parity.check.tuning.plg

<?xml version="1.0" standalone="yes"?>
<!DOCTYPE PLUGIN [
<!ENTITY name "parity.check.tuning">
<!ENTITY author "Dave Walker (itimpi)">
<!ENTITY version "2024.08.16">
<!ENTITY md5 "2f51dd48022f3b028797989e11fc4c7b">
<!ENTITY launch "Settings/Scheduler">
<!ENTITY plugin "parity.check.tuning">
<!ENTITY plugdir "/usr/local/emhttp/plugins/&name;">
<!ENTITY github "itimpi/parity.check.tuning">
<!ENTITY pluginURL "https://raw.githubusercontent.com/&github;/master/&plugin;.plg">
<!ENTITY emhttp "/usr/local/emhttp/plugins/&plugin;">
]>
<PLUGIN name="&name;" 
	author="&author;" 
	version="&version;" 
	launch="&launch;" 
	pluginURL="&pluginURL;" 
	min="6.9.2"
	icon="wrench"
	support="https://forums.unraid.net/topic/78394-plugin-parity-check-tuning/">

<multiLanguage>true</multiLanguage>

<CHANGES>
TODO
The following are under consideration if a sensible method of implementing them can be found:
 - Add more flexible scheduling options (e.g. different by day of week)
 - Improve suppression of misleading Unraid messages about parity operations

### Planned
 - Update Pause/Resume buttons for array operations on Main page to reflect status
 - Ability to pause nominated docker containers during array operations.

### 2024-08-16
 - Fix: Very old entries (prior to 2019) could stop history being displayed.
 - Fix: parity Histsory not displaying on Unraid 6,11 or later
 
### 2024-04-28
 - Fix: Stop spurious Unclean Shutdown notification due to incorrect fix in previous release.
 
### 2024-04-27
 - Change: Moved check for Unclean shutdowns to when array being started
           (stops unclean shutdown warnings happening until array started).
 - Change: Completion notification changed to 'error' type if any errors during operation.
 - Fix: Monitor task could abort if custom SMART settings were set at the global level
 - Fix: Improved warning message about not using Unraid's 'Cumulative parity check' setting
 - Fix: Some small changes to remove potential PHP warnings.
 - New: Added check for corrupt parity history records
 - Change: Some internal code refactoring aimed at planned features

 
### 2024-02-15
 - Fix: Remove erroneous state information if Unclean shutdown (most users would not notice)
 - Fix: Losing restart information if user first stops array before doing shutdown or reboot.
 
### 2023-12-08
 - Change: Default for Restart option now set to be disabled rather than enabled.
 - Fix: Manual resume message in syslog could repeat every time monitor task ran
 - Fix: Could get a spurious Paused notification if an expected automatic check not started.
 - Fix: Some internal code refactoring that should improve logging in TESTING mode
 - Fix: Some PHP warnings about deprecated treatments to string handling function parameters.
 - Fix: Tidied up some internal state tracking when server restarted after crashing.
 
### 2023-11-26
 - Fix: DOS line ending in settings page file was stopping it displaying in GUI.
 
### 2023-11-25
 - Fix: Reworked pause/resume slightly to handle custom scheduling
 - Change: Pause/Resume notifications now displayed as 'normal' (green) priority.
 - Fix: Internal refactoring around pause/resume handling.
 - Fix: Minor changes to built in help (thanks to Aaron Tulino for input to this)

### 2023-10-26
 - Fix: Correction for when drives overheat
 
### 2023-10-09
 - Fix: Incorrect determination of being within an active period for an increment.
 
### 2023-10-08
 - Fix: wrong return code when detecting if appdata backup running  
 
### 2023-10-07
 - Fix: Minor installation issue to update installed version before dumping config to syslog
 - Fix: Stop email alerts having html bold tag in Unclean Shutodwn message
 - Fix: Typo that could stop background tasks being always handled correctly
 - Fix: Unclean Shutdown notification message slightly clearer where to go in manual. 
 
