[lug] RAID 5 Question

Hugh Brown hugh at math.byu.edu
Fri May 25 06:48:45 MDT 2007

paul nowosielski wrote:
> Dear All,
> I just have a question regarding RAID 5.
> I'm running software RAID 5 on a server. The RAID array has 4 drives. 1 
> drive has failed.
> If I loose a second drive, so there would be 2 active drives, would 
> there be any issues recovering the array or data by replacing the 1 or 
> both of the failed drives
> and rebuilding the array?
> Thank you,
> -Paul

If none of the 4 drives is a hot spare, then my understanding is that 2 
drives dead means you lose all data.  Array rebuilds usu. mean fairly 
slow performance while it syncs data.


More information about the LUG mailing list