comment

by: XconPosted on 2008-01-10 at 17:41:17ID: 20633394

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Accepted Solution

by: XconPosted on 2008-01-10 at 17:44:05ID: 20633408

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Expert Comment

by: rkrickettsPosted on 2008-01-10 at 19:22:25ID: 20633857

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Expert Comment

by: Computer101Posted on 2008-02-15 at 19:53:47ID: 20908054

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