[CentOS] Software RAID complete drives or individual partitions

Chris Weisiger cweisiger at bellsouth.net
Wed Mar 6 01:18:42 UTC 2013


I essentially configured the software raid to create a home server and not have to worry about individual drives. I've built a collection of several several gigs of music and pictures. Enough to look into a raid system. Plus it is alot cheaper than a hardware raid setup.
Plus I want to do testing with it to possible use it for some of the clients that the business I work for do work for for basic file server services


-----Original Message-----
From: Mark LaPierre
Sent: 3/5/2013 6:27 PM
To: centos at centos.org
Subject: Re: [CentOS] Software RAID complete drives or individual partitions

On 03/04/2013 10:53 PM, Chris Weisiger wrote:
> I have been reading about software raid. I configured my first software raid system about a month ago.
>
> I have 4 500 Gig drives configured in RAID 5 configuration with a total of 1.5TB.
>
> Currently I configured the complete individual drivers as software raid, then created a /dev/md0 with the drives
>
> I then created a /file_storage partition on /dev/md0.
>
> I created my /boot / and swap partitions on a non raid drive in my system.
>
> Is the the proper way to configure software raid?
> _______________________________________________

Hey Chris,

What you have done is a totally acceptable way of building a raid array.

Software raid on Linux is amazingly flexible.  It is able to build 
arrays on individual matching drives as you have done, drives of 
different physical sizes, a combination physical drives and partitions 
on other drives, or a combination of partitions on different drives.  It 
can even build a raid array on several partitions on one physical drive, 
not that you would ever want to do that.

In other words, if you can dream it up, software raid can probably build 
it.  The question is why are you using raid at all?  If you are trying 
to increase access speed or data security then raid makes sense.  The 
appropriate configuration depends on your available resources and the 
nature of your intent.



-- 
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    ^ ^  Mark LaPierre
Registered Linux user No #267004
https://linuxcounter.net/
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