Hi Wojciech Puchar,

I got Perc 4E-DI Embedded Raid Adapter (256MB) from DELL for my current SCSI
system. They said it's the enterprise class. I don't know much about the
performance between software RAID and hardware RAID.

Could you please tell me if this type of hardware RAID controller could
match the software RAID you were talking about? 

I don't want to pay for it if I don't really need it.



-----Original Message-----
From: Wojciech Puchar [mailto:[EMAIL PROTECTED] 
Sent: Wednesday, 1 October 2008 1:56 AM
To: Danny Do
Cc: freebsd-questions@freebsd.org
Subject: RE: Optimal File System config for 2.5TB RAID5

> The reason I want to use hardware RAID is because I got so much problem
> software RAID5 4 years ago on FreeBSD 5.4. I still remember those
> nightmares. Furthermore, hardware RAID5 doesn't require much knowledge and
> management.
> But you could be right, the CPU speed is triple now, software RAID gets
> smarter and more stable, it could perform better than hardware RAID
> it's more flexible. But again, I still prefer hardware because it's easy

it's someone more than that, still - you don't read my mails carefully.

you will get better performance with my patch, but still it will be crappy 
with your "hardware" RAIDs compared to what it should be

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