Re: raid10??

With mdadm you can make RAID10, is there a problem here I just don't see?

my mdadm.conf has this for one server with 4 500GB disks, md0 is 1 TB.

ARRAY /dev/md0 level=raid10 num-devices=4 UUID=9fbd86dc:518e4bf3:c0ae5f04:5c65c500

Roberto C. Sánchez wrote:
> On Tue, Jan 29, 2008 at 05:23:25AM +0100, randall wrote:
>
>> i have just installed with the debian installer making 2 x raid1 and
>> then glueing them together with LVM
>> 256 MB /boot raid 1 (on all 4 disks)
>> 10 GB /root raid1 + lvm
>> 1 GB /swap raid1 + lvm
>> 500 GB unused raid1 + lvm
>>
>> (i wasn't very sure what to do about the swap but i think this means
>> slower but securer in a case of crashing)
>>
>> till so far the performance feels pretty snappy but i still have to do
>> some benchmarking and remove a few random disks to see what happens.
>>
>> anybody ever reliably used a set up like this in production?
>>
>>
> I run a similar setup on many production servers. On one, for example,
> I have four disks. I create two RAID1 arrays, /dev/md0 and /dev/md1.
> Then I create a LVM volume group, adding both /dev/md0 and /dev/md1 as
> physical volumes. Then I create whatever logical volumes I want. It
> works very well.
>
> Regards,
>
> -Roberto
>
>

-- 
Hector Gonzalez
cacho@genac.org
http://www.genac.org


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