### 2023-09-13
 - Fix: An Unclean shutdown message was erroneously being generated if you stopped 
   the array without doing it via a shutdown or reboot.
 - Fix: Avoid generating syslog entries for mdcmd calls from mover from debug logging mode .
 - New: Added setting to control whether notifications should happen for background task start/finish.
 - New: Added to Unclean shutdown notification mention of troubleshooting section in manual
 - New: Changed default for increment pause time to be 7:30 rather than 3:30

### 2023-09-06
 - Fix: Not resuming after a pausing for a backup task.

### 2023-09-05
 - Fix: Some more fixes around spurious detection of unclean shutdowns
 - Fix: Suppress notification that Unraid will start autoamtic parity check (may add back later)
 
### 2023-09-03
 - Fix: Notification about not resuming occurring more than once
 - Fix: Setting for array pause/resume notifications not being honoured for background tasks.
 - Fix: Spurious notification about unclean shutdowns
 
### 2028-09-02
 - Fix: Fix to improve detecting if running in increments.
 - Fix: Tweaked some of the notification messages issued by the plugin.
 - New: Reworked the severity at which notifications are displayed
 
### 2023-08-23
 - Fix: Not resuming if paused for mover but increments not set to be used.
 - Fix: Improved detection of mover running to avoid help spurious cases.
 
### 2023-07-21
 - Fix: Some internal changes to try and minimise chance of race conditions
 - New: Option to shutdown server after array operation completes now ready for use.
 
### 2023-07-08
 - Fix: Previous fix to check for time being within an increment was not correct
 - New: Settings option to shutdown server automatically on array operation completing
        (currently disabled as support logic not yet completed).
 - Fix: Rearranged some code to see if helps work out why monitor task can stop running
 - Fix: Invalid cast in temperature checkinmg code (thanks to robohub)
 - Fix: Updates to translation file
		
### 2023-07-04
 - Fix: Check for time being within an increment needed inverting (as identified by robobub)
 - New: Always add entry to syslog giving plugin config details after change and at startup.
 
### 2023-06-25
 - Fix: PHP warning in some debug code for Parity Check Tuning Assistant.
 
### 2023-06-18
 - Fix: Some minor PHP issues (Warnings and Deprecated) 
 - Fix: Error happening when trying to detect manual pause or resume had occurred.
 
### 2023-05-07
 - Refactored code around CLI interface
 - Some small improvements to the messages displayed in CLI mode
 
### 2023-04-30
 - Refactored code for handling background tasks (mover and appdata/CA Backup) triggering pause/resume
 - Fix: Resume not always correctly handled after pauses due to mover or Backup running.
 - New: Detect manual pause/resume to add to increment count (but does not handle very short pause/resume)
 - Fix: The plugin settings page help updated to better describe how the mover and backup settings operate.
 - Fix: Some PHP 8 Warnings
 
### 2023-04-18
 - Fix: Array operations not being resumed after mover/ca.backup active pause if no increment type set
 - Fix: Field in parity-checks.log file not being set correctly causing history to display '-' as action
  
### 2023-04-08
 - Fix: Array operation incorrectly resumed if mover or ca.backup running outside increment slot.
 - Fix: Array operation incorrectly resumed if mover or ca.backup finishes after increment ends.
 -  Fix: Fix some PHP warnings
 
### 2023-04-03
 - Fix: Revised check for ca.backup v3 running
 - Fix: PHP warning in Legacy.php
 - Fix: Error when trying to send notification after pausing due to mover running
  
### 2023-03-17
 - New: Added some additional internal logging to help diagnose some unexpected behaviour being reported.
 - New: Checks for CA.Backup v3 running
 - Fix: Typo that broke monitoring disks for temperature
 - Change: Removed internal option to set PHP reporting level used during testing 
 
