[SATLUG] RAID 5 setup

Tom Weeks tweeksjunk2 at theweeks.org
Sun Jan 20 13:43:17 CST 2008


On Saturday 19 January 2008 18:46:21 toddwbucy wrote:
> > You should first test and see if drive I/O is even a bottleneck for you. 
> > If it is, then I would examine doing a RAID-10 (a RAID-0 stripe of RAID-1
> > arrays).  If it's not a problem, then a RAID-5 will probably do just fine
> > for you.
> >
> > Tweeks
>
> well the ubuntu alternate install cd did not give me the option of RAID
> 1+0 so I chose RAID 5.  I know that I might have been able to find a
> work around but after spending the day assembling my new box I just want
> to get it up and running. Since I spent a few extra bucks on parts this
> time around and bottlenecking I may encounter with RAID 5 will be
> tolerable enough.
>
> Ill post the benchmarks in the next day or so....hmmm by the way can
> anyone recommend a good benchmark suit for a quad core. lmbench is slow
> and unreliable on SMP boards.

Well.. for raw I/O performance.. most folks use boonie++:
	http://www.coker.com.au/bonnie++/
	http://sourceforge.net/projects/bonnie/

Tweeks

>
> Todd
>
> Todd




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