[rhelv6-list] MD devices lost after boot

[Brian Long]

On Sep 27, 2012, at 3:05 AM, Roth, Sandro wrote:

> Hi experts
>  
> I wasn’t sure where to post this so I’m sending it to this list.
>  
> We have a setup which uses lvm over md over multipath devices. (at least that’s the plan)
> According to this article it is supported in RHEL6 (it wasn’t in RHEL5)
> https://access.redhat.com/knowledge/solutions/48634
>  
> I created my md device as follows
> # mdadm --create --verbose /dev/md0 --level=1 --raid-devices=2 /dev/mapper/mpatha /dev/mapper/mpathb

Do /dev/mapper/mpatha and mpathb have partition type of "fd - Linux RAID auto"?  If not, they won't be set up properly when booting the server.

/Brian/
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