Mulitpath user-friendly name is correct

Operating Systems Linux Red Hat Mulitpath user-friendly name is correct

05-20-2013

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Mulitpath user-friendly name is correct

We have device mapper multipath configured. multipath -ll is showing things correctly. But when ever we are executing lvm related command, say pvs, it is showing /dev/mpath/<wwid> number instead of expected /dev/mpath/mpathX as follows -
/dev/mpath/360060e801603c800000103c800002b22

Here, user_friendly_names is not working as expected.

But in another server, with same /etc/multipath.conf setting, we could see multipath device as follows -
/dev/mpath/mpath9

Please help me, where could be the mistake?

Thank you very much.

Last edited by atanubanerji; 05-21-2013 at 07:27 AM.. Reason: The information was not appropriate

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LEARN ABOUT LINUX

kpartx

KPARTX(8)                                                  Linux Administrator's Manual                                                  KPARTX(8)

NAME

       kpartx - Create device maps from partition tables

SYNOPSIS

       kpartx [-a | -d | -l] [-v] wholedisk

DESCRIPTION

       This  tool,  derived  from  util-linux'  partx,  reads partition tables on specified device and create device maps over partitions segments
       detected. It is called from hotplug upon device maps creation and deletion.

OPTIONS

       -a     Add partition mappings

       -r     Readonly partition mappings

       -r     Read-only partition mappings

       -d     Delete partition mappings

       -u     Update partition mappings

       -l     List partition mappings that would be added -a

       -p     set device name-partition number delimiter

       -f     force creation of mappings; overrides 'no_partitions' feature

       -g     force GUID partition table (GPT)

       -v     Operate verbosely

       -s     Sync mode. Don't return until the partitions are created

EXAMPLE

       To mount all the partitions in a raw disk image:

              kpartx -av disk.img

       This will output lines such as:

              loop3p1 : 0 20964762 /dev/loop3 63

       The loop3p1 is the name of a device file under /dev/mapper which you can use to access the partition, for example to fsck it:

              fsck /dev/mapper/loop3p1

       When you're done, you need to remove the devices:

              kpartx -d disk.img

SEE ALSO

       multipath(8) multipathd(8) hotplug(8)

AUTHORS

       This man page was assembled By Patrick Caulfield for the Debian project. From documentation provided by  the  multipath  author  Christophe
       Varoqui, <christophe.varoqui@opensvc.com> and others.

                                                                     July 2006                                                           KPARTX(8)

Red Hat