[NTLUG:Discuss] Setting up a RAID

[Blue Dragon]

Rick Renshaw wrote:
> --- Blue Dragon <thebluedragon at gmail.com> wrote:
>
>   
>> I am thinking about using 4 or 6 SATA drives on it and maybe having half 
>> of the drives for the main RAID array while the other half of the drives 
>> will be used to backup everything if possible.  I am trying to determine 
>> what I will need for the case to get it running.
>>
>> Also if it is possible to use half of the hard drives to backup 
>> everything when needed how would I do that?
>>     
>
> If you are using RAID 0+1 (1 to make a duplicate of every drive, and 0 to put the pairs together
> into one large drive) then you can split the RAID 1 part of the array and remount the drive as
> another device and back up that device.  When the backup is done, rejoin the backup disks to the
> array.  Depending on the RAID controllers you are using (hardware and/or software) this may be
> much easier said than done.  
>
>
>   
I haven't bought any of the hardware yet.  Any recommendations on a RAID 
controller?  I am also thinking about building a server in a 1U or 2U 
case which will also manage the RAID.