sybperl-l Archive

From: "Erich Beyrent" <Erich dot Beyrent at chron dot com>
Subject: Re: Question about RAID levels using Sybase 11.9.2....
Date: Jul 7 2000 12:08PM

I don't know about what the most common RAID configuration is, but I have
only seen RAID-1 used with Sybase.


----- Original Message -----
From: "Robert Banniza" 
To: "SybPerl Discussion List" 
Sent: Thursday, July 06, 2000 9:15 PM
Subject: Question about RAID levels using Sybase 11.9.2....


> Guys,
> I have a question here and I don't mean to start a religuous RAID war
> either. I got into a discussion with my company's data center manager the
> other day and we started talking about RAID. One thing led to another and
I
> told him that I was going to build a particular Sybase installation using
> RAID-5 on a Sun E450 (using the built in hardware RAID controller). The
next
> thing I know, this guy starts telling me how stupid of an idea this is and
> the only way to build a database installation is using RAID-1. In the
shops
> that I have worked in as either a programmer or sysadmin. in the past, we
> have always used RAID-5. I did my research and several sites were pointing
> to using RAID 0+1 (striping+mirroring). Can someone tell me what RAID
level
> most Sybase shops use? This particualr Sybase installation will be writing
> from some big files with more a lot of reading (BulkStats project). Either
> way, I would appreciate any information as I want to know the best way to
do
> this and the reasoning behind it. I'm looking for ease of data recovery
and
> performance whilst configuring my RAID levels. Thanks for any help.
>
> Robert
>
> P.S. I know this is a Linux/Sybperl list but I have gotten some great
> information in the past from here.
>