Large raid arrays

[Frederique Rijsdijk]

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