Thanks Jim, for your help.
Lvscan command returns this:
[root@XXX:Active:Standalone] config lvscan -av
Finding all logical volumes
ACTIVE '/dev/vg-db-sda/dat.boot' [372.00 MB] inherit
ACTIVE '/dev/vg-db-sda/dat.share.1' [30.00 GB] inherit
ACTIVE '/dev/vg-db-sda/dat.log.1' [7.00 GB] inherit
ACTIVE '/dev/vg-db-sda/dat.swapvol.1' [5.00 GB] inherit
ACTIVE '/dev/vg-db-sda/set.1.root' [392.00 MB] inherit
ACTIVE '/dev/vg-db-sda/set.1._usr' [2.20 GB] inherit
ACTIVE '/dev/vg-db-sda/set.1._config' [3.00 GB] inherit
ACTIVE '/dev/vg-db-sda/set.1._var' [3.00 GB] inherit
ACTIVE '/dev/vg-db-sda/set.2.root' [392.00 MB] inherit
ACTIVE '/dev/vg-db-sda/set.2._usr' [2.48 GB] inherit
ACTIVE '/dev/vg-db-sda/set.2._config' [3.00 GB] inherit
ACTIVE '/dev/vg-db-sda/set.2._var' [3.00 GB] inherit
ACTIVE '/dev/vg-db-sda/app.vcmp.dat.vmdisks' [276.72 GB] inherit
ACTIVE '/dev/vg-db-sda/set.3.root' [392.00 MB] inherit
ACTIVE '/dev/vg-db-sda/set.3._usr' [2.48 GB] inherit
ACTIVE '/dev/vg-db-sda/set.3._config' [3.00 GB] inherit
ACTIVE '/dev/vg-db-sda/set.3._var' [3.00 GB] inherit
Do you know all these "set.*_*" volumes are all necessary? Can the "missing" space coming from there:
'/dev/vg-db-sda/set.1._usr'
'/dev/vg-db-sda/set.1.root'
'/dev/vg-db-sda/set.1._config'
'/dev/vg-db-sda/set.1._var'
'/dev/vg-db-sda/set.2.root'
'/dev/vg-db-sda/set.2._usr'
'/dev/vg-db-sda/set.2._config'
'/dev/vg-db-sda/set.2._var'
'/dev/vg-db-sda/set.3.root'
'/dev/vg-db-sda/set.3._usr'
'/dev/vg-db-sda/set.3._config'
'/dev/vg-db-sda/set.3._var'
What do you suggest please?
Thanks again for your help.
Sylvain