changelog

Linux系统备份源代码 可基于用户自定义策略实现系统、应用数据备份

0.1.0     20000204
------------------
- Bugfixes, ao. to thread synchronization
- TARGET script directive changed to ARCHIVE
- FILE script directive changed to TARGET


0.1.1     20000206
------------------
- Bugfix: completion time now correct reported
- Added logentry upon startup
- No longer descends into subdirs when checking
  locations for the filelist


0.1.2     20000207
------------------
- Support for MULTIPLE=[YES|NO] script directive
- Support for VOLUMELENGTH script directive
- Better sanity checking
- Checking if the archive can be created or the
  device opened


0.1.3     20000210
------------------
- Blocking SIGPIPE in daemon mode (why did i forgot
  to do that before ???, stupid me!)
- New switch '-n'. Ignore time-info, start operation
  now..
- Support for VOLUMENAME script directive
- Volume name is written into the report
- Bugfix: Check made from init.d could corrupt the
  previous version of the archive, critical later
  on when restore or list will be implemented.
- Added an 'archiveid' to the tapes/archives.
- New switch '-i'. Force archiveid.
- Added database of archive id's and there
  content. This will be usefull later on
  in the list and restore code.
- Checking that we have tar and gzip available


0.1.4     20000212
------------------
- Merged -l and -m, if -l has no data, tar -M is
  used, else tar -L <length> is used.
- Better command-line help.
- If new archive-id is set on an archive with the
  -i switch, no target files is included, only
  archive-info.
- New switch '-s'. Skip attempt to resolve current
  archive-info on a archive. Good when creating
  a new archive-id f.ex. on a tape.
- Better code for getting archive-id from a archive.
  tar is killed as soon as the archive-id file
  is ready.


0.1.5     20000213
------------------
-Various code-clenaup.
- New switch '-u'. Update archive instead of
  recreating it.
- Finally got around the documentation,
  even prepared the webpages, so that
  sitback can be made public available..
- No more functions should be added to sitback
  at this moment, unless something is really
  missing..  The code should go through some testing,
  and when ready, version 0.2.x series is started.
  0.2.x versions will include restore or list operation,
  cant deside wich one at the moment..


0.1.6     20000214
------------------
- Added a few extra log messages
- Modifyed the beep, when a new tape
  or disk is required when writing
  multiple volumes
- If the archive is one of the ftape
  devices (a magnetic tape of some sort),
  'mt' is called to erase, then retension
  the tape
- Bugfix: Error message from backup was written to
  the report _after_ the file was closed..
- Bugfix: Error message from verify was written to
  the report _after_ the file was closed.
- Slight modification of Log messages
- Report is printed even if backup or verify
  fails.


0.1.7     20000215
------------------
- Cosmetic changes


0.1.8     20000220
------------------
- Internal changes to backup and verify.
  Instead of using a shell-script, tar is
  executed (with execvp()) and the result
  is then analyzed.. This should allow
  the user to interrupt tar.
- Internal changes to functions for searching
  an existing archive id. Now using execvp
  to ensure tar can be interrupted.
- Renamed switches '-v' and '-h-' to
  '--version' and '--help'
- New switch '-v'. Allow tar to be verbose
  when doing backup, restore and verify
- Bugfix: Although only update of archive
  was requested ('-u' switch), 'mt' was
  used to erase current archive if the
  device is a magnetic tape.
- Verify of multiple volumes enabled
- Removed all 'system()' calls, so
  that we dont get uninterruptible
  processes.
- Locking device or archive when starting
  backup operation, so no more than
  one backup operation may run on a
  single archive or device when having
  multiple sitback instances
- Cosmetic changes to log-messages
- Moved the Logfile to <basedir>/var/sitback.log
- Moved scripts to <basedir>/etc/sitback/*
- Installed html documentation to <basedir>/doc/sitback/html/
- Non-rewinding Magnetic and SCSI tapes is rewinded
- Backup daemons now properly setup, (become
  process group leader, exit, chdir("/") etc.)


0.1.9     20000221
------------------
- Small cosmetic changes to log-messages
- Better timeout control. Previous, a timeout
  would make sitback terminate, now, an error
  is returned to the callee. So even if a backup
  daemon has timeout-error on the device
  (the pretty but rather confused secretary
  forgets to put a tape in the drive), the
  current backup would just end with an error,
  but the daemon keeps on running and start the
  backup next time it is scheduled to do so..


0.1.10    20000223
------------------
- Small cosmetic changes to error-reporting


0.1.11    20000224
------------------
- Bugfix: Forgot to reset size counter when starting
  to build the archivelist, daemons would add the previous
  size to the total size. Not critical at all, just
  confusing in the report


0.1.12    20000228
------------------
- Removed option '-v', verbose.
  Sitback will be verbose when not running as daemon
- New option: '-y', retry count.
  Retry backup or restore operation a certain number
  of times if there is an error. This option is
  added because some older drives might fail once in a while
  for no apparent reason.


