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RE: [dm-devel] Need Help



This is what is happening as soon as the system comes up. 

There are no multipathing devices created. Once I run the multipath
command only then the /dev/mpath/mpath# devices get created. It looks
like I am missing some thing when the system boots up. The system has
the multipathd start up script in /etc/rc3.d. 

Any suggestions?

[root x ~]# cd /dev/mpath
-bash: cd: /dev/mpath: No such file or directory
[root x ~]# cd /dev/mapper
[root x mapper]# ls
control  oracle-app  oracle-redo1  oracle-redo2  os-home  os-opt  os-tmp
os-usr  os-var
[root x mapper]# multipath
create: mpath4 (3600508b40010541d00009000065a0000)
[size=10 GB][features="0"][hwhandler="0"]
\_ round-robin 0 [prio=100]
 \_ 1:0:1:1 sde 8:64  [ready]
 \_ 2:0:1:1 sdi 8:128 [ready]
\_ round-robin 0 [prio=20]
 \_ 1:0:0:1 sdc 8:32  [ready]
 \_ 2:0:0:1 sdg 8:96  [ready]

create: mpath5 (3600508b40010541d00009000065d0000)
[size=90 GB][features="0"][hwhandler="0"]
\_ round-robin 0 [prio=100]
 \_ 1:0:0:2 sdd 8:48  [ready]
 \_ 2:0:0:2 sdh 8:112 [ready]
\_ round-robin 0 [prio=20]
 \_ 1:0:1:2 sdf 8:80  [ready]
 \_ 2:0:1:2 sdj 8:144 [ready]

[root x mapper]# ls
control  mpath4  mpath5  oracle-app  oracle-redo1  oracle-redo2  os-home
os-opt  os-tmp  os-usr  os-var
[root x mapper]#

-----Original Message-----
From: dm-devel-bounces redhat com [mailto:dm-devel-bounces redhat com]
On Behalf Of Nath, Varun
Sent: Thursday, January 17, 2008 2:46 PM
To: device-mapper development
Subject: RE: [dm-devel] Need Help

I am also getting these errors when I try to access those LUNs

Jan 17 14:39:29 x kernel: device-mapper: dm-multipath: error getting
device
Jan 17 14:39:29 x kernel: device-mapper: error adding target to table

-----Original Message-----
From: dm-devel-bounces redhat com [mailto:dm-devel-bounces redhat com]
On Behalf Of Nath, Varun
Sent: Thursday, January 17, 2008 2:39 PM
To: device-mapper development
Subject: RE: [dm-devel] Need Help

[root x init.d]# /etc/init.d/multipathd status
multipathd (pid 4563) is running...
[root x init.d]# /etc/init.d/multipath status
-bash: /etc/init.d/multipath: No such file or directory
[root x init.d]# /etc/init.d/ multipath status
-bash: /etc/init.d/: is a directory
[root x init.d]#

-----Original Message-----
From: dm-devel-bounces redhat com [mailto:dm-devel-bounces redhat com]
On Behalf Of malahal us ibm com
Sent: Thursday, January 17, 2008 2:36 PM
To: dm-devel redhat com
Subject: Re: [dm-devel] Need Help

Pradipmaya Maharana [pradipmaya gmail com] wrote:
> Run the following:
> 
> # chkconfig multipathd on
> # /etc/init.d/ multipath status

The second command actually is "/etc/init.d/multipathd status"
to get the status of the given rc script (multipathd in this case)

--Malahal.

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