Ejemplo n.º 1
7
/*
 *  Append Data sent from File daemon
 *
 */
bool do_append_data(JCR *jcr)
{
   int32_t n;
   int32_t file_index, stream, last_file_index;
   BSOCK *fd = jcr->file_bsock;
   bool ok = true;
   DEV_RECORD rec;
   char buf1[100], buf2[100];
   DCR *dcr = jcr->dcr;
   DEVICE *dev;
   char ec[50];


   if (!dcr) { 
      Jmsg0(jcr, M_FATAL, 0, _("DCR is NULL!!!\n"));
      return false;
   }                                              
   dev = dcr->dev;
   if (!dev) { 
      Jmsg0(jcr, M_FATAL, 0, _("DEVICE is NULL!!!\n"));
      return false;
   }                                              

   Dmsg1(100, "Start append data. res=%d\n", dev->num_reserved());

   memset(&rec, 0, sizeof(rec));

   if (!fd->set_buffer_size(dcr->device->max_network_buffer_size, BNET_SETBUF_WRITE)) {
      jcr->setJobStatus(JS_ErrorTerminated);
      Jmsg0(jcr, M_FATAL, 0, _("Unable to set network buffer size.\n"));
      return false;
   }

   if (!acquire_device_for_append(dcr)) {
      jcr->setJobStatus(JS_ErrorTerminated);
      return false;
   }

   jcr->setJobStatus(JS_Running);
   dir_send_job_status(jcr);

   if (dev->VolCatInfo.VolCatName[0] == 0) {
      Pmsg0(000, _("NULL Volume name. This shouldn't happen!!!\n"));
   }
   Dmsg1(50, "Begin append device=%s\n", dev->print_name());

   begin_data_spool(dcr);
   begin_attribute_spool(jcr);

   Dmsg0(100, "Just after acquire_device_for_append\n");
   if (dev->VolCatInfo.VolCatName[0] == 0) {
      Pmsg0(000, _("NULL Volume name. This shouldn't happen!!!\n"));
   }
   /*
    * Write Begin Session Record
    */
   if (!write_session_label(dcr, SOS_LABEL)) {
      Jmsg1(jcr, M_FATAL, 0, _("Write session label failed. ERR=%s\n"),
         dev->bstrerror());
      jcr->setJobStatus(JS_ErrorTerminated);
      ok = false;
   }
   if (dev->VolCatInfo.VolCatName[0] == 0) {
      Pmsg0(000, _("NULL Volume name. This shouldn't happen!!!\n"));
   }

   /* Tell File daemon to send data */
   if (!fd->fsend(OK_data)) {
      berrno be;
      Jmsg1(jcr, M_FATAL, 0, _("Network send error to FD. ERR=%s\n"),
            be.bstrerror(fd->b_errno));
      ok = false;
   }

   /*
    * Get Data from File daemon, write to device.  To clarify what is
    *   going on here.  We expect:
    *     - A stream header
    *     - Multiple records of data
    *     - EOD record
    *
    *    The Stream header is just used to sychronize things, and
    *    none of the stream header is written to tape.
    *    The Multiple records of data, contain first the Attributes,
    *    then after another stream header, the file data, then
    *    after another stream header, the MD5 data if any.
    *
    *   So we get the (stream header, data, EOD) three time for each
    *   file. 1. for the Attributes, 2. for the file data if any,
    *   and 3. for the MD5 if any.
    */
   dcr->VolFirstIndex = dcr->VolLastIndex = 0;
   jcr->run_time = time(NULL);              /* start counting time for rates */
   for (last_file_index = 0; ok && !jcr->is_job_canceled(); ) {

      /* Read Stream header from the File daemon.
       *  The stream header consists of the following:
       *    file_index (sequential Bacula file index, base 1)
       *    stream     (Bacula number to distinguish parts of data)
       *    info       (Info for Storage daemon -- compressed, encrypted, ...)
       *       info is not currently used, so is read, but ignored!
       */
     if ((n=bget_msg(fd)) <= 0) {
         if (n == BNET_SIGNAL && fd->msglen == BNET_EOD) {
            break;                    /* end of data */
         }
         Jmsg1(jcr, M_FATAL, 0, _("Error reading data header from FD. ERR=%s\n"),
               fd->bstrerror());
         possible_incomplete_job(jcr, last_file_index);
         ok = false;
         break;
      }

      if (sscanf(fd->msg, "%ld %ld", &file_index, &stream) != 2) {
         Jmsg1(jcr, M_FATAL, 0, _("Malformed data header from FD: %s\n"), fd->msg);
         ok = false;
         possible_incomplete_job(jcr, last_file_index);
         break;
      }