### 2023-03-01
 - Fix:  More PHP 8 fixes
 - New:  Added start/stop array options to CLI parity.check command for Unraid 6.10+

### 2023.02.26
 - Fix: PHP 8 fixes

### 2023.02.20
 - Fix: Small internal optimisations that should not affect any functionality
 - Fix: support URL
 - Fix: PHP Warnings in preperation for Unraid 6.12 release
 - Fix: Display of whether parity check correcting in Parity History
 
### 2023.02.11
 - Fix: Permissions changes on standard Unraid system files/folders when installing
 - Fix: Parity History could display operation type twice
 
### 2023.02.08
 - New: Remove support for Unraid versions prior to 6.9.2
 - New: Add warning about incompatibility with Unraid Cumulative Parity Check option.
 - Fix: History button on Settings page not working for Unraid 6.11 and 6.12
 - Fix: Extended Parity History on not being displayed from Main screen
 - Fix: After restart was not pausing if outside increment time slot.
 - Fix: If increment type not being monitored and paused before reboot was not re-instating pause on restart
 - Fix: Updates to make master translation file agree with current plugin.
 - Fix: Improve some of the code to better handle array not yet started.
 - Fix: Remove code that failed to spin up drives and leave it to Unraid to do this.
 
###2022.12.05
 - Fix: Restart of parity checks not working.
 - New: Restart all array operations, not just parity checks
 - New: More detail in notifications if restart has to be abandoned.
 - New: Remove spurious Cancel entries from Parity History file that were
		occurring if an array operation was restarted.

###2022.05.05
 - Fix: Minor internal tweaks to improve logging
 - New: Syslog entries when notifications are (potentially) generated.
 - Fix: Updates to translations file.
 - New: Generate notification if temperature pause exceeds 30 minutes
	    (tunable via hidden setting in parity.check.tuning.cfg file).
 
###2022.04.12
 - Fix: Scheduled checks incorrectly being treated as manual checks.
 - Fix: Pause/resume notifications omitting operation type.
 - New: Handle active drives being spundown if paused during array
         operation (due to drive(s) overheating).
 
###2022.04.07
 - New: Adjust monitor task frequency
	    (tunable via hidden settings in parity.check.tuning.cfg file)
 
###2022.04.05
 - New: Button to reset plugin settings to issued defaults
 - Fix: Plugin was losing track of fact a pause had been temperature related
 - Fix: Some anomolies in Testing log mode messages for temperatures 
 
###2022.04.02
 - Fix: Previous release not containing updated defaults file as intended.
 
###2022.03.31
 - Fix: Improve defaults for settings not found in configuration file
        (will also apply to new installs)
 
###2022.03.30
 - Fix: Centigrade temperatures being displayed as Fahrenheit value.
 - Fix: Resume temperature setting value saving incorrectly
 
###2022.03.29
 - Fix: Invalid cron entry being generated for weekly increments
 
###2022.03.23
 - Fix: Regression that caused some settings fields to display incorrectly (although they were saving correctly)
 - Fix: Regression that caused PHP error reporting level to be logged when log level not set to Testing
 - Fix: Remove 'Start Check' button on Parity Problems Assistant page and relabel 'Apply' button to 'Check' as it now initiates the check
 - Fix: Internal changes to improve logging (especially with Testing or Debug log level set)
 - New: Paused, Resumed and Completed messages in syslog even at Basic log level
 
###2022.03.20
 - New: Option to pause parity checks while CA Backup (if installed) is running a backup or restore.
 - Fix: Regression that stopped Tools->Parity Problems Assisitant page showing
 - New: An option to run increments weekly for better alignment with 6.10.0-rc3
 - Fix: More 6.10.0-rc3 related changes and internal code tidying
 - Fix: Improvements in notification messages
 
###2022.02.18
 - Fix: Compatibility with new parity history record format introduced with Unraid 6.10.0rc3.
 - New: Include all array operation types in history (not just parity checks).
 - New: Option to pause parity checks while mover running.
 - Fix: Incorrect resume after end of scheduled increment if was paused due to disks overheating.
 - Fix: Setting for Notifications always being shown as No (even when set to Yes in stored settings).
 - Fix: Minor internal code tidying to help with future maintenance.
 
