[Beowulf] OT: Software RAID & Multipath

Leif Nixon nixon at nsc.liu.se
Wed Jan 10 03:45:45 EST 2007


Chris Samuel <csamuel at vpac.org> writes:

> On Tuesday 09 January 2007 23:35, Leif Nixon wrote:
>
>> I suspect this is deprecated these days, but I have handled situations
>> like this by using the *MD* multipath support instead. Then you can
>> explicitly define your multipath devices and stripe them together, all
>> in /etc/mdadm.conf.
>
> I don't think it's deprecated at all, but I don't believe that mdadm.conf is 
> used like that these days, it's generally just done with the mdadm --create 
> command lines I believe..

For some combinations of kernels, HBA drivers and Red Hat initscripts,
mdadm's automatic assembly has failed for me, so I tend to define RAID
devices explicitly.

-- 
Leif Nixon                       -            Systems expert
------------------------------------------------------------
National Supercomputer Centre    -      Linkoping University
------------------------------------------------------------
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