      Dmsg2(890, "<filed: Header FilInx=%d stream=%d\n", file_index, stream);

      /*
       * We make sure the file_index is advancing sequentially.
       * An incomplete job can start the file_index at any number.
       * otherwise, it must start at 1.
       */
      if (jcr->rerunning && file_index > 0 && last_file_index == 0) {
         goto fi_checked;
      }
      if (file_index > 0 && (file_index == last_file_index ||
          file_index == last_file_index + 1)) {
         goto fi_checked;
      }
      Jmsg2(jcr, M_FATAL, 0, _("FI=%d from FD not positive or sequential=%d\n"),
            file_index, last_file_index);
      possible_incomplete_job(jcr, last_file_index);
      ok = false;
      break;

fi_checked:
      if (file_index != last_file_index) {
         jcr->JobFiles = file_index;
         last_file_index = file_index;
      }

      /* Read data stream from the File daemon.
       *  The data stream is just raw bytes
       */
      while ((n=bget_msg(fd)) > 0 && !jcr->is_job_canceled()) {
         rec.VolSessionId = jcr->VolSessionId;
         rec.VolSessionTime = jcr->VolSessionTime;
         rec.FileIndex = file_index;
         rec.Stream = stream;
         rec.maskedStream = stream & STREAMMASK_TYPE;   /* strip high bits */
         rec.data_len = fd->msglen;
         rec.data = fd->msg;            /* use message buffer */

         Dmsg4(850, "before writ_rec FI=%d SessId=%d Strm=%s len=%d\n",
            rec.FileIndex, rec.VolSessionId, 
            stream_to_ascii(buf1, rec.Stream,rec.FileIndex),
            rec.data_len);

         while (!write_record_to_block(dcr->block, &rec)) {
            Dmsg2(850, "!write_record_to_block data_len=%d rem=%d\n", rec.data_len,
                       rec.remainder);
            if (!write_block_to_device(dcr)) {
               Dmsg2(90, "Got write_block_to_dev error on device %s. %s\n",
                  dev->print_name(), dev->bstrerror());
               ok = false;
               break;
            }
         }
         if (!ok) {
            Dmsg0(400, "Not OK\n");
            break;
         }
         jcr->JobBytes += rec.data_len;   /* increment bytes this job */
         Dmsg4(850, "write_record FI=%s SessId=%d Strm=%s len=%d\n",
            FI_to_ascii(buf1, rec.FileIndex), rec.VolSessionId,
            stream_to_ascii(buf2, rec.Stream, rec.FileIndex), rec.data_len);

         send_attrs_to_dir(jcr, &rec);
         Dmsg0(650, "Enter bnet_get\n");
      }
      Dmsg1(650, "End read loop with FD. Stat=%d\n", n);

      if (fd->is_error()) {
         if (!jcr->is_job_canceled()) {
            Dmsg1(350, "Network read error from FD. ERR=%s\n", fd->bstrerror());
            Jmsg1(jcr, M_FATAL, 0, _("Network error reading from FD. ERR=%s\n"),
                  fd->bstrerror());
            possible_incomplete_job(jcr, last_file_index);
         }
         ok = false;
         break;
      }
   }

   /* Create Job status for end of session label */
   jcr->setJobStatus(ok?JS_Terminated:JS_ErrorTerminated);

   if (ok) {
      /* Terminate connection with FD */
      fd->fsend(OK_append);
      do_fd_commands(jcr);               /* finish dialog with FD */
   } else {
      fd->fsend("3999 Failed append\n");
   }

