part / --fstype=ext4 --size=5000 --ondisk=sda
part /opt/witness --fstype=ext4 --size=33000 --ondisk=sda
part /var/lib/pgsql --fstype=ext4 --size=50000 --grow --ondisk=sda
part swap --recommended --ondisk=sda
part /calls --fstype=ext4 --size=1000 --grow --ondisk=sdb
One or more disks (volume group)
Red Hat can join multiple disks into one large volume. This allows greater flexibility going forward.
To create a logical volume group, comment out one set of part lines and uncomment the others.
Allow one part pv.xx line per physical disk. Set the ondisk to the device name for each one.
Make sure that each pv.xx appears on the volgroup line. This joins them together into one large volume group
Example - note how the default sizes of /opt/witness and /var/lib/pgsql have been increased to allow for larger logs and a larger database:
part /boot --fstype=ext4 --size=200 --ondisk=sda
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