I am trying to create multiple logical volumes (more than 2000) on volume group. In this process, I have seen that "lvcreate" command will fail to create logical volume with message "metadata too large for circular buffer".

On googling, I understood that this is due to insufficient "pvmetadatasize" value on each disk which are part of volume group.

I am interested in understanding the relation between the value of pvmetadatasize and the count of logical volumes which can be created.

Is there any command output from which I can sense the above info OR any command to monitor pvmetadatasize ?

  • Check this one superuser.com/questions/896700/… – Bharat Apr 16 '18 at 9:46
  • Though the volume group has sufficient memory, with my experiments I have seen that lvcreate fails due to insufficient metadata information. I was wondering if there is any mechanism from which I can determine how much metadata I should allocate using pvcreate so that my maximum number of logical volumes are created. – user7290726 Apr 16 '18 at 14:45

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