   /*
    * Don't use time_t for job_elapsed as time_t can be 32 or 64 bits,
    *   and the subsequent Jmsg() editing will break
    */
   int32_t job_elapsed = time(NULL) - jcr->run_time;

   if (job_elapsed <= 0) {
      job_elapsed = 1;
   }

   Jmsg(dcr->jcr, M_INFO, 0, _("Job write elapsed time = %02d:%02d:%02d, Transfer rate = %s Bytes/second\n"),
         job_elapsed / 3600, job_elapsed % 3600 / 60, job_elapsed % 60,
         edit_uint64_with_suffix(jcr->JobBytes / job_elapsed, ec));


   Dmsg1(200, "Write EOS label JobStatus=%c\n", jcr->JobStatus);

   /*
    * Check if we can still write. This may not be the case
    *  if we are at the end of the tape or we got a fatal I/O error.
    */
   if (ok || dev->can_write()) {
      if (!write_session_label(dcr, EOS_LABEL)) {
         /* Print only if ok and not cancelled to avoid spurious messages */
         if (ok && !jcr->is_job_canceled()) {
            Jmsg1(jcr, M_FATAL, 0, _("Error writing end session label. ERR=%s\n"),
                  dev->bstrerror());
            possible_incomplete_job(jcr, last_file_index);
         }
         jcr->setJobStatus(JS_ErrorTerminated);
         ok = false;
      }
      if (dev->VolCatInfo.VolCatName[0] == 0) {
         Pmsg0(000, _("NULL Volume name. This shouldn't happen!!!\n"));
         Dmsg0(000, _("NULL Volume name. This shouldn't happen!!!\n"));
      }
      Dmsg0(90, "back from write_end_session_label()\n");
      /* Flush out final partial block of this session */
      if (!write_block_to_device(dcr)) {
         /* Print only if ok and not cancelled to avoid spurious messages */
         if (ok && !jcr->is_job_canceled()) {
            Jmsg2(jcr, M_FATAL, 0, _("Fatal append error on device %s: ERR=%s\n"),
                  dev->print_name(), dev->bstrerror());
            Dmsg0(100, _("Set ok=FALSE after write_block_to_device.\n"));
            possible_incomplete_job(jcr, last_file_index);
         }
         jcr->setJobStatus(JS_ErrorTerminated);
         ok = false;
      }
   }


   if (!ok && !jcr->is_JobStatus(JS_Incomplete)) {
      discard_data_spool(dcr);
   } else {
      /* Note: if commit is OK, the device will remain blocked */
      commit_data_spool(dcr);
   }

   if (ok) {
      ok = dvd_close_job(dcr);  /* do DVD cleanup if any */
   }
   
   /*
    * Release the device -- and send final Vol info to DIR
    *  and unlock it.
    */
   release_device(dcr);

   if ((!ok || jcr->is_job_canceled()) && !jcr->is_JobStatus(JS_Incomplete)) {
      discard_attribute_spool(jcr);
   } else {
      commit_attribute_spool(jcr);
   }

   dir_send_job_status(jcr);          /* update director */

   Dmsg1(100, "return from do_append_data() ok=%d\n", ok);
   return ok;
}
Ejemplo n.º 2
0
/*
 * Put a volume label into the block
 *
 *  Returns: false on failure
 *           true  on success
 */
static bool write_volume_label_to_block(DCR *dcr)
{
   DEVICE *dev = dcr->dev;
   DEV_BLOCK *block = dcr->block;
   DEV_RECORD rec;
   JCR *jcr = dcr->jcr;

   Dmsg0(130, "write Label in write_volume_label_to_block()\n");

   memset(&rec, 0, sizeof(rec));
   rec.data = get_memory(SER_LENGTH_Volume_Label);
   empty_block(block);                /* Volume label always at beginning */

   create_volume_label_record(dcr, dev, &rec);

   block->BlockNumber = 0;
   if (!write_record_to_block(dcr, &rec)) {
      free_pool_memory(rec.data);
      Jmsg1(jcr, M_FATAL, 0, _("Cannot write Volume label to block for device %s\n"),
         dev->print_name());
      return false;
   } else {
      Dmsg2(130, "Wrote label of %d bytes to block. Vol=%s\n", rec.data_len,
            dcr->VolumeName);
   }
   free_pool_memory(rec.data);
   return true;
}
Ejemplo n.º 3
0
/*
 * Write a Record to the block
 *
 * Returns: false means the block could not be written to tape/disk.
 *          true on success (all bytes written to the block).
 */
bool DCR::write_record()
{
   bool retval = false;
   bool translated_record = false;
   char buf1[100], buf2[100];

