Re: [Xen-API] XCP 1.6 DM multipath kernel driver not loaded

["Luca Bianchi" <luca.bianchi@xxxxxxxxxx>]

Hi Adam

You can  create a /etc/rc.modules with exec permission and add command
to load modules at startup
modprobe multipath
modprobe dm_multipath

Luca

-----Original Message-----
From: Adam Chasen [mailto:adam@xxxxxxxxxxx] 
Sent: Tuesday, December 11, 2012 9:03 PM
To: Xen-api@xxxxxxxxxxxxx
Cc: Luca Bianchi
Subject: Re: XCP 1.6 DM multipath kernel driver not loaded

Did you ever resolve the multipath module issue? I have the same issue
(no multipath kernel module) with a DotHill DH3000 iSCSI unit. This
could be a limitation of my understand of the way XCP handles the DM
multipathing.

I am using XCP version 1.6.10, build 61809c and would like to enable
multipathing with my iscsi VDI-per-LUN setup.
Even after setting other-config:multipathing=true and
other-config:multipathhandle=dmp, the dm-multipath kernel module is not
loaded by default.

Of note is that there is no entry in multipath.conf for the DotHill.
Adding an entry did not affect kernel module loading. When manually
loading the kernel module, it mpathcli appears to work when multipath
devices are added manually.

Thanks,
Adam

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