[olug] built in RAID vs Indi RAID controlers

[Charles Bird]

Thanks for the input everyone.  I am thinking I'll be going scsi with Phil's recomendation on brand.
  My next thing will be the case...4 or 5u rackmount of course.
Thinking about finding a cheapie and stripping it down to bare metal and doing some chrome plating. dunno yet  I'll make a seprate post as the time gets closer. 


----- Original Message -----
From: Phil Brutsche <phil at brutsche.us>
Date: Thu, 26 Aug 2004 10:12:24 -0500
To: Omaha Linux User Group <olug at olug.org>
Subject: Re: [olug] built in RAID vs Indi RAID controlers

> Ben Dinger wrote:
> > If you go scsi, there is only one word: Adaptec :).  
> 
> Several problems with Adaptec:
> 
> 1) Expensive, particularly when compared to the excellent LSI Logic
> cards
> 
> 2) When you get into SCSI RAID you start noticing compatibility issues
> with Adaptec that don't happen with LSI Logic. I have a pair of Adaptec
> aacraid cards (a Dell PERC2 quad channel Ultra2 card and an Adaptec 
> 2120S single-channel Ultra320 card) that simply will not work in anyting 
> with a Via chipset, regardless of CPU.
> 
> 3) Their plain SCSI cards are great (I have a number of 29160s), but
> their RAID cards are another story.  LSI Logic MegaRAID cards have been
> well-supported under Linux since before Adaptec started buying out their
> competitors in the SCSI RAID arena (this was back in 1998 & 1999 & 2000).
> 
> Adaptec is still working out their driver issues, despite having their 
> driver in-kernel for several years now (as of 2.4.25 the in-kernel 
> aacraid driver panics if you hot-plug a drive one too many times, 
> although that could've been an artifact of the ancient firmware the card 
> was running at the time).
> 
> The difference between their management utilities is like night & day.
> 
> Oh, wait, did I mention that these superior (from my perspective, at 
> least) MegaRAID cards are cheaper?
> 
> Um, OK most of that is specific to their RAID offerings.  If you're not 
> using hardware RAID cards one is just as good as the other, although 
> point #1 still applies.
> 
> -- 
> 
> Phil Brutsche
> phil at brutsche.us
> sometimes brain dumps are good for everyone's benefit, however 
> opinionated the content may be
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> OLUG at olug.org
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