int main(int argc, char *argv[])
{
// basic assertions
assert(sizeof(gpt_partition_t) == 128);
assert(sizeof(gpt_header_t) == 512);
// require root privilege
if (geteuid() != 0)
{
printf("Must run as root user.\n");
exit(4);
}
// get disk size
uint64_t size = get_disk_size("/dev/sdb");
// create partitions entry
gpt_partition_t partitions[2];
createPartitions(&partitions[0]);
// create the header
gpt_header_t gpt;
initGPTHeader(&gpt, size, &partitions[0]);
// save in disk
partition_write("/dev/sdb", &gpt, &partitions[0]);
return 0;
}
// Break this up into smaller bits
std::vector<std::pair<boost::gregorian::date, boost::gregorian::date> > ParallelEnergyPlus::createPartitions(const openstudio::WorkspaceObject &t_runPeriod, int t_offset, int t_numPartitions)
{
boost::gregorian::date sd, ed;
getRunPeriod(t_runPeriod, sd, ed);
boost::gregorian::date_duration totalduration = ed - sd;
double totalDays = totalduration.days() + 1;
LOG(Debug, "t_offset " << t_offset << " t_numPartitions " << t_numPartitions << " totalDays " << totalDays);
std::vector<std::pair<boost::gregorian::date, boost::gregorian::date> > partitions(t_numPartitions);
// Compute partitions
double daysPerPeriod = totalDays / t_numPartitions;
if (daysPerPeriod-1 < t_offset)
{
throw std::runtime_error("The days per period is too small compared to the offset, they fully overlap");
}
int X, Y, A, B;
double averageDays;
computeLinearCombination(A, B, X, Y, averageDays, daysPerPeriod, totalDays, t_numPartitions);
// So... x processors get A days and y processors get B days
// Start with ranks 0... x
boost::gregorian::date d1(sd);
//std::cout << boost::gregorian::to_simple_string(d1) << std::endl;
createPartitions(d1, ed, A, 0, X, t_offset, sd, partitions);
//std::cout << boost::gregorian::to_simple_string(d1) << std::endl;
createPartitions(d1, ed, B, X, t_numPartitions, t_offset, sd, partitions);
return partitions;
}
bool HDDisk::formatPartitions() {
checkIsValid();
if( reportInvalidObjectError( __PRETTY_FUNCTION__ ) ) {
return false;
}
LOG_I() << "format partitions on device " << c_config->index();
// call createPartitionTable() if not already done!
if( c_device == nullptr && createPartitions() == false ) {
LOG_E() << "createPartitions() failed... Abort!";
return false;
}
for( auto& part_config : c_config->partition() ) {
LOG_I() << "create filesystem " << part_config.filesystem() << " on " << part_config.index();
fs::path part_path( part_config.index() );
if( fs::exists( part_path ) == false ) {
LOG_E() << "Partition path " << part_path.string() << " does not exist... Abort!";
return false;
}
Command mkfs;
if( part_config.filesystem().compare("swap") == 0 ) {
mkfs << "mkswap" << part_config.index();
} else {
mkfs << "mkfs" << "-q" << "-t" << part_config.filesystem() << part_config.index();
}
if( mkfs.waitUntilFinished() != 0 ) {
LOG_E() << "creating filesystem FAILED... Abort!";
return false;
}
}
return true;
}
ParallelEnergyPlus::ParallelEnergyPlus(const openstudio::path &t_idf, int t_numPartitions, int t_offsetInDays)
: m_idfPath(t_idf), m_numPartitions(t_numPartitions), m_offset(t_offsetInDays), m_runPeriod(getRunPeriod(t_idf)),
m_partitions(createPartitions(m_runPeriod.second, m_offset, m_numPartitions))
{
}
