[TriLUG] New system configuration thoughts
flanagannc at gmail.com
Wed May 2 19:27:37 EDT 2007
How is RAID mirroring not redundancy? It's redundancy where you don't have
a system outage in order to replace a disk that has failed. Odds are in
your favor that you won't have 2 failures at the same time. Mirror first,
_then_ you replicate the data to another system.
On 5/2/07, John Mitchell <john280z at gmail.com> wrote:
> On 5/1/07, Jim Tuttle <jtuttle at prairienet.org> wrote:
> > So, I've got a new system on the way and had a couple of questions
> > someone here might have answers to.
> < snip>
> > Second, I wonder about hard drive configuration. It's always been my
> > policy to have 2 matched drives, say sda and sdb, and to back up each to
> > the opposite drive. <snip>
> I wanted to look up some URLs first, but redundancy is better than
> (from StorageMojo)
> the Google File System's central redundancy concept: forget RAID, just
> replicate the data three times.
> john mitchell
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