###2021.10.10
 - New: Display plugin version in the plugins GUI pages (top right)
 
###2021.09.21
 - Fix: The Minutes field for Pause/Resume would not display correctly if set to 0
 
###2021.09.17
 - Fix: Warning being generated in GUI from multi-language support code on Unraid 6.9.2
 - New: Check Pause and Resume times are not identical as this leads to unpredictable behavior.
 
###2021.09.14
 - Fix: Multi-language support code generating errors in GUI or syslog.
 
###2021.09.10
 - Fix: Regression that could an error message to be displayed on settings page.
  
###2021.09.09
 - Fix: Get multi-language support working for messages from background scripts (such as notifications and syslog messages)
 
###2021.08.24
 - New: Add some missing translations to the multi-language support
 - Fix: translation files not being picked up correctly resulting in English text instead.
 
###2021.06.15
 - Fix: Problems Assistant popup corrected to give correct count of lines in log even when Testing logging active.
 
###2021.06.15
 - New: Parity Problems Assistant can now show dialog with parity check related entries from syslog.
 - Fix: Apply default value if Disk Warning/Critical temperature values have never been explicitly set
 
###2021.06.04
 - New: Initial changes towards better sector selection in Parity Problem Assistant
 - Fix: Parity Problem Assistant was not converting parity disk size to sectors correctly.
 
###2021.06.01
 - Fix: Error messages were shown when trying to display Parity Problems Assistant page
		(These were actually non-fatal but this was not obvious to the end-user)
 
###2021.05.14
 - Fix: Default to Celsius for temperatures if not explicitly set at Unraid level.
 - Fix: Disable user being able to hit Apply if a Custom entry has just been flagged as invalid 
		(as it will later cause cron scheduling errors for the plugin entries).
 
###2021.04.19
 - New: Added warning if temperature pause/resume values > 20 to pick up user entering actual temperatures by mistake.
 
###2021.04.13
 - Fix: Translation text related fixes (no functional changes)
 
###2021.04.06
 - Fix: Regression that could trigger error message when displaying Parity Historyi
 - Fix: Incorrect action type being written to parity history records
 - New: Added trigger type (automatic/scheduled/manual) to Parity History records

###2021.04.02
 - Fix: Updates to align with translation file for multi-language support
 - New: Option to send plugin log messages to flash either instead of syslog or in addition to syslog 
		(currently only allowed when logging level set to Testing)
 
###2021.03.30
 - Fix: Syntax error being thrown in plugin main script on all unRraid versions
 - Fix: Syntax error on 6.8.3 (or earlier) systems on settings page and assistant page
 - New: Parity Problems Assistant page to show error notice if array not started
 
###2021.03.29
 - New: Setting added for specifying automatic parity checks after unclean shutdown to be run in increments.
 - New: Add number of errors so far to Pause notifications when not zero.
 - New: Updated Help text to cover new option for pausing Automatic checks.
 - New: Give detailed notification at end of Parity Sync/Rebuild and Clear operations.
 - New: Improved output from CLI 'status' option.
 - Fix: Was incorrectly pausing manual checks when option only set for scheduled checks.
 - Fix: An empty plugin setting could cause (non-fatal) parse error in monitor operation.
 - Fix: Internal code reorganization to better handle state after an unclean shutdown.
 - Fix: Updated Help text (primarily to use markdown syntax more extensively instead of embedded HTML).
 - Issue:  Translations file has not yet been updated to reflect changes in this release - will happen later.
 
