Creating a delayed nodata Storage Checkpoint
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Creating a delayed nodata Storage Checkpoint

You can create a Storage Checkpoint as a delayed nodata Storage Checkpoint. The creation process detects the presence of the older data Storage Checkpoints and creates the Storage Checkpoint as a delayed nodata Storage Checkpoint. The following example procedure removes an existing Storage Checkpoint named latest and recreates the Storage Checkpoint as a delayed nodata Storage Checkpoint.

To create a delayed nodata Storage Checkpoint

  1. Remove the latest Storage Checkpoint.
      # fsckptadm remove latest /mnt0
  # fsckptadm list /mnt0
  /mnt0
  old:
    ctime                = Mon 26 Jul 11:56:51 2004
    mtime                = Mon 26 Jul 11:56:51 2004
    flags                = largefiles
  older:
    ctime                = Mon 26 Jul 11:56:46 2004
    mtime                = Mon 26 Jul 11:56:46 2004
    flags                = largefiles
  oldest:
    ctime                = Mon 26 Jul 11:56:41 2004
    mtime                = Mon 26 Jul 11:56:41 2004
    flags                = largefiles
  2. Recreate the latest Storage Checkpoint as a nodata Storage Checkpoint.
      # fsckptadm -n create latest /mnt0
  # fsckptadm list /mnt0
  /mnt0
  latest:
    ctime                = Mon 26 Jul 12:06:42 2004
    mtime                = Mon 26 Jul 12:06:42 2004
    flags                = nodata, largefiles, delayed
  old:
    ctime                = Mon 26 Jul 11:56:51 2004
    mtime                = Mon 26 Jul 11:56:51 2004
    flags                = largefiles
  older:
    ctime                = Mon 26 Jul 11:56:46 2004
    mtime                = Mon 26 Jul 11:56:46 2004
    flags                = largefiles
  oldest:
    ctime                = Mon 26 Jul 11:56:41 2004
    mtime                = Mon 26 Jul 11:56:41 2004
    flags                = largefiles
  3. Convert the oldest Storage Checkpoint to a nodata Storage Checkpoint because no older Storage Checkpoints exist that contain data in the file system.

    Note:

    This step can be done synchronously.

    		 
      # fsckptadm -s set nodata oldest /mnt0
  # fsckptadm list /mnt0
  /mnt0
  latest:
    ctime                = Mon 26 Jul 12:06:42 2004
    mtime                = Mon 26 Jul 12:06:42 2004
    flags                = nodata, largefiles, delayed
  old:
    ctime                = Mon 26 Jul 11:56:51 2004
    mtime                = Mon 26 Jul 11:56:51 2004
    flags                = largefiles
  older:
    ctime                = Mon 26 Jul 11:56:46 2004
    mtime                = Mon 26 Jul 11:56:46 2004
    flags                = largefiles
  oldest:
    ctime                = Mon 26 Jul 11:56:41 2004
    mtime                = Mon 26 Jul 11:56:41 2004
    flags                = nodata, largefiles
  4. Remove the older and old Storage Checkpoints.
      # fsckptadm remove older /mnt0
  # fsckptadm remove old /mnt0
  # fsckptadm list /mnt0
  /mnt0
  latest:
    ctime                = Mon 26 Jul 12:06:42 2004
    mtime                = Mon 26 Jul 12:06:42 2004
    flags                = nodata, largefiles
  oldest:
    ctime                = Mon 26 Jul 11:56:41 2004
    mtime                = Mon 26 Jul 11:56:41 2004
    flags                = nodata, largefiles

    Note:

    After you remove the older and old Storage Checkpoints, the latest Storage Checkpoint is automatically converted to a nodata Storage Checkpoint because the only remaining older Storage Checkpoint (oldest) is already a nodata Storage Checkpoint:
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