Jonathan Moore wrote: > On Wed, Oct 21, 2009 at 7:51 AM, Les Mikesell <lesmikesell at gmail.com> wrote: > >> You can, if you connect the iscsi block devices into one machine that can >> combine them in one or more md raid devices, put a filesystem on them, and >> export via nfs and/or smb to the systems that want shared space. However, the >> > > If you did this, took a handful of machines, exported their storage > via iSCSI and had > a single server taking each of those iSCSI exported drives and > combining into a single > giant md device, would the theory of redundancy still hold? > > Say, I had 4 devices with 500 GB drives exported using iSCSI. If a > single larger server > took those four iSCSI export drives, and created one md RAID 5 device, > could a single > server be turned off, and just degrade the array until it was either > replaced entirely > or brought back online? > > I suspect so. After all, it is just seen as a disk as far as md is concerned and it will do the same normal thing if you unplugged a single disk from the array.