Linux LVM Mirroring (RAID -1 ) Part II

Now going to mirror the logical volume:

[root@test ~]# lvconvert -m1 /dev/oracle/oracle_lv
  oracle/oracle_lv: Converted: 0.0%
  oracle/oracle_lv: Converted: 100.0%
[root@test ~]#

[root@test ~]# lvdisplay -m /dev/oracle/oracle_lv
  --- Logical volume ---
  LV Name                /dev/oracle/oracle_lv
  VG Name                oracle
  LV UUID                O9W6go-l2AC-0XP9-GvLw-tL2C-bjeI-YoWmDG
  LV Write Access        read/write
  LV Status              available
  # open                 1
  LV Size                1.00 GiB
  Current LE             256
  Mirrored volumes       2
  Segments               1
  Allocation             inherit
  Read ahead sectors     auto
  - currently set to     256
  Block device           253:0

  --- Segments ---
  Logical extent 0 to 255:
    Type                mirror
    Mirrors             2
    Mirror size         256
    Mirror log volume   oracle_lv_mlog
    Mirror region size  512.00 KiB
    Mirror original:
      Logical volume    oracle_lv_mimage_0
      Logical extents   0 to 255
    Mirror destinations:
      Logical volume    oracle_lv_mimage_1
      Logical extents   0 to 255


[root@test ~]#

[root@test ~]# pvs -o +lv_name

  PV         VG     Fmt  Attr PSize PFree LV

  /dev/sdb   oracle lvm2 a--  5.00g 4.00g [oracle_lv_mimage_1]

  /dev/sdb   oracle lvm2 a--  5.00g 4.00g

  /dev/sdc   oracle lvm2 a--  5.00g 3.99g [oracle_lv_mimage_0]

  /dev/sdc   oracle lvm2 a--  5.00g 3.99g [oracle_lv_mlog]

  /dev/sdc   oracle lvm2 a--  5.00g 3.99g

[root@test ~]#