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kankan55 05-22-2013 01:06 AM
multipath -ll output
 
Quick question here.

Why multipath -ll still show an output (see below) even multipathd service stop. The /etc/multipath.conf is exist. And why dm_multipath module is loaded even its service stop.


Quote:
# multipath -ll
3600508b1001037383941424344450700 dm-2 HP,LOGICAL VOLUME
size=279G features='0' hwhandler='0' wp=rw
`-+- policy='round-robin 0' prio=1 status=active
`- 0:0:0:1 sdb 8:16 active ready running
I am really confused. Thank you.

jdkaye 05-23-2013 11:22 AM
I have no "multipath" command on my system, Debian testing AMD64 with a 3.8-13.dmz.1-liquorix-amd64 kernel. Would you care to tell us something about your system or would you prefer that we guess?
jdk

bloodstreetboy 05-25-2013 08:00 AM
The output of
Quote:
$ multipath -ll
should be like this.
Quote:
May 25 18:27:51 | DM multipath kernel driver not loaded
May 25 18:27:51 | /etc/multipath.conf does not exist, blacklisting all devices.
May 25 18:27:51 | A sample multipath.conf file is located at
May 25 18:27:51 | /usr/share/doc/device-mapper-multipath-0.4.9/multipath.conf
May 25 18:27:51 | You can run /sbin/mpathconf to create or modify /etc/multipath.conf
May 25 18:27:51 | DM multipath kernel driver not loaded
when you run
Quote:
$ /sbin/mpathconf
It gives output this.
Quote:
multipath is enabled
find_multipaths is disabled
user_friendly_names is enabled
dm_multipath module is not loaded
multipathd is chkconfiged off

kankan55 06-11-2013 03:26 AM
The OS version is OL6.3 64 bit.
I know that by default the file /etc/multipath.conf does not exist. The output would be the same as bloodstreetboy has mentioned.

Quote:
The output of
$ multipath -ll
should be like this.

May 25 18:27:51 | DM multipath kernel driver not loaded
May 25 18:27:51 | /etc/multipath.conf does not exist, blacklisting all devices.
May 25 18:27:51 | A sample multipath.conf file is located at
May 25 18:27:51 | /usr/share/doc/device-mapper-multipath-0.4.9/multipath.conf
May 25 18:27:51 | You can run /sbin/mpathconf to create or modify /etc/multipath.conf
May 25 18:27:51 | DM multipath kernel driver not loaded
But for my scenario, I've already prepared the file /etc/multipath.conf but the service multipathd is still OFF.
My question is why multipath -ll still show an output (see below) even multipathd service stop.

You can try reproducing what I'm saying.


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