[TriLUG] Setting Up RAID-5

Lee Fickenscher elfick at mac.com
Fri Dec 8 10:43:24 EST 2006


On Dec 8, 2006, at 12:06 AM, Brian Henning wrote:

> <snip>
> I didn't think of that straight away, but the easy solution would  
> be to have
> the OS not stored on the array.  Separate itty-bitty cheap HD for  
> the OS.
> If it dies, who cares.  Reinstall.  Uptime is my bottom-most concern;
> throughput (on read moreso than write) and data integrity/safety  
> are top, in
> that order.
>
> <snip>
> Yeah, but as I said in #1 above, uptime isn't nearly so big a  
> concern.  If
> the machine crashes, oops.  I don't imagine ever writing "live" to  
> the array
> (meaning any critical write operations, such as writing while  
> sounds are
> being recorded, will be to the workstation, then backed up to the  
> RAID --
> system crashes during write during backup, just copy the file  
> again), and a
> crash during a read would be a nuisance but less of a nuisance than  
> losing
> all the data.  It's not like a sudden-death crash is going to  
> (hopefully) be
> any more frequent than the sudden-death itself.

If uptime and performance aren't really a concern, why even bother  
with raid?
Just get yourself a good backup solution and use LVM to maximize space.


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