[dm-devel] multipathd: error calling out mpath_prio_hds_modular

[Craig Simpson]

I put a symlink in / 
ln -s  /sbin/mpath_prio_hds_modular mpath_prio_hds_modular

But it still has the error. 

Where would I edit my /etc/multipath.conf to set this? 

Thanks!
Craig

-----Original Message-----
From: dm-devel-bounces at redhat.com [mailto:dm-devel-bounces at redhat.com]
On Behalf Of malahal at us.ibm.com
Sent: Friday, May 16, 2008 2:02 PM
To: dm-devel at redhat.com
Subject: Re: [dm-devel] multipathd: error calling out
mpath_prio_hds_modular

The multipathd tried calling mpath_prio_hds_modular program but it could
not find it! There is a bug in some version of RHEL where multipath has
"mpath_prio_hds_modular" instead of "/sbin/mpath_prio_hds_modular".
Update your multipath tools package or fix it in your
/etc/multipath.conf (this requires some careful modifications!)

--Malahal.
PS: since execv looks for your executable file in the 'cwd', you can
probably make it work by just copying /sbin/mpath_prio_hds_modular to
/mpath_prio_hds_modular (I am assuming that multipathd daemon makes "/"
as it ***home*** before calling this.)

Craig Simpson [csimpson at visto.com] wrote:
> 
> My RedHat 5.1 ES server (actually it is that but rebranded as Oracles
> latest Linux) is  logging this in /var/log/message all the time. 
> 
> It is attached to a Hitachi SAN device. 
> 
> All seems to be working OK, but these errors go on and on. 
> 
> Don't get what they mean?
> 
> May 16 19:48:01 wpe01 multipathd: error calling out
> mpath_prio_hds_modular 65:0
> May 16 19:48:01 wpe01 multipathd: error calling out
> mpath_prio_hds_modular 65:16
> May 16 19:48:01 wpe01 multipathd: error calling out
> mpath_prio_hds_modular 65:32
> May 16 19:48:01 wpe01 multipathd: error calling out
> mpath_prio_hds_modular 65:48
> May 16 19:48:01 wpe01 multipathd: error calling out
> mpath_prio_hds_modular 65:64
> May 16 19:48:01 wpe01 multipathd: error calling out
> mpath_prio_hds_modular 65:80
> May 16 19:48:01 wpe01 multipathd: error calling out
> mpath_prio_hds_modular 8:0
> May 16 19:48:01 wpe01 multipathd: error calling out
> mpath_prio_hds_modular 8:16
> May 16 19:48:01 wpe01 multipathd: error calling out
> mpath_prio_hds_modular 8:32
> May 16 19:48:01 wpe01 multipathd: error calling out
> mpath_prio_hds_modular 8:48
> 
> 
> Craig
> 
> --
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