For CDS disk groups, VxVM objects that are used in volume creation are automatically aligned to 8K. For non-CDS disk groups, the
dgalign_checking, controls how the command handles attributes that are subject to disk group alignment restrictions. If set to
strict, the volume length and values of attributes must be integer multiples of the disk group alignment value, or the command fails and an error message is displayed. If set to
round (default), attribute values are rounded up as required. If this attribute is not specified on the command-line or in a defaults file, the default value of
round is used.
nodiskalign attributes of
vxassist, which control whether subdisks are aligned on cylinder boundaries, is honored only for non-CDS disk groups whose alignment value is set to 1.