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Old 01-17-2008, 07:45 PM
"Nath, Varun"
 
Default 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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Old 01-17-2008, 07:46 PM
"Nath, Varun"
 
Default Need Help

I already tried couple of times

-----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 2:44 PM
To: dm-devel@redhat.com
Subject: Re: [dm-devel] Need Help

Nath, Varun [varun.nath@amd.com] wrote:
> Yes that script is there.

Run "chkconfig multipathd on" and reboot as Pradipmaya suggested.

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Old 01-17-2008, 08:10 PM
"Nath, Varun"
 
Default 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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Old 01-17-2008, 08:12 PM
"Pradipmaya Maharana"
 
Default Need Help

Ok. Let me go step-wise.

First problem was multipath was not getting loaded at boot time, hence
you had to run multipath after every boot.
With the earlier suggestion, is this problem now gone?

Thanks,
Pradipmaya.


On Jan 17, 2008 12:45 PM, Nath, Varun <varun.nath@amd.com> wrote:
> 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.
>
> --
> dm-devel mailing list
> dm-devel@redhat.com
> https://www.redhat.com/mailman/listinfo/dm-devel
>
>
>
>
>
> --
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> dm-devel@redhat.com
> https://www.redhat.com/mailman/listinfo/dm-devel
>
>
>
>
>
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> https://www.redhat.com/mailman/listinfo/dm-devel
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Old 01-17-2008, 08:13 PM
"Nath, Varun"
 
Default Need Help

Nopes. I still have to run the multipath command to see the LUNs.

-----Original Message-----
From: dm-devel-bounces@redhat.com [mailto:dm-devel-bounces@redhat.com]
On Behalf Of Pradipmaya Maharana
Sent: Thursday, January 17, 2008 3:12 PM
To: device-mapper development
Subject: Re: [dm-devel] Need Help

Ok. Let me go step-wise.

First problem was multipath was not getting loaded at boot time, hence
you had to run multipath after every boot.
With the earlier suggestion, is this problem now gone?

Thanks,
Pradipmaya.


On Jan 17, 2008 12:45 PM, Nath, Varun <varun.nath@amd.com> wrote:
> 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.
>
> --
> dm-devel mailing list
> dm-devel@redhat.com
> https://www.redhat.com/mailman/listinfo/dm-devel
>
>
>
>
>
> --
> dm-devel mailing list
> dm-devel@redhat.com
> https://www.redhat.com/mailman/listinfo/dm-devel
>
>
>
>
>
> --
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> dm-devel@redhat.com
> https://www.redhat.com/mailman/listinfo/dm-devel
>

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Old 01-17-2008, 08:34 PM
Chandra Seetharaman
 
Default Need Help

On Thu, 2008-01-17 at 15:10 -0600, Nath, Varun wrote:
> 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.

What does "chkconfig --list multipathd" show ?

And what is default level you boot to (i.e what is initdefault
in /etc/inittab) ?

>
> Any suggestions?
>

<snip>

--

----------------------------------------------------------------------
Chandra Seetharaman | Be careful what you choose....
- sekharan@us.ibm.com | .......you may get it.
----------------------------------------------------------------------


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Old 01-17-2008, 08:37 PM
"Nath, Varun"
 
Default Need Help

Default boot level is 3

[root@x ~]# chkconfig multipathd --list
multipathd 0ff 1ff 2n 3n 4n 5n 6ff
[root@x ~]# who -r
run-level 3 Jan 17 15:04 last=S
[root@ausb3ndadbp02 ~]#

-----Original Message-----
From: dm-devel-bounces@redhat.com [mailto:dm-devel-bounces@redhat.com]
On Behalf Of Chandra Seetharaman
Sent: Thursday, January 17, 2008 3:34 PM
To: device-mapper development
Subject: RE: [dm-devel] Need Help

On Thu, 2008-01-17 at 15:10 -0600, Nath, Varun wrote:
> 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.

What does "chkconfig --list multipathd" show ?

And what is default level you boot to (i.e what is initdefault
in /etc/inittab) ?

