Hello List, I created a md device, and used pvcreate to format it. But the pvcreate was failed with filter rules. the filter in /etc/lvm/lvm.conf: ``` filter = [ "r|/dev/.*/by-path/.*|", "r|/dev/.*/by-id/.*|", "r|/dev/fd.*|", "r|/dev/cdrom|" ] ``` if I remove the filter, pvcreate will be successful. why?
steps: ``` # rpm -qa | grep lvm2 lvm2-2.02.180-10.el7_6.7.x86_64 lvm2-libs-2.02.180-10.el7_6.7.x86_64 # dd if=/dev/zero of=/dev/sda bs=1M ... ... # dd if=/dev/zero of=/dev/sdb bs=1M ... ... # mdadm -C /dev/md0 -l 0 -n 2 -a yes /dev/sda /dev/sdb mdadm: Defaulting to version 1.2 metadata mdadm: array /dev/md0 started # lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 0 256M 0 disk └─md0 9:0 0 508M 0 raid0 sdb 8:16 0 256M 0 disk └─md0 9:0 0 508M 0 raid0 vda 253:0 0 40G 0 disk ├─vda1 253:1 0 1G 0 part /boot ├─vda2 253:2 0 38G 0 part / └─vda3 253:3 0 1G 0 part [SWAP] # pvcreate /dev/md0 Device /dev/md0 excluded by a filter. ``` Thanks zhm _______________________________________________ linux-lvm mailing list linux-lvm@redhat.com https://www.redhat.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/