Originally posted by: lansalot
My facts are straight, perhaps they are too technical for you to understand? I thought I made them clear, but hey-ho. My warning indicators went off when you said "raid is very reliable" - apparently you don't know the first thing about it, or you wouldn't say that. You can't create a raid device, it has to have a particular level, such as Raid0, raid1 etc
You clearly don't know, or even understand, the simple point I explained. Raid0 is not for reliability, it is for performance - there are plenty of articles on this on the web that you can find that will back that up as I'm sure you won't take my word for it. Failing that, perhaps someone else who actually understands the technology will reinforce the point I made.
The fact that you have set up several arrays and none have failed means absolutely nothing. That's such a ridiculous statement to make.
If the hard drive will fail at some point as you claim, what does that have to do with raid?
All hard drives will fail eventually. Perhaps not before you outgrow it and throw in a larger one, but as a mechanical device its time is sadly limited. That's a sad reality for all of us, and you're lucky if it hasn't happened to you. A quick look around these forums will find posts asking for help in getting data off a dead disk. And when one disk fails in a raid0 config, you lose the volumes on it. No if's, and's or but's.
Hope that's clearer for you. If it isn't, like I say, hit the books. You are the one sadly lacking in the fact department.
For what it's worth, I'm certified with Veritas Volume Manager, and Solaris DiskSuite. I work with RAID systems every day mostly on Sun hardware, but plenty of Dell PERC as well.
Regardless, here's one to start you off:
From
http://www.webopedia.com/TERM/R/RAID.html
Level 0 -- Striped Disk Array without Fault Tolerance: Provides data striping (spreading out blocks of each file across multiple disk drives) but no redundancy. This improves performance but does not deliver fault tolerance. If one drive fails then all data in the array is lost.
Clear? When calling someone a smartass, try not to look like his dumb cousin in doing it
And apology would be nice, but I won't be holding my breath.