###2021.02.28
 - New: Updates to description file to mention newest facilities.
 - Fix: Various spelling mistakes in Release notes (thanks to techie2000).
 - Fix: Re-ordered fields on Settings page.
 - Fix: Manually initiated parity reads/checks could incorrectly be treated as scheduled ones for pause/resume.
 
###2021.02.14
 - Fix: Pause/Resume to be scheduled for unscheduled array operations even if standard increments not also enabled.
 - Fix: Changes to logging level were not being remembered when settings screen next shown.
 - Fix: Make sure packaging not done on network share as can mean unexpected nobody/users on files/folders instead of root.
 - Fix: Output a syslog entry for pause/resume even when notifications disabled.

###2021.02.09
 - New: Display notice and disable options for Parity Problems Assistant if no parity disk present
 - Fix: Invalid cron entries could be generated due to incomplete migration of plugin settings to new format
        (temporary workaround was to resave settings from plugin Settings page)
 
###2021.02.07
 - New: Add new experimental Parity Problems Assistant page to Tools page in unRaid GUI
 - Fix: A number of notifications were not displaying correct status information
 - Fix: Correct average speed calculation for parity checks that do not complete
 - New: Improve suppression of superfluous notifications from monitor task
 - New: Use a default of hourly monitoring even if no options explicitly set to ensure parity history updated
 - Fix: Internal refactoring of code to aid with future maintenance
 
###2021.01.19
 - Fix: Regression that stopped the Apply button working on the plugins Settings page
        (appears to have been a variable name collision with some other Unraid component)
 - New: Escape arguments for better behaviour when using CLI
 
###2021.01.18
 - Fix: Regression that would cause an exception when checking if a valid action was requested
 - New: Add server name to notifications
 
###2021.01.16
 - New: Suppress Unraid built-in notifications for array operations start/finish when plugin issues better equivalent
 - Fix: PHP parsing error when checking Unraid version for notifications
 - Fix: Correcting checks could be displayed or logged as non-correcting
 - Fix: Tidying up of code internal to plugin
 - New: More detail in text of notifications
 
###2021.01.03
 - Fix: Regression that could stop notifications appearing (or displaying with no content) on Unraid 6.8.3 and earlier.

###2021.01.02
 - Fix: Regression to force execute permission on files used internally by plugin
        (although not clear why this changed as should have been set correctly as part of package build)
   Fix: Suppress all notifications if system notifications not enabled.
 
###2021.01.01
 - New: Resume previously running array operations when array started after a reboot or array stop/start (requires Unraid 6.9.0 rc1 or higher)
 - New: Add pause/resume for read checks when no parity disk present
 - New: Notification if parity check started due to unclean shutdown
 - Fix: Regression where notifications were not displaying description text on Unraid releases earlier than 6.9.0
 - Fix: Major overhaul of translations file for multi-language support
 
###2020.11.19
 - Fix: Typo that could cause a PHP warning to be issued.
 
###2020.11.15
 - Fix: Regression that caused a crontab parsing error.
 
###2020.11.14
 - Fix: Improve setting of configuration defaults to make them more robust for the future.
 - Fix: Improve reporting of action type in messages.
 - New: Added configured unit type for temperatures in messages.
 - Fix: Settings page displaying wrong value for the option to shutdown the server (although it was still being set correctly).
 - Fix: Typos in help text.
 
###2020.10.28
 - Fix: Debug level logging was running when it should not.
 - Fix: Default for Shutdown option was set to be 'yes' (when it should have been 'no') for existing users of the plugin
 
###2020.10.23
 - New: Option to shudown server if disks heat above user defined thresholds.
 - Fix: correct regression in description displayed in notifications.
 - Fix: link to wiki page for crontab was not working correctly (for custom formats)
 - New: GUI improvements to disallow invalid combinations of settings
 - Fix: Fixes to  multi-language support
 - New: Additional (and updated strings) added to translation file for multi-language support
 
###2020.10.01
 - New: When running 6.9 Beta 27+, clicking on an alert from Parity Check Tuning will take you to the Scheduler settings page.
 - New: Added check that temperature resume value is larger than pause value.