   /*
    * Perform record translations.
    */
   before_rec = rec;
   after_rec = NULL;
   if (generate_plugin_event(jcr, bsdEventWriteRecordTranslation, this) != bRC_OK) {
      goto bail_out;
   }

   /*
    * The record got translated when we got an after_rec pointer after calling the
    * bsdEventWriteRecordTranslation plugin event. If no translation has taken place
    * we just point the after_rec pointer to same DEV_RECORD as in the before_rec pointer.
    */
   if (!after_rec) {
      after_rec = before_rec;
   } else {
      translated_record = true;
   }

   while (!write_record_to_block(this, after_rec)) {
      Dmsg2(850, "!write_record_to_block data_len=%d rem=%d\n",
            after_rec->data_len, after_rec->remainder);
      if (!write_block_to_device()) {
         Dmsg2(90, "Got write_block_to_dev error on device %s. %s\n",
               dev->print_name(), dev->bstrerror());
         goto bail_out;
      }
   }

   jcr->JobBytes += after_rec->data_len;   /* increment bytes this job */
   if (jcr->RemainingQuota && jcr->JobBytes > jcr->RemainingQuota) {
      Jmsg0(jcr, M_FATAL, 0, _("Quota Exceeded. Job Terminated.\n"));
      goto bail_out;
   }

   Dmsg4(850, "write_record FI=%s SessId=%d Strm=%s len=%d\n",
         FI_to_ascii(buf1, after_rec->FileIndex), after_rec->VolSessionId,
         stream_to_ascii(buf2, after_rec->Stream, after_rec->FileIndex), after_rec->data_len);

   retval = true;

bail_out:
   if (translated_record) {
      copy_record_state(before_rec, after_rec);
      free_record(after_rec);
      after_rec = NULL;
   }

   return retval;
}
Ejemplo n.º 4
0
/*
 * read_records() calls back here for each record it gets
 */
static bool record_cb(DCR *in_dcr, DEV_RECORD *rec)
{
   if (list_records) {
      Pmsg5(000, _("Record: SessId=%u SessTim=%u FileIndex=%d Stream=%d len=%u\n"),
            rec->VolSessionId, rec->VolSessionTime, rec->FileIndex,
            rec->Stream, rec->data_len);
   }
   /*
    * Check for Start or End of Session Record
    *
    */
   if (rec->FileIndex < 0) {
      get_session_record(in_dcr->dev, rec, &sessrec);

      if (verbose > 1) {
         dump_label_record(in_dcr->dev, rec, 1);
      }
      switch (rec->FileIndex) {
      case PRE_LABEL:
         Pmsg0(000, _("Volume is prelabeled. This volume cannot be copied.\n"));
         return false;
      case VOL_LABEL:
         Pmsg0(000, _("Volume label not copied.\n"));
         return true;
      case SOS_LABEL:
         if (bsr && rec->match_stat < 1) {
            /* Skipping record, because does not match BSR filter */
            if (verbose) {
             Pmsg0(-1, _("Copy skipped. Record does not match BSR filter.\n"));
            }
         } else {
            jobs++;
         }
         break;
      case EOS_LABEL:
         if (bsr && rec->match_stat < 1) {
            /* Skipping record, because does not match BSR filter */
           return true;
        }
         while (!write_record_to_block(out_block, rec)) {
            Dmsg2(150, "!write_record_to_block data_len=%d rem=%d\n", rec->data_len,
                       rec->remainder);
            if (!write_block_to_device(out_jcr->dcr)) {
               Dmsg2(90, "Got write_block_to_dev error on device %s: ERR=%s\n",
                  out_dev->print_name(), out_dev->bstrerror());
               Jmsg(out_jcr, M_FATAL, 0, _("Cannot fixup device error. %s\n"),
                     out_dev->bstrerror());
               return false;
            }
         }
         if (!write_block_to_device(out_jcr->dcr)) {
            Dmsg2(90, "Got write_block_to_dev error on device %s: ERR=%s\n",
               out_dev->print_name(), out_dev->bstrerror());
            Jmsg(out_jcr, M_FATAL, 0, _("Cannot fixup device error. %s\n"),
                  out_dev->bstrerror());
            return false;
         }
         return true;
      case EOM_LABEL:
         Pmsg0(000, _("EOM label not copied.\n"));
         return true;
      case EOT_LABEL:              /* end of all tapes */
         Pmsg0(000, _("EOT label not copied.\n"));
         return true;
      default:
         return true;
      }
   }