0.1.13    20000301
------------------
- Bugfix: When running as daemon with retry count declared in
  the script or on the command line, a debug message would prevent
  the session group leader from terminating properly when starting
  the daemon. This would hang the startup script, wich would have
  to be ended with ctrl-c. This could hang initialization of the
  whole system, since init would hang after starting sitback...
- Solved possible race condition that could remove a lock file
  before allowed, thereby allowing access to a busy archive.


0.1.14    20000303
------------------
- Better error-reporting when stat() fails while checking
  locations.
- Replaced sigblock wich is obsolete with POSIX signal
  functions, now using sigaddset and family.
- Only using console ioctl to beep the bell on linux.
  Other platforms may live without this little gimmick.
- Small fixes to increase cross-platform compatibility
- Targets that fail initial CheckLocation() is not
  added to the filelist, but all other targets is, and
  the operation continues without the invalid targets.
- Better user interface. Curses based interface shows
  progress while doing single backup's. This interface
  will later also be used for list and restore operation.
  Later on there will be a sitback version for X where
  Qt is used to provide the user interface.


0.1.15    20000309
------------------
- Fixed a bug that would terminate operation
  instead of waiting for the device to be available
  if the device is a magnetic tape.
- Fixed a missing prototype..
- Better function,libs and headers check in the configure
  script..
- Checking for color_set() and wcolor_set in libncurses,
  if not available, not used.
- Fixed a bug where cr/lf was not removed properly
  if the script is a windows-style textfile.
- Fixed a bug that would prevent the archiveid file
  to be written to the archive if no scriptname
  was supplied when using the '-i' switch.
- Small changes to the curses interface.
- Internal structure for detecting and using best available
  interface (X,ncurses,text) ready...
- Solved several problems with backup and verify of
  multiple volumes..
- Sitback tested on scsi tapes, magnetic tapes, zip disk's
  floppy disk's and local filesystem.
- Found and fixed several small non-fatal bugs.


0.1.16    20000309
------------------
- Well.  seems we had a little bug..
  In certain situations, the smb password for
  printing the backup report could be modified
  due to a bug in the script parser..  This could
  make the print-operation fail....  Not fatal, but
  very annoying....


0.1.17    20000310
------------------
- Hey..  it never stops...   Fixed a little bug,
  introduced by another bugfix, so that we again
  may read the full volume name from a script, even
  if there is blankspaces in it..


0.1.18    20000312
------------------
- Fixed two bugs relating to non-rewinding tape devices.


0.1.19    20000315
------------------
- Searching standard locations for tar, gzip, bzip2, compress
  and mt if not found in the PATH.
- Now using best available compression, 1) bzip2, 2) gzip, 3) compress
  or no compression if no tools is available.
  It is possible to select one of the methods in the script, f.ex.
  if you dont want to use bzip2 although it is available..
- Improved error handling when bad symlinks is found when the
  archive list is being prepared.. Bad symlinks is now just
  reported to the log but the operation continues.
- Various updates to the webpages (including the manual). Nothing
  important, just ordinary housekeeping...
- Changes in the script parser. Invalid directives is now reported
  to the log. Trailing garbage is ignored, and a line can be
  'commented out' using '#'..
- If there is errors during initialization, the user must press a
  key to exit, so that he/she can see the messages...
- Configure script detects  and tests the Q toolkit. In the end, X
  support via Qt is permanently disabled even if it is available. This
  is done since the goal is to get a stable 0.1.x version, before
  introducing anymore features..  The 0.2.x versions will start using X, if
  available..  But still, Sitback will _never_ be an X-only application.
  The primary usage of sitback is as a backup tool on console based servers.


0.1.20    20000319
------------------
- Fixed bug with verify failing when updating archive.
- Fixed bug that would leave report file empty after
  failing verify
- Improved report content after failing verify


0.2.0     20010727
-------------------
- Fixed bug with verify failing when updating archive.
- Fixed bug that would leave report file empty after
  failing verify
- Improved report content after failing verify
- Improved view of file currently being processed.
- Fixed a bug that prevented directory's with blank
  spaces in the name to be included in the archive.
- Improved basedirectory detection to allow sitback
  to run from non-standard places.
- Moved check for run-time housekeeping directorys
  to __get_base_dir() so the directory's would be
  available for other init sub-functions.
- Implemented a real 'debug' function so debug printing
  is better and more easy.. It takes a printf-like
  formatstring and varargs.
- Solved some problems with startup from unusual places.