[PVE-User] (Unsupported) SoftRAID on multipath

Gilles Mocellin gilles.mocellin at nuagelibre.org
Tue Nov 26 01:34:11 CET 2013

Le 25/11/2013 17:20, Eneko Lacunza a écrit :
> Hi all,
> Maybe this question belongs to a debian administrator's list, but I 
> thought someone could have some experience with this, and it could be 
> of interest to other users.
> We have a Proxmox node with a directory storage:
>      - The directory is a mountpoint for a SoftRAID (RAID1) device, 
> with 2 devices. (md0)
>         * Device one is a local disk (sdb)
>         * Device two is a multipath network iSCSI disk (dm-3)
> When the server boots up, md0 is degraded because it couldn't find dm-3.
> I have looked to mdraid and multipath init scripts and it seems that 
> multipath is trying to start multipath devices before networking is up.
> Has someone had this issue?
> Thanks a lot
> Eneko

You should force multipath to run (or re-run) after open-iscsi is started.
I would try to add a boot dependandcy in /etc/init.d/multipath-tools, to 
start after open-iscsi.
Same thing with /etc/init.d/mdadm-raid, to start after multipath-tools.

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