   /*  Write record */
   if (bsr && rec->match_stat < 1) {
      /* Skipping record, because does not match BSR filter */
      return true;
   }
   records++;
   while (!write_record_to_block(out_block, rec)) {
      Dmsg2(150, "!write_record_to_block data_len=%d rem=%d\n", rec->data_len,
                 rec->remainder);
      if (!write_block_to_device(out_jcr->dcr)) {
         Dmsg2(90, "Got write_block_to_dev error on device %s: ERR=%s\n",
            out_dev->print_name(), out_dev->bstrerror());
         Jmsg(out_jcr, M_FATAL, 0, _("Cannot fixup device error. %s\n"),
               out_dev->bstrerror());
         return false;
      }
   }
   return true;
}
Ejemplo n.º 5
0
Archivo: mac.c Proyecto: AlD/bareos
/*
 * Called here for each record from read_records()
 * This function is used when we do a internal clone of a Job e.g.
 * this SD is both the reading and writing SD.
 *
 * Returns: true if OK
 *           false if error
 */
static bool clone_record_internally(DCR *dcr, DEV_RECORD *rec)
{
   JCR *jcr = dcr->jcr;
   DEVICE *dev = jcr->dcr->dev;
   char buf1[100], buf2[100];

#ifdef xxx
   Dmsg5(000, "on entry     JobId=%d FI=%s SessId=%d Strm=%s len=%d\n",
         jcr->JobId, FI_to_ascii(buf1, rec->FileIndex), rec->VolSessionId,
         stream_to_ascii(buf2, rec->Stream, rec->FileIndex), rec->data_len);
#endif

   /*
    * If label and not for us, discard it
    */
   if (rec->FileIndex < 0 && rec->match_stat <= 0) {
      return true;
   }

   /*
    * We want to write SOS_LABEL and EOS_LABEL discard all others
    */
   switch (rec->FileIndex) {
   case PRE_LABEL:
   case VOL_LABEL:
   case EOT_LABEL:
   case EOM_LABEL:
      return true;                    /* don't write vol labels */
   }

//   if (jcr->is_JobType(JT_BACKUP)) {
      /*
       * For normal migration jobs, FileIndex values are sequential because
       *  we are dealing with one job.  However, for Vbackup (consolidation),
       *  we will be getting records from multiple jobs and writing them back
       *  out, so we need to ensure that the output FileIndex is sequential.
       *  We do so by detecting a FileIndex change and incrementing the
       *  JobFiles, which we then use as the output FileIndex.
       */
      if (rec->FileIndex >= 0) {
         /*
          * If something changed, increment FileIndex
          */
         if (rec->VolSessionId != rec->last_VolSessionId ||
             rec->VolSessionTime != rec->last_VolSessionTime ||
             rec->FileIndex != rec->last_FileIndex) {
            jcr->JobFiles++;
            rec->last_VolSessionId = rec->VolSessionId;
            rec->last_VolSessionTime = rec->VolSessionTime;
            rec->last_FileIndex = rec->FileIndex;
         }
         rec->FileIndex = jcr->JobFiles;     /* set sequential output FileIndex */
      }
//   }

   /*
    * Modify record SessionId and SessionTime to correspond to output.
    */
   rec->VolSessionId = jcr->VolSessionId;
   rec->VolSessionTime = jcr->VolSessionTime;

