Configuring your Environment for Software RAID

Creating Volume Groups and Configuring VG Exclusive Activation on the MD Mirror

Found duplicate PV 9w3TIxKZ6lFRqWUmQm9tlV5nsdUkTi4i: using /dev/sde not /dev/sdf

With this error, you cannot create a new volume group on /dev/md0. As a result, you must create a filter for LVM. To create a filter, add the following line in the /etc/lvm/lvm.conf file:

filter = [ "r/dev/cdrom","r/dev/hpdev/md0_mirror0", "r/dev/hpdev/md0_mirror1" ]

where /dev/hpdev/md0_mirror0 and /dev/hpdev/md0_mirror1 are the persistent device names of the devices /dev/sde and /dev/sdf respectively.

NOTE

When adding the filter, ensure that you use the persistent names of all

 

the devices used in the mirrors.

 

 

This prevents these mirror devices from being scanned or used for logical volumes. You have to reload LVM with /etc/init.d/lvm force-reload.

Once you add the filter to the /etc/lvm/lvm.conf file, create the logical volume infrastructure on the MD mirror device as you would on a single disk. For more information on creating volume groups and logical volumes, see the latest edition of the Managing HP Serviceguard 11.16 for Linux at http://docs.hp.com/en/ha.html#Serviceguard for

Linux

Chapter 3

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