[ale] motherboard RAID versus software RAID

[Greg]

Source Control (subversion or cvs) will take care of oops moments when you
have to turn back time ... that or backups.  RAID is for increasing the
reliability of hard drives.

I would strongly suggest folks stay away from the poor man's RAID - mainly
onboard Promise controllers that run it through the BIOS and suck up system
resources.  I think that some cards do this also.  I would suggest using
3Ware or LSI cards if you really want to keep the data around.  OpenBSD now
fully supports the LSI cards and 3Ware supports Linux just fine.  I really
like their web control / information app.  I have used software RAID (5)
fine for a long time at home on Debian until an upgrade broke some things.

Greg 

-----Original Message-----
From: ale-bounces at ale.org [mailto:ale-bounces at ale.org] On Behalf Of Mike
To: ale at ale.org
Harrison
Sent: Saturday, January 21, 2006 10:27 AM
To: Atlanta Linux Enthusiasts
Subject: Re: [ale] motherboard RAID versus software RAID

> Interesting comparison, but you left out FakeRAID.  (Seriously this is 
> not a joke.)

And what I tell people is 'Asynchronous RAID'
having 1 (or more) identitical or larger drives in that same system that get
rsync'd daily and some portions more often.

I've had far more problems with data loss (rm -r -f * {Oh $Diety!}) or the
need to go back to yesterdays code than I have with hard drive failure. 

And when setup right, the rsync'd drive is bootable and can either be a live
system, or can be quickly by copying some files around. - Which has also
saved my buns.

You can also mix true RAID (hardware or software) with this thought.. 


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