public long updateMinFreeDiskSpaceFromSrcFSGroup() throws Exception {
String mfd =
(String)
server.getAttribute(
new ObjectName(getFileSystemMgtServiceNamePrefix() + srcFsGroup),
"MinimumFreeDiskSpace");
log.info("getMinFreeDiskSpaceFromSrcFS group:" + srcFsGroup + " minFree:" + mfd);
if (mfd.equalsIgnoreCase(NONE)) return 0;
if (mfd.endsWith("%")) {
float ratio = Float.parseFloat(mfd.substring(0, mfd.length() - 1));
FileSystemDTO[] fsDTOs = fileSystemMgt().getFileSystemsOfGroup(srcFsGroup);
long total = 0L;
for (FileSystemDTO fsDTO : fsDTOs) {
int status = fsDTO.getStatus();
if (status == FileSystemStatus.RW || status == FileSystemStatus.DEF_RW) {
File dir = FileUtils.toFile(fsDTO.getDirectoryPath());
if (dir.isDirectory()) {
total += FileSystemUtils.totalSpace(dir.getPath());
}
}
}
minFree = (long) (total * ratio / 100);
} else {
minFree = FileUtils.parseSize(mfd, MIN_FREE_DISK_SPACE);
}
return minFree;
}
private long calcFreeDiskSpace(FileSystemDTO fs) {
if (fs == null) {
return -1;
}
File dir = checkFS(fs, " - can not calculate minimum free disc space!");
if (dir == null) {
return -1;
}
long total = FileSystemUtils.totalSpace(dir.getAbsolutePath());
log.info("Total space of " + fs.getDirectoryPath() + " :" + FileUtils.formatSize(total));
return (long) (total * minFreeDiskSpaceRatio / 100);
}
private File checkFS(FileSystemDTO fsDTO, String msgPostfix) {
File dir = FileUtils.toFile(fsDTO.getDirectoryPath());
if (!dir.exists()) {
if (!makeStorageDirectory) {
log.warn("No such directory " + dir + msgPostfix);
return null;
}
log.info("M-WRITE " + dir);
if (!dir.mkdirs()) {
log.warn("Failed to create directory " + dir + msgPostfix);
return null;
}
}
File nomount = new File(dir, mountFailedCheckFile);
if (nomount.exists()) {
log.warn("Mount on " + dir + " seems broken" + msgPostfix);
return null;
}
return dir;
}
public long getUsableDiskSpaceOnDest() {
try {
if (destFsGroup == null) return -1;
if (destFsGroup.indexOf('@') == -1)
return (Long)
server.getAttribute(
new ObjectName(getFileSystemMgtServiceNamePrefix() + destFsGroup),
"UsableDiskSpace");
FileSystemDTO fsDTO = getDestinationFilesystem(fileSystemMgt());
if (fsDTO == null) return -2;
String dirPath = fsDTO.getDirectoryPath();
if (dirPath.startsWith("tar:")) dirPath = dirPath.substring(4);
File dir = FileUtils.toFile(dirPath);
return dir.isDirectory()
? FileSystemUtils.freeSpace(dir.getPath()) - getMinFreeDiskSpaceOnDestFS()
: hsmModuleServicename == null ? -1 : Long.MAX_VALUE;
} catch (Exception x) {
log.error("Failed to get UsableDiskSpaceOnDest!", x);
return -3;
}
}
public String getUsableDiskSpaceStringOnDest() {
try {
if (destFsGroup == null) return NOT_APPLICABLE;
if (destFsGroup.indexOf('@') == -1)
return (String)
server.getAttribute(
new ObjectName(getFileSystemMgtServiceNamePrefix() + destFsGroup),
"UsableDiskSpaceString");
FileSystemDTO fsDTO = getDestinationFilesystem(fileSystemMgt());
if (fsDTO == null) return "Dest FS not found!";
String dirPath = fsDTO.getDirectoryPath();
if (dirPath.startsWith("tar:")) dirPath = dirPath.substring(4);
File dir = FileUtils.toFile(dirPath);
return dir.isDirectory()
? FileUtils.formatSize(
FileSystemUtils.freeSpace(dir.getPath()) - getMinFreeDiskSpaceOnDestFS())
: hsmModuleServicename == null ? "UNKNOWN (destination path not found)" : "n.a. (HSM)";
} catch (Exception x) {
log.error("Failed to get UsableDiskSpaceStringOnDest!", x);
return ERROR;
}
}
private boolean switchFileSystem(FileSystemMgt2 fsMgt, FileSystemDTO fsDTO) throws Exception {
synchronized (switchFileSystemMonitor) {
if (!updateStorageFileSystem(fsMgt)) {
return selectStorageFileSystem() != null;
}
if (storageFileSystem == null || fsDTO == null) {
log.info("Storage filesystem not set! No RW filesystem configured or no space left!");
return false;
} else if (storageFileSystem.getPk() != fsDTO.getPk()) {
log.info(