###2020.09.10
 - New: Increase logging detail on temperature monitoring to help diagnose problem cases.
 - Fix: Listing of drives that overheated was not correct.
 
###2020.09.08
 - Fix: Resume on drives cooling after overheating was not working as expected.
 
###2020.08.03
- Fix: Resume on temperature was not waiting until drives cooled enough - only that they were no longer classed as 'hot'

###2020.08.01
- Fix: Incorrect reporting of number of drives if no parity2 present.
- Fix: 'hot' drive(s) listed with name of 'temp' instead of correct name.
- Fix: Resume happening before drives cooled sufficiently.
- New  Log level of 'testing' can now be activated from the plugins settings.
- Fix  Minor changes to English translation file.

###2020.07.21
- Fix: Settings page was not always correctly switching GUI display between custom and daily scheduling options
- Fix: Some missing translation texts enabled

###2020-07-19
- New: Changes in preparation for multi-language support.
- Fix: Pause not working when drives over-heat when temperature pause/resume active.
- Fix: Incorrect number of drives shown in summary message for drive temperature monitoring.
- New: Add detected temperature when listing over-heated drives in syslog.

###2020-04-09
- Fix: divide by zero error logged during startup

###2020-02-15
- New: add handling of 'starting' event

###2019.11.30
- New: add a hourly monitor check to better handle manual parity check pause/resumes
- New: add appropriate icons to alerts

###2019.10.26
- Fix: make sure parity history updated correctly if array stopped before a scheduled run of plugin.

###2019.10.22
- Fix; the parity history and notifications would erroneously show correcting parity checks as being non-correcting.
- Fix: parity history would not be updated if a second check started within timeslot for a single increment

###2019.10.12
- Fix: too many increments shown in parity history if system rebooted/shutdown with a check active

###2019.09.10
- Fix: parity history update changed to stop last increment being logged as well as summary for whole run

###2019.08.01
- Fix: parity history update was not terminating record correctly
- New: type of check now being tracked in history 
- New: Reworked CLI parity.check command and 'start' option removed

###2019.07.18
- Fix: Error count updated incorrectly in parity history file (was always set to 0 even when errors occurred)
- New: Keep some extra diagnostics for when errors reported to help diagnose cause
- New: Added 'parity.check' command for functionality via the CLI

###2019.05.01
- Fix: Regression that broke pause/resume of scheduled parity checks
- Fix: Regression that broke updating parity history

###2019.04.30
- Fix: Do not create entries in parity-history log for array operations that are not a parity check
- Fix: Corrected handling of non-scheduled checks to match user settings.
- New: Simple validation on custom entries

###2019.04.24
- New: Slight rework of Parity History display to only display extra columns if some entries have
  values for them (so if pause/resume never used display stays same as it used to be).
  Additional fields (if present) are now always last two columns)
- Fix: Removed GUI option for scheduled hourly pause/resume.
- New: Added GUI option for custom pause/resume schedule using crontab style entry.

###2019.04.16
- New: Add a History button to the plugins settings page (functionally equivalent to History button on Main tab).
- New: Provide a patched ParityHistory.php file to display extra fields when displaying parity-check history.

###2019.04.15
- Fix: Various internal changes to improve efficiency and improve debug logging
- Fix: Changes to support collecting history correctly and upbating standard parity-checks.log with results
- Fix: Removed internal 'tidy' option as internal design changes means no longer needed.

###2019-04-02
- New: Added Unraid version check in case plugin installed somehow on version earlier than 6.7
- New: Added check that parity drive is present as without it plugin should always be disabled.

