Software raid VS hardware raid

Per olof Ljungmark peo at intersonic.se
Mon Jan 28 22:14:17 UTC 2013


On 01/28/13 21:43, Artem Kuchin wrote:
> Hello!
> 
> I have to made a decision on choosing a dedicated server.
> The problem i see is that while i can find very affordable and good
> options they do not
> provide hardware raid or even if they do it is not the best hardware for
> freebsd.
> The server base conf is 8core 32gb ram 2.8+ ghz.
> So, maybe someone has personal experience with both worlds and can tell
> if it
> really matters in such configuration if i go for software raid. What are
> the benefits
> and what are the negatives of software raid? How much is the performance
> penalty?
> I am planning to use mirror configuration of two SATA 7200rpm 2TB disks.
> Nothing fancy.
> File system planned is UFS with journaling.
> 

I won't delve into detail here but if the data is important HW RAID is
where you want to be. Perhaps you could give us a little more details
about what the purpose of the server is? Mission-critical or low cost?
Those two tends to be mutually exclusive...

We are HP-only but have good experience from LSI as well.

Just my $0.02.

//per


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