第6章

# Configuration option global/system_id_source.
system_id_source = "uname"

# lvm systemid
  system ID: z1.example.com
# uname -n
  z1.example.com

[root@z1 ~]# vgcreate --setautoactivation n my_vg /dev/sdb1
  Volume group "my_vg" successfully created

[root@z1 ~]# vgcreate my_vg /dev/sdb1
  Volume group "my_vg" successfully created

[root@z1 ~]# vgs -o+systemid
  VG    #PV #LV #SN Attr   VSize  VFree  System ID
  my_vg   1   0   0 wz--n- <1.82t <1.82t z1.example.com

[root@z1 ~]# lvcreate -L450 -n my_lv my_vg
  Rounding up size to full physical extent 452.00 MiB
  Logical volume "my_lv" created

[root@z1 ~]# lvs
  LV      VG      Attr      LSize   Pool Origin Data%  Move Log Copy%  Convert
  my_lv   my_vg   -wi-a---- 452.00m
  ...

[root@z1 ~]# mkfs.xfs /dev/my_vg/my_lv
meta-data=/dev/my_vg/my_lv       isize=512    agcount=4, agsize=28928 blks
         =                       sectsz=512   attr=2, projid32bit=1
...