   Dmsg5(200, "before write JobId=%d FI=%s SessId=%d Strm=%s len=%d\n",
         jcr->JobId, FI_to_ascii(buf1, rec->FileIndex), rec->VolSessionId,
         stream_to_ascii(buf2, rec->Stream, rec->FileIndex), rec->data_len);

   while (!write_record_to_block(jcr->dcr, rec)) {
      Dmsg4(200, "!write_record_to_block blkpos=%u:%u len=%d rem=%d\n",
            dev->file, dev->block_num, rec->data_len, rec->remainder);
      if (!jcr->dcr->write_block_to_device()) {
         Dmsg2(90, "Got write_block_to_dev error on device %s. %s\n",
            dev->print_name(), dev->bstrerror());
         Jmsg2(jcr, M_FATAL, 0, _("Fatal append error on device %s: ERR=%s\n"),
               dev->print_name(), dev->bstrerror());
         return false;
      }
      Dmsg2(200, "===== Wrote block new pos %u:%u\n", dev->file, dev->block_num);
   }

   /*
    * Restore packet
    */
   rec->VolSessionId = rec->last_VolSessionId;
   rec->VolSessionTime = rec->last_VolSessionTime;
   if (rec->FileIndex < 0) {
      return true;                    /* don't send LABELs to Dir */
   }

   jcr->JobBytes += rec->data_len;   /* increment bytes of this job */

   Dmsg5(500, "wrote_record JobId=%d FI=%s SessId=%d Strm=%s len=%d\n",
         jcr->JobId, FI_to_ascii(buf1, rec->FileIndex), rec->VolSessionId,
         stream_to_ascii(buf2, rec->Stream, rec->FileIndex), rec->data_len);

   send_attrs_to_dir(jcr, rec);

   return true;
}
Ejemplo n.º 6
0
/* Write session label
 *  Returns: false on failure
 *           true  on success
 */
bool write_session_label(DCR *dcr, int label)
{
   JCR *jcr = dcr->jcr;
   DEVICE *dev = dcr->dev;
   DEV_RECORD *rec;
   DEV_BLOCK *block = dcr->block;
   char buf1[100], buf2[100];

   rec = new_record();
   Dmsg1(130, "session_label record=%x\n", rec);
   switch (label) {
   case SOS_LABEL:
      set_start_vol_position(dcr);
      break;
   case EOS_LABEL:
      if (dev->is_tape()) {
         dcr->EndBlock = dev->EndBlock;
         dcr->EndFile  = dev->EndFile;
      } else {
         dcr->EndBlock = (uint32_t)dev->file_addr;
         dcr->EndFile = (uint32_t)(dev->file_addr >> 32);
      }
      break;
   default:
      Jmsg1(jcr, M_ABORT, 0, _("Bad Volume session label = %d\n"), label);
      break;
   }
   create_session_label(dcr, rec, label);
   rec->FileIndex = label;

   /*
    * We guarantee that the session record can totally fit
    *  into a block. If not, write the block, and put it in
    *  the next block. Having the sesssion record totally in
    *  one block makes reading them much easier (no need to
    *  read the next block).
    */
   if (!can_write_record_to_block(block, rec)) {
      Dmsg0(150, "Cannot write session label to block.\n");
      if (!dcr->write_block_to_device()) {
         Dmsg0(130, "Got session label write_block_to_dev error.\n");
         free_record(rec);
         return false;
      }
   }
   if (!write_record_to_block(dcr, rec)) {
      free_record(rec);
      return false;
   }

   Dmsg6(150, "Write sesson_label record JobId=%d FI=%s SessId=%d Strm=%s len=%d "
             "remainder=%d\n", jcr->JobId,
      FI_to_ascii(buf1, rec->FileIndex), rec->VolSessionId,
      stream_to_ascii(buf2, rec->Stream, rec->FileIndex), rec->data_len,
      rec->remainder);

   free_record(rec);
   Dmsg2(150, "Leave write_session_label Block=%ud File=%ud\n",
      dev->get_block_num(), dev->get_file());
   return true;
}
Ejemplo n.º 7
0
/*
 * Write a Volume Label
 *  !!! Note, this is ONLY used for writing
 *            a fresh volume label.  Any data
 *            after the label will be destroyed,
 *            in fact, we write the label 5 times !!!!
 *
 *  This routine should be used only when labeling a blank tape.
 */
bool write_new_volume_label_to_dev(DCR *dcr, const char *VolName,
                                   const char *PoolName, bool relabel)
{
   JCR *jcr = dcr->jcr;
   DEVICE *dev = dcr->dev;
   DEV_BLOCK *block = dcr->block;

