HP Application Recovery Manager software A.06.10 Administrator's guide (March 2008)

the first mirror copy. If such a mirror copy does not exist, the first mirror copy is
backed up. If the ZDB_LVM_PREFERRED_PVG omnirc variable is set, the mirror copy
residing in the PVG specified in the variable is backed up, provided that this mirror
copy does not have stale extents. Otherwise, another mirror copy is selected for
backup according to the algorithm described above.
For more information on the ZDB_LVM_PREFERRED_PVG omnirc variable, see
ZDB omnirc variables on page 106.
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