On 02/03/2009 12:33, Samuel Toogood wrote:
> Alan Pope wrote:
>    
>> 2009/3/2 Rob Beard<r...@esdelle.co.uk>:
>>      
>>> The idea I had was if this is possible, I could attach one of the drives
>>> externally via eSATA so it can be taken off site and in the event of a
>>> server failure this off site backup could be plugged in and the server
>>> could be back up and running in minutes rather than a good few hours of
>>> re-installation (I was thinking of having two external drives so they
>>> can be alternatively swapped every day).
>>>
>>>        
>> You'll need a script to re-add the disk into the array to start the
>> sync, and yank it from the array before being unplugged, which is of
>> course easily do-able with "mdadm".
>>
>> Of course as soon as you add the disk back into the array you're going
>> to cause a boatload of IO as the array resyncs from the internal disks
>> back out to the external one, and that's going to happen _every_ time
>> you plug the disk(s) in.
>>
>> Cheers,
>> Al.
>>
>>      
> Are you thinking of this as the only backup? Recovery of accidentally
> deleted files might be a bit fiddly if so.
>
> Sam
>    
Actually I didn't take this into consideration.  Guess I'll have to dig 
out my Linux Format mags, I'm sure I saw something in one of them about 
keeping snapshots of the data.

Rob


-- 
ubuntu-uk@lists.ubuntu.com
https://lists.ubuntu.com/mailman/listinfo/ubuntu-uk
https://wiki.ubuntu.com/UKTeam/

Reply via email to