RAID performance problems

Kevin O Connor kevin at rainford.org.uk
Sat Jan 25 11:33:53 GMT 2003


You need to use the setup utility supplied with the card under advanced 
options there is such a feature
www.lsilogic.com/techlib/techdocs/storage_stand_prod/megaraid/index.html
you will need to create an account to access the info but it's all there
regards
Kevin

---------- Original Message -----------
From: Dimitris <sehh at altered.com>
To: "Kevin O Connor" <kevin at rainford.org.uk>
Sent: Sat, 25 Jan 2003 01:30:58 +0000
Subject: Re: RAID performance problems

> On Sat, 25 Jan 2003 00:48:41 +0000 "Kevin O Connor" 
> <kevin at rainford.org.uk> wrote:
> 
> > just a though but has the card been set to optimize reads. I don't know 
this 
> > particular RAID card but most have the ability to use the memory to 
optimism 
> > read write or a balance of both
> > Kevin
> 
> I am not aware of such an option. The only performance options are:
> 
> Direct I/O or Cached I/O
> Write Through or Write Back
> ReadAhead or No readahead or Adaptive readahead
> 
> I tried several different combinations, but i could only make things 
> worse.
------- End of Original Message -------





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