"Storage file system has already been switched from "
+ fsDTO
+ " to "
+ storageFileSystem
+ " by another thread.");
return true;
}
FileSystemDTO tmp = storageFileSystem;
String next;
while ((next = tmp.getNext()) != null && !next.equals(storageFileSystem.getDirectoryPath())) {
tmp = fsMgt.getFileSystemOfGroup(getFileSystemGroupID(), next);
if (minFreeDiskSpaceRatio > 0) {
minFreeDiskSpace = calcFreeDiskSpace(tmp);
}
if (tmp.getStatus() == FileSystemStatus.RW
&& tmp.getAvailability() == Availability.toInt(getDefAvailability())
&& checkFreeDiskSpace(tmp)) {
storageFileSystem = fsMgt.updateFileSystemStatus(tmp.getPk(), FileSystemStatus.DEF_RW);
log.info("Switch storage file system from " + fsDTO + " to " + storageFileSystem);
sendJMXNotification(new StorageFileSystemSwitched(fsDTO, storageFileSystem));
return true;
}
}
return false;
}
}
public File selectStorageDirectory() throws Exception {
FileSystemDTO dto = selectStorageFileSystem();
return dto != null ? FileUtils.toFile(dto.getDirectoryPath()) : null;
}
public long getFreeDiskSpaceOnCurFS() throws IOException {
if (storageFileSystem == null) return -1L;
File dir = FileUtils.toFile(storageFileSystem.getDirectoryPath());
return dir.isDirectory() ? FileSystemUtils.freeSpace(dir.getPath()) : -1L;
}
private void process(DeleteStudyOrder order) throws Exception {
try {
if (destFsGroup == null) throw new RuntimeException("No destination file system configured!");
FileSystemMgt2 mgt = fileSystemMgt();
FileSystemDTO fsDTO = getDestinationFilesystem(mgt);
if (fsDTO == null) {
throw new RuntimeException("No destination file system (with free disk space) available!");
}
long availOnDest = getUsableDiskSpaceOnDest();
log.debug("Available disk space on destination FS:" + availOnDest);
FileDTO[][] files = null;
if (availOnDest > 0) {
files = mgt.getFilesOfStudy(order);
for (int i = 0; i < files.length && availOnDest > 0; i++) {
for (int j = 0; j < files[i].length && availOnDest > 0; j++) {
availOnDest -= files[i][j].getFileSize();
}
}
}
log.debug("Expected available disk space on destination FS after move:" + availOnDest);
if (availOnDest < 0) {
log.error(
"Not enough space left on destination filesystem to move study ("
+ order.getStudyIUID()
+ ")!");
throw new RuntimeException("Not enough space left on destination filesystem!");
}
File[] srcFiles = null;
log.info(
"Move "
+ files.length
+ " files of study "
+ order.getStudyIUID()
+ " to Filesystem:"
+ fsDTO);
if (files.length > 0) {
String destPath = fsDTO.getDirectoryPath();
if (destPath.startsWith("tar:")) {
for (int i = 0; i < files.length; i++) {
srcFiles = copyTar(files[i], destPath, fsDTO.getPk());
}
List<FileDTO> failed = mgt.moveFiles(order, files, destFileStatus, keepSrcFiles, false);
} else {
srcFiles = copyFiles(files, destPath, fsDTO.getPk());
List<FileDTO> failed =
mgt.moveFiles(order, files, destFileStatus, keepSrcFiles, keepMovedFilesOnError);
log.info("moveFiles done! failed:" + failed);
if (failed != null) {
if (keepSrcFiles) {
FileDTO dto;
for (int i = 0; i < failed.size(); i++) {
dto = failed.get(i);
deleteFile(FileUtils.toFile(dto.getDirectoryPath() + '/' + dto.getFilePath()));
}
} else {
int k = 0, s = 0;
FileDTO failedDto = failed.get(k);
for (int i = 0; i < files.length; i++) {
for (int j = 0; j < files[i].length; j++) {
if (failedDto != null && files[i][j].getPk() == failedDto.getPk()) {
deleteFile(
FileUtils.toFile(
failedDto.getDirectoryPath() + '/' + failedDto.getFilePath()));
failedDto = ++k < failed.size() ? failed.get(k) : null;
} else {
deleteFile(srcFiles[s]);
}
s++;
}
}
}
throw (Exception) order.getThrowable();
}
}
if (!keepSrcFiles) {
for (int i = 0; i < srcFiles.length; i++) {
deleteFile(srcFiles[i]);
}
try {
mgt.removeStudyOnFSRecord(order);
} catch (Exception x) {
log.warn("Remove StudyOnFS record failed for " + order, x);
}
}
}
} catch (ConcurrentStudyStorageException x) {
log.info(x.getMessage());
}
}