>
> Any suggestions?
>

<snip>

--

----------------------------------------------------------------------
Chandra Seetharaman | Be careful what you choose....
- sekharan@us.ibm.com | .......you may get it.
----------------------------------------------------------------------


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Old 01-17-2008, 09:43 PM
"Pradipmaya Maharana"
 
Default Need Help

I am not sure it it will help here but could you try this:

1. rename the exisiting multipath.conf to something (say multipath.conf.org)
2. create a new /etc/multipath.conf (blank file, do not copy it from
other multipath.conf.* files)
3. Copy the following content into it:
defaults {
user_friendly_names yes
selector "round-robin 0"
}

devnode_blacklist {
wwid 3600508e000000000ed7fb52911133c06
devnode "^(ram|raw|loop|fd|md|sr|scd|st)[0-9]*"
devnode "^hd[a-z]"
}
4. reboot
5. lsmod | grep dm (it must show dm-multipath loaded)
6. run multipath -ll

We had a similar issue where the multipath.conf file won't be read
whatever you do, bu it went away after creating a new file (instead of
copying). Though weird, worth giving it a try.

Regards,
Pradipmaya.

On Jan 17, 2008 1:37 PM, Nath, Varun <varun.nath@amd.com> wrote:
> Default boot level is 3
>
> [root@x ~]# chkconfig multipathd --list
> multipathd 0ff 1ff 2n 3n 4n 5n 6ff
> [root@x ~]# who -r
> run-level 3 Jan 17 15:04 last=S
> [root@ausb3ndadbp02 ~]#
>
> -----Original Message-----
> From: dm-devel-bounces@redhat.com [mailto:dm-devel-bounces@redhat.com]
> On Behalf Of Chandra Seetharaman
> Sent: Thursday, January 17, 2008 3:34 PM
> To: device-mapper development
> Subject: RE: [dm-devel] Need Help
>
>
> On Thu, 2008-01-17 at 15:10 -0600, Nath, Varun wrote:
> > 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.
>
> What does "chkconfig --list multipathd" show ?
>
> And what is default level you boot to (i.e what is initdefault
> in /etc/inittab) ?
>
> >
> > Any suggestions?
> >
>
> <snip>
>
> --
>
> ----------------------------------------------------------------------
> Chandra Seetharaman | Be careful what you choose....
> - sekharan@us.ibm.com | .......you may get it.
> ----------------------------------------------------------------------
>
>
> --
> dm-devel mailing list
> dm-devel@redhat.com
> https://www.redhat.com/mailman/listinfo/dm-devel
>
>
>
>
>
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Old 01-21-2008, 04:37 PM
"Nath, Varun"
 
Default Need Help

Hi,

I finally have a solution to this. We had the module for the QLA card
missing in the /etc/modprobe.conf

Also, for the HP EVA we are using, we had to add that in the
/etc/multipath.conf.

Thanks to all for the help.

-Varun

-----Original Message-----
From: dm-devel-bounces@redhat.com [mailto:dm-devel-bounces@redhat.com]
On Behalf Of Nath, Varun
Sent: Thursday, January 17, 2008 3:14 PM
To: device-mapper development
Subject: RE: [dm-devel] Need Help

Nopes. I still have to run the multipath command to see the LUNs.

-----Original Message-----
From: dm-devel-bounces@redhat.com [mailto:dm-devel-bounces@redhat.com]
On Behalf Of Pradipmaya Maharana
Sent: Thursday, January 17, 2008 3:12 PM
To: device-mapper development
Subject: Re: [dm-devel] Need Help

Ok. Let me go step-wise.

First problem was multipath was not getting loaded at boot time, hence
you had to run multipath after every boot.
With the earlier suggestion, is this problem now gone?

Thanks,
Pradipmaya.


On Jan 17, 2008 12:45 PM, Nath, Varun <varun.nath@amd.com> wrote:
> 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.
>
> --
> dm-devel mailing list
> dm-devel@redhat.com
> https://www.redhat.com/mailman/listinfo/dm-devel
>
>
>
>
>
> --
> dm-devel mailing list
> dm-devel@redhat.com
> https://www.redhat.com/mailman/listinfo/dm-devel
>
>
>
>
>
> --
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> dm-devel@redhat.com
> https://www.redhat.com/mailman/listinfo/dm-devel
>

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Old 06-22-2008, 04:23 AM
"Danishka Navin"
 
Default Need help

Hi All,

I would like to know how we can serve Education System of a county using our Fedora products.
ex: Fedora Localized Spins,etc

Welcome your ideas, stories and case studies.
--

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