/* Deactivate all VGs. */
static int
deactivate (void)
{
return vgchange ("-an");
}
/* Reactivate all VGs. */
static int
reactivate (void)
{
return vgchange ("-ay");
}
//
// P R O T E C T E D
//
bool HDDisk::removeExistingLVMPartitions() {
// use the "bash" wrapper, as calling vgchange directly won't work...
// reason is unknown... got the error: "command unknown, try "help""
// which seems to come from vgchange directly
Command vgchange("bash");
vgchange << "-xc" << "vgchange -an";
if( vgchange.waitUntilFinished() != 0 ) {
LOG_E() << "failed to disable all logical volumes... Abort!";
LOG_E() << "need to disable them, so we could create a clean partition table...";
return false;
}
return true;
/*
LOG_I() << "searching for existing LVM volumes...";
// FIXME: what if we got an LVM volume in an LVM volume?
//
// get list of volumes
//
// should output something like: /dev/vdb3:vg_service_data
Command pvs;
pvs << "pvs" << "--noheadings" << "--separator" << ":" << "--options" << "pv_name,vg_name";
if( pvs.waitUntilFinished() != 0 ) {
LOG_E() << "faild to get list of LVM partitions... Abort!";
return false;
}
std::string pvs_output = pvs.getStdoutOutput().str();
boost::trim(pvs_output);
std::vector<std::string> pvs_lines, lvm_volumes, split_volumens;
boost::split(pvs_lines, pvs_output, boost::is_any_of("\n"), boost::algorithm::token_compress_on);
// prepare device check
std::size_t path_length = c_config->index().length();
// check available volumes
for( auto& line : pvs_lines ) {
boost::trim(line);
if( line.substr(0, path_length) == c_config->index() ) {
boost::split(split_volumens, line, boost::is_any_of(":"));
if( split_volumens.size() < 2 ) {
LOG_W() << "pvs line seems to be unuseable: " << line << " won't use it... Abort!";
return false;
}
lvm_volumes.push_back( split_volumens[1] );
split_volumens.clear();
}
}
// remove matching volumes
for( auto& volume : lvm_volumes ) {
Command vgremove;
vgremove << "vgremove" << "-f" << volume;
if( vgremove.waitUntilFinished() != 0 ) {
LOG_E() << "volume group could not be removed... Abort!";
return false;
}
LOG_I() << "volume group " << volume << " removed!";
}
return true;*/
}