   Dmsg0(150, "write_volume_label()\n");
   if (*VolName == 0) {
      Pmsg0(0, "=== ERROR: write_new_volume_label_to_dev called with NULL VolName\n");
      goto bail_out;
   }

   if (relabel) {
      volume_unused(dcr);             /* mark current volume unused */
      /* Truncate device */
      if (!dev->truncate(dcr)) {
         goto bail_out;
      }
      if (!dev->is_tape()) {
         dev->close(dcr);             /* make sure file closed for rename */
      }
   }

   /* Set the new filename for open, ... */
   dev->setVolCatName(VolName);
   dcr->setVolCatName(VolName);
   Dmsg1(150, "New VolName=%s\n", VolName);
   if (!dev->open(dcr, OPEN_READ_WRITE)) {
      /* If device is not tape, attempt to create it */
      if (dev->is_tape() || !dev->open(dcr, CREATE_READ_WRITE)) {
         Jmsg3(jcr, M_WARNING, 0, _("Open device %s Volume \"%s\" failed: ERR=%s\n"),
               dev->print_name(), dcr->VolumeName, dev->bstrerror());
         goto bail_out;
      }
   }
   Dmsg1(150, "Label type=%d\n", dev->label_type);

   /*
    * Let any stored plugin know that we are about to write a new label to the volume.
    */
   if (generate_plugin_event(jcr, bsdEventLabelWrite, dcr) != bRC_OK) {
      Dmsg0(200, "Error from bsdEventLabelWrite plugin event.\n");
      goto bail_out;
   }

   for ( ;; ) {
      empty_block(block);
      if (!dev->rewind(dcr)) {
         Dmsg2(130, "Bad status on %s from rewind: ERR=%s\n", dev->print_name(), dev->print_errmsg());
         if (!forge_on) {
            goto bail_out;
         }
      }

      /* Temporarily mark in append state to enable writing */
      dev->set_append();

      /* Create PRE_LABEL */
      create_volume_label(dev, VolName, PoolName);

      /*
       * If we have already detected an ANSI label, re-read it
       *   to skip past it. Otherwise, we write a new one if
       *   so requested.
       */
      if (dev->label_type != B_BAREOS_LABEL) {
         if (read_ansi_ibm_label(dcr) != VOL_OK) {
            dev->rewind(dcr);
            goto bail_out;
         }
      } else if (!write_ansi_ibm_labels(dcr, ANSI_VOL_LABEL, VolName)) {
         goto bail_out;
      }

      create_volume_label_record(dcr, dev, dcr->rec);
      dcr->rec->Stream = 0;
      dcr->rec->maskedStream = 0;

      if (!write_record_to_block(dcr, dcr->rec)) {
         Dmsg2(130, "Bad Label write on %s: ERR=%s\n", dev->print_name(), dev->print_errmsg());
         goto bail_out;
      } else {
         Dmsg2(130, "Wrote label of %d bytes to %s\n", dcr->rec->data_len, dev->print_name());
      }

      Dmsg0(130, "Call write_block_to_dev()\n");
      if (!dcr->write_block_to_dev()) {
         Dmsg2(130, "Bad Label write on %s: ERR=%s\n", dev->print_name(), dev->print_errmsg());
         goto bail_out;
      }
      break;
   }
   dev = dcr->dev;

   Dmsg0(130, " Wrote block to device\n");

   if (dev->weof(1)) {
      dev->set_labeled();
      write_ansi_ibm_labels(dcr, ANSI_EOF_LABEL, dev->VolHdr.VolumeName);
   }

   if (debug_level >= 20)  {
      dump_volume_label(dev);
   }
   Dmsg0(100, "Call reserve_volume\n");
   if (reserve_volume(dcr, VolName) == NULL) {
      Mmsg2(jcr->errmsg, _("Could not reserve volume %s on %s\n"),
           dev->VolHdr.VolumeName, dev->print_name());
      Dmsg1(100, "%s", jcr->errmsg);
      goto bail_out;
   }
   dev = dcr->dev;                    /* may have changed in reserve_volume */

   dev->clear_append();               /* remove append since this is PRE_LABEL */
   return true;

bail_out:
   volume_unused(dcr);
   dev->clear_volhdr();
   dev->clear_append();               /* remove append since this is PRE_LABEL */
   return false;
}