[CentOS] mdraid on top of mdraid

Emmanuel Noobadmin centos.admin at gmail.com
Mon Mar 21 19:21:22 UTC 2011

> 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.

Sorry for my ambiguity, I meant that mdadm would be on the host machine.

e.g. Using just a 2 node, raid 1 situation
Storage 1
-> Disk exported on,

Storage 2
-> Disk exported on,

-> mdadm multipath md0 =,
-> mdadm multipath md1 =,
---> mdadm raid 1 md2 using md0 md1
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