[CentOS] Karanbir's disks (was: openfiler )

Christopher Chan christopher.chan at bradbury.edu.hk
Wed Oct 21 01:55:38 UTC 2009


Alan McKay wrote:
> On Tue, Oct 20, 2009 at 6:14 PM, Karanbir Singh <mail-lists at karan.org> wrote:
>   
>> I have this running in production. only not with 2 machines, but with 4
>> machines, doing raid-10 ( not mdraid10, but conventional 2 sets of
>> raid-1's 0'd )
>>     
>
> Can you give more detail on what you've got there?
> Sounds interesting.
>
>   


...four disk setup like so:

sda+sdb = md0 (raid 1)
sdc + sdb = md1 (raid 1)
md0 + md1 = md2 (raid 0)


A pretty common setup that was possible during installation since RH9 
(not all through anaconda though, older distros needed some manual 
command line intervention using Alt-F2 for a shell)


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