After reading all the emails about replication, I start to worry about hard drive failure. Let's say one hard drive fails and I replace it with a new one. According to the previous discussion, a file is auto-healed only if a client accesses it. I have a lot of files and it's unlikely that each file will be accessed by some client in a short period of time, so those not accessed will be left unhealed. If the other hard drive dies, then all these unhealed data will be lost. Is that correct? Then what's the right way to deal with hard drive failure, or glusterfs is simply not designed for network failures but assumes reliable underlying storage? - Wei Dong
