Scan for each host
-> echo "- - -" > /sys/class/scsi_host/host0/scan
-> echo "- - -" > /sys/class/scsi_host/host1/scan
-> echo "- - -" > /sys/class/scsi_host/host2/scan
lsblk will show the new disk
#pvcreate /dev/sdb2 (new disk name)
#vgdisplay (check name disk vg)
# vgextend vg_dbmonit /dev/sdb2
# pvscan
# lvextend /dev/vg_dbmonit/Log_rot /dev/sdb2
# here's final step on the notes
notes :
- centos 6 resize2fs /dev/vg_dbmonit/Log_rot
- centos 7 resize2fs change to xfs_growfs /dev/vg_dbmonit/Log_rot
- centos 8 using lvextend -rl +100%FREE /dev/cl/root
"/dev/cl/root" from vgdisplay -v for logical volume root centos 8
