[CentOS] mdraid on top of mdraid

Mon Mar 21 19:09:41 UTC 2011
Rudi Ahlers <Rudi at SoftDux.com>

On Mon, Mar 21, 2011 at 7:51 PM, Emmanuel Noobadmin
<centos.admin at gmail.com> wrote:
> Is it possible or will there be any problems with using mdraid on top of mdraid?
>
> specifically say
> mdraid 1/5 on top of mdraid multipath.
>
> e.g. 4 storage machines exporting iSCSI targets via two different
> physical network switches
>
> then use multipath to create md block devices
> then use mdraid on these md block devices
>
> The purpose being the raid storage array surviving a physical network
> switch failure.
>
> In case of duplicates, for some reason the first post isn't showing up
> on the mailing list so I'm resending it.
> _______________________________________________


Since your exporting the storage as iSCSI, the host machine will see
it as a raw disk, irrespective of how it's setup on the exported
server. So, yes, you can do this.

-- 
Kind Regards
Rudi Ahlers
SoftDux

Website: http://www.SoftDux.com
Technical Blog: http://Blog.SoftDux.com
Office: 087 805 9573
Cell: 082 554 7532
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