Linux Administration Cookbook

Logical volumes

Finally, in the LVM stack, we have the logical volumes. These are the logical devices that the filesystems get applied to, and which can then be mounted at a point on your system.

Have you worked out the logic behind the command naming?

For this section, we will use lvs and lvdisplay:

$ sudo lvs  LV       VG         Attr       LSize   Pool Origin Data%  Meta%  Move Log Cpy%Sync Convert  LogVol00 VolGroup00 -wi-ao---- <37.47g                                                      LogVol01 VolGroup00 -wi-ao----   1.50g  $ sudo lvdisplay  --- Logical volume ---  LV Path                /dev/VolGroup00/LogVol00  LV Name                LogVol00  VG Name                VolGroup00  LV UUID                j6b8IV-KEw3-7bTw-Oqy8-1Ud3-juFC-SJBg12  LV Write Access        read/write  LV Creation host, time localhost.localdomain, 2018-05-12 18:50:24 +0000  LV Status              available  # open                 1 LV Size ...