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Message-ID: <4975B4E5.7000609@isafeelin.org>
Date: Tue, 20 Jan 2009 12:26:29 +0100
From: Frederique Rijsdijk <frederique@isafeelin.org>
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To: Matias Surdi <matiassurdi@gmail.com>
References: <gl4auv$pdd$1@ger.gmane.org> <gl4bce$pdd$2@ger.gmane.org>
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Cc: freebsd-questions@freebsd.org
Subject: Re: Large raid arrays
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Matias Surdi wrote:
> Matias Surdi escribió:
>> Hi,
>>
>> I've a host with two large (2Tb and 4 Tb) hardware raid5 arrays.
>>
>> For the backup system we are using, I need to join them to make 1
>> logical device.
>>
>> What would you recomment? ccd or vinum?
>>
>> 
> Some comments that may help in the decision:
> 
> - Reliability/resistance to power failures are the most important factor.
> 
> - It doesn't require high performance or high speed.
> 

Either gconcat or ZFS, depending which version of FreeBSD you're running.

gconcat label -v data /dev/raid1 /dev/raid2
newfs /dev/concat/data
mkdir /mnt/data && mount /dev/concat/data /mnt/data
df -h /mnt/data

or

zpool create data /dev/raid1 /dev/raid2
df -h /data



-- Frederique