LVM unable to use device with message "dev_is_mpath_component /dev/sdb multipath wwid <>" or "Cannot use /dev/sdb: device is a multipath component"
Issue
- LVM unable to use a device showing
dev_is_mpath_componentmessage:
Opened /dev/sdb RO O_DIRECT
/dev/sdb: size is 31244943360 sectors
Closed /dev/sdb
dev_is_mpath_component /dev/sdb multipath wwid 62cea7f0444ee100273d727bcc8287b6
- LVM unable to use device:
[root@host]# vgcreate vg1 /dev/sdb
Cannot use /dev/sdb: device is a multipath component
Command requires all devices to be found.
Environment
- Red Hat Enterprise Linux 8
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