To create a volume with an attached version 20 DCO object and volume
vxdg list diskgroup
To upgrade a disk group to the most recent version, use the following command:
vxdg upgrade diskgroup
See "Upgrading a disk group" on page 194.
vxassist [-g diskgroup
] make volume
logtype=dco dcoversion=20 [drl=on|sequential|off] \
] [fastresync=on] [
Set the value of the
drl attribute to
on if dirty region logging (DRL) is to be used with the volume (this is the default setting). For a volume that will be written to sequentially, such as a database log volume, set the value to
sequential to enable sequential DRL. The DRL logs are created in the DCO volume. The redundancy of the logs is determined by the number of mirrors that you specify using the
By default, Persistent FastResync is not enabled on newly created volumes. Specify the
fastresync=on attribute if you want to enable Persistent FastResync on the volume.
See "Determining the DCO version number" on page 263.
vxassist(1M) manual page.