Remove disk from Linux host online
1. umount filesystem;
2. remove from LVM Volume group pvremove, if needed;
3. remove multipath device multipath -f device, if needed;
4. flush all cache blockdev -flushbufs device;
5. remove disk from system echo 1 > /sys/block/device-name/device/delete;
1. umount filesystem;
2. remove from LVM Volume group pvremove, if needed;
3. remove multipath device multipath -f device, if needed;
4. flush all cache blockdev -flushbufs device;
5. remove disk from system echo 1 > /sys/block/device-name/device/delete;