RAID 1 and recovery

Brian Tillman mailinglists at briantillman.com
Sun May 25 16:06:40 UTC 2008


James,

A single disk from a Linux Software RAID  1 Mirror (using MD)  should  
readable in another system so long as you also running MD on that  
system. You'll just need to import that disk as a new array on the  
second system; there is a flag to indicate that the second drive in  
the array is missing and can be added later.

Brian


On May 25, 2008, at 8:52 AM, James Thorpe wrote:

> Hi List,
>
> Been searching for a while for an answer to this, and have started  
> experimenting with a fresh install, but not found a way yet.   
> Basically I'm building a small home server, primarily to act as a  
> file store.  It's got a drive for the OS, and 2 further drives  
> which I wish to set up in a RAID 1 array to use for the store.  All  
> the info I've managed to find so far to do with recovery from this  
> is when just a drive in the array fails, however I'm also concerned  
> about the box as a whole, and I'd like to know if it's possible to  
> take a single drive from the array, put it into another machine and  
> be able to read from it?  Eg just as a normal ext3 partition etc?
>
> That's it... very simple - but I've not found the answer yet!
>
> Thanks,
> James.
>
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