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[linux-lvm] How do I properly backup and restore / on LVM2




Hi Folks,

How do I properly backup and restore / on LVM2 , e.g.

Filesystem           1K-blocks      Used Available Use% Mounted on
/dev/mapper/rootvg-rootlv
                       2621356   1902288    719068  73% /
tmpfs                 25165824         4  25165820   1% /dev/shm
/dev/cciss/c0d0p1       106040     45992     60048  44% /boot

Am running SLES9 , should be similar in Redhat and my pvdisplay looks like, HW RAID 1.

 pvdisplay
  --- Physical volume ---
  PV Name               /dev/cciss/c0d1p1
  VG Name               idrwebvg
  PV Size               136.70 GB / not usable 0
  Allocatable           yes
  PE Size (KByte)       4096
  Total PE              34994
  Free PE               20914
  Allocated PE          14080
  PV UUID               SFsdRA-ENGD-63KU-MV7x-OvuE-Rx5T-9fFYpb

  --- Physical volume ---
  PV Name               /dev/cciss/c0d0p2
  VG Name               rootvg
  PV Size               68.23 GB / not usable 0
  Allocatable           yes
  PE Size (KByte)       4096
  Total PE              17467
  Free PE               16571
  Allocated PE          896
  PV UUID               wq9uRc-Gn9y-BbZI-PMLg-iWaC-PjlE-BsldqC

Regards
Alan
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