Re: will mdadm work with a raid created using raidtools

[Andrew Nelson <freeandy@gmail.com>]

Frank Blendinger wrote:
> On Thu, Feb 16, 2006 at 09:15:27AM -0600, Andrew Nelson wrote:
> 
>>Feb 14 21:58:36 localhost kernel: hde: dma_timer_expiry: dma status == 0x21
>>Feb 14 21:58:46 localhost kernel: hde: DMA timeout error
>>Feb 14 21:58:46 localhost kernel: hde: dma timeout error: status=0x51 { DriveRea
>>dy SeekComplete Error }
>>Feb 14 21:58:46 localhost kernel: hde: dma timeout error: error=0x40 { Uncorrect
>>ableError }, LBAsect=1594001, high=0, low=1594001, sector=1593535
>>Feb 14 21:58:46 localhost kernel: end_request: I/O error, dev hde, sector 159353
>>5
>>
>>Does anyone have any idea what I'm doing wrong?
> 
> 
> It's probably not your fault - blame /dev/hde! This sounds like a bad
> error on the disk - you should really get a new one, and try to copy
> /dev/hde to the new disk (with dd_rescue for example). This _might_ save
> the data.
> 
> Then you can try to create the array with the new disk and hope that
> it will work.
> 


I thought the whole idea of a raid 1 was that if one drive went bad I could just
plug a new drive in and the raid would rebuild without problems.

What have I done wrong so that this isn't possible?

//andy