vgname.data Created for information about a user volume group. The vgname variable reflects the name of the volume group. The savevg command uses this file to create a backup image that can be used by the restvg command to reinstall the user volume group. The mkvgdata command overwrites this file if it already exists. The vgname.data file is located in the /tmp/vgdata/vgname directory, where vgname is the volume group name. The information in either of these files can be edited by the user before issuing the savevg command. A.23 The readlvcopy command The following summarizes the options for the readlvcopy command. readlvcopy - Reads a specific mirror copy of a logical volume. Usage: readlvcopy -d device [-c copy | -C copy | -b] [-n number_of_blocks] [-o outfile] [-s skip] [-S seek] -d device -c copy Logical volume special device file to be read from. Requested mirror copy to read from. Valid values are 1, 2, or 3 for the first, second, or third copy of the data. Data is