Jerry Geis wrote: > Is there any performance lost in using a software raid array > with only 1 disk? > > I was wanting to use the mdadm monitoring tools to monitor the > machines single disk drive for failures and such. Is there any > performance hit for such a setup? I assume you are talking about RAID1 arrays. No, you won't. Rather, you will get a performance loss if you carve up your disk into more than one partition. > > Some machines have RAID some machines dont (for me) and > I was thinking about a common setup. > > Also then if I want in the future I can actually just add the second > disk and now I have RAID. I don't think you can actually build an array with missing disks.