On 4/19/05, Francois Caen <frcaen at gmail.com> wrote: > On 4/18/05, Chuck Rock <carock at epctech.com> wrote: > > Isn't RAID supposed to be redundant disks, not redundant partitions? If that > > hda disk goes bad, the raid and redundancy is nowhere to be found along with > > your data. Right? > > Software is more flexible than that. It works with partitions. > > Of course, for redundancy purposes, you want to mirror partitions on > separate physical drives. But you don't have to mirror all the > partitions on all your drives. > > For example, you don't raid swap partitions. We do that. The thinking is that if a drive goes your swap is still accessible through the md device. Ultimately we are trying to avoid VM issues because we lost one drive. Cheers...james