Version 2.2.0
~~~~~~~~~~~~~
* Speed up directory reading
* Better .rpm infrastructure
* IPv6 support added to VSI interface; the whole package at this point is likely IPv6 compliant.
* Count network traffic from all interfaces, not just eth* and ib*.  lo is ignored.
* Fixed bugs preventing packet length filtering working in record5c
* Allow case mismatches in VSI processing
* Respect -u option when calling system commands
* -n option allows enables running external commands without su
* obtain full path to difxlog by reading $DIFXROOT environment
* check for mk5daemon already running
* fileto5c: fix order of ops bug
* fileto5c: copying of directory supported
* now *mark5* identifies a Mark5 unit, not just mark5*
* For VDIF format, save the threads to the .dir file
* Fix for bank_info query with only bank B populated
* Mark5 Watchdog added to mk5daemon proper
* Version for DiFX-2.2, May 31, 2013

Version 2.1.0
~~~~~~~~~~~~~
* Rename from 1.4.2 prior to DiFX-2.1 tagging
* Version for DiFX-2.1, May 4, 2012

Version 2.0.2
~~~~~~~~~~~~~
* Post DiFX-2.0.1
* Add SMART dump option to vsn
* Add mk5map utility to recover a directory where one doesn't exist (experimental, Mark5B @ 2 Gbps only now)
* Some additional diagnostics in directory reading
* mk5cp: the --no-dir option allows copying a byte range without reference to a module directory
* mk5cp: some control over the read chunk size is now given to the user
* mk5cp: treat "real time" mode the same way as it is treated in mpifxcorr
* Complete wrapping of XLR calls into WATCHDOG macro statements
* mk5daemon: collect SMART information.  (currently incomplete; information logged upon installation of modules)
* Add stand alone Mark5C data recording program "record5c"
* checkdir: add detection of UKN scans (those rescued by the recording system after a crash)
* mk5dir: can now write a module directory to a module (Mark5B only and directory version 1 only)
* Add fileto5c program which copies a file from the OS filesystem to the Mark5 module
* Add scp capability to mk5cp
* MPI errors are captured and logged
* Stand-alone utility "sukill" added
* Pass on restartSeconds to mpifxcorr in support of restarting jobs
* Send number of CPU cores in Load messages
* mk5dir: don't write .dir files with empty scan labels.  Make one up instead.

Version 1.4.1
~~~~~~~~~~~~~
* Post DiFX-1.5.4/DiFX-2.0.0
* NOTE: Active version is now in DiFX-2.0 / trunk
* Respect DEFAULT_DMS_MASK
* Add Write-only option to testmod
* Fix parsing of mark5 directory files: stepping through extra parameters had a bug.
* No more 1024 scan limit on Mark5 modules
* Quiet version for vsn
* Version for DiFX-2.0.1

Version 1.4
~~~~~~~~~~~
* Post DiFX-1.5.3
* Check that input file exists before attempting correlation
* mk5dir: Mark4 directories from after 2009 Dec 31 would end up with wrong MJD
* Support for Streamstor SDK 9.0
* Support for difxVersion in difxStartMessage
* Don't launch a job near time(0)%10 = 5 to avoid getModules clash
* Add "recover" Mark5 utility
* Add mk5erase (similar to SSErase from Haystack) 
* Fix timerange mk5cp and add byterange copy
* Use mark5ipc to lock out access to /dev/windrvr6 
* Remove compatibility with Mark5A program
* Add very nascent mk5lock utility
* mk5dir: now by default will change the disk module state
* add mk5cat
* vsn: write protection setting and getting
* testmod: add timing
* Version for DiFX-2.0.0

Version 1.3
~~~~~~~~~~~
* set svn properties
* mk5dir, mk5cp: use XLRGetDirectory to work around streamstor bug
* mk5dir: add --force option
* mount and dismount commands (not using DBUS yet)
* make destination directory before copy
* Mark5 maint programs testmod and vsn added
* checkdir -- ultraverbose mode (-v -v -v -v) to print nicely formatted list of scans (thanks Adam)
* remove auto-starting of the Mark5A program
* Fix compiler warnings and move to safer string manipulation
* rename .c to .cpp to reflect the fact that g++ is needed
* close popen with pclose (suggested by Martin Ettl)
* complain if /tmp or correlation destination directory are running low on space
* update in-line help for mk5control
* infrastructure in place for transient event copy
* checkdir -- allow 800 frames per second mode
* Version for DiFX-1.5.3

Version 1.2
~~~~~~~~~~~
* mk5dir -- add suffix to distinguish otherwise identically named scans
* Clean up permissions and ownership issues when spawning jobs
* Improve bankswitching
* Version for DiFX-1.5.2

Version 1.1
~~~~~~~~~~~
* XLRClose / XLROpen after XLRSelectBank to prevent read errors
* add checkdir
* Version for DiFX-1.5.1

Version 1.0
~~~~~~~~~~~
* Version for DiFX-1.5

Version 0.9
~~~~~~~~~~~
* go back to using ssh to start new processes -- ensures up-to-date enviromnent
* ignore child signal to prevent defunct processes
* use password file to get proper user ids
* spawn difxlog when starting a job
* fix dual-link network performance tracking
* option to start condition_watch upon startup

Version 0.8
~~~~~~~~~~~
* Post NRAO-DiFX 1.1 branch
* don't use tstMark5A anymore
* lots of careless bug fixes
* reenable auto getvsn
* Support for copy in mk5daemon, and support for HUP signal in mk5cp and mk5dir
* support difxStart messages
* mk5cp by exp code
* alert messages for mk5cp and mk5dir
* minor bug fixes for mk5cp and mk5dir
* send messages whenever modules are inserted or removed
* always make sure VSNs are legal
* use su, not ssh
* mk5dir and mk5cp now report on replaced data
* track StreamStor versions

Version 0.7
~~~~~~~~~~~
* separate out proc.[ch]
* function to look for windrvr use
* periodically report VSNs
* This version is for NRAO-DiFX 1.1

Version 0.6
~~~~~~~~~~~
* fix stopmark5a hang -- mutex not unlocked
* fix die on quit -- unused %s

Version 0.5
~~~~~~~~~~~
* add mk5dir

Version 0.4
~~~~~~~~~~~
* more and improved logging
* usage

Version 0.3
~~~~~~~~~~~
* bug fixes.  quite usable now.
* more logging

Version 0.1
~~~~~~~~~~~
* Initial version.  consists of a merge of LogM5 and mk5agent