###2019-03-30
- Fix: spelling mistakes in GUI Help on settings page
- Fix: icon on Plugins tab to use a FA 4.7 icon rather than a FA 5 one (which is not available on Unraid).
- Fix: wrong URL for support thread on Plugins page
- New: Added PayPal Donate buttong to Settings page for plugin
- Fix: Reverted CA template to using PNG icon rather than a FA one.
- Fix: Updated description of the plugin for both Plugins and Apps pages

###2019.03.28
- New: Added new CA plugin update feature
- New: Improved GUI on Settings page with more extensive help and better checks on settings
- New: Added option to Pause/Resume array operations if disks overheat
- New: Added option to Pause/Resume of paritySync/Disk Rebuild and disk Clear operations
- New: Added option to send notifications on Pause/Resume
- New: Added sending a notification if its detected the array was stopped while an array operation was in progress
- New: Added a Paypal donate option to Apps page (be interesting to see if any actually happen!).

###2019.03.15
- New: Improvements to the help text built into the GUI as a result of questions from users
- Fix: fixed some minor GUI display glitches.

###2019.03.13
- First official Beta version.

###2019.03.08
- Version for alpha testing.
</CHANGES>

<FILE Run="/bin/bash">
  <INLINE>
    # Remove old 'source' files
      rm -f $(ls /boot/config/plugins/&plugin;/&plugin;*.txz 2&gt;/dev/null | grep -v '&version;')
  </INLINE>
</FILE>
  
<!--
The 'source' file. 
-->
  <FILE Name="/boot/config/plugins/&plugin;/&plugin;-&version;.txz" Run="upgradepkg --install-new">
    <!--      <URL>/mnt/cache/Dropbox/Projects/&plugin;/archives/&plugin;-&version;.txz</URL>     --> 
    <URL>https://raw.githubusercontent.com/&github;/master/archives/&plugin;-&version;.txz</URL>
  </FILE>
 
<!--
The 'post-install' script
-->
<FILE Run="/bin/bash">
  <INLINE>
    # Ensure permissions correct (not sure why needed as should already be OK, but apparently not always the case)
    chmod -R 755 /usr/local/emhttp/plugins/&plugin;
    chown -R root /usr/local/emhttp/plugins/&plugin;
    chgrp -R root /usr/local/emhttp/plugins/&plugin;
    # Set up option for CLI usage
	rm -f /usr/local/bin/parity.check
    ln -s /usr/local/emhttp/plugins/&plugin;/&plugin;.php /usr/local/bin/parity.check
	echo "Created parity.check" CLI command.
	# If necesserary set plugin cfg file to defaults
	if [ ! -f /boot/config/plugins/&plugin;/&plugin;.cfg ]; then
		cp /usr/local/emhttp/plugins/&plugin;/&plugin;.defaults /boot/config/plugins/&plugin;/&plugin;.cfg
		echo "Default settings installed"
	fi
    # Replace the standard mdcmd one with our custom version
    if [ -f /usr/local/sbin/mdcmd ]; then
      mv -f /usr/local/sbin/mdcmd /usr/local/sbin/mdcmd.orig
      cp /usr/local/emhttp/plugins/&plugin;/&plugin;.mdcmd /usr/local/sbin/mdcmd
	  chmod 754 /usr/local/sbin/mdcmd
    fi
    # Replace the standard parity history display script with our custom version for extra columns
	chmod 755 /usr/local/emhttp/plugins/&plugin;/parity.check.history.php 
    if [ -f /usr/local/emhttp/plugins/dynamix/scripts/parity_history ]; then
	    # Unraid version 6.11+
		if [ ! -f /usr/local/emhttp/plugins/dynamix/scripts/parity_history.orig ]; then
			# Save original if not already done so in earlier plugin version install
			mv -f /usr/local/emhttp/plugins/dynamix/scripts/parity_history /usr/local/emhttp/plugins/dynamix/scripts/parity_history.orig
        fi
		rm -f /usr/local/emhttp/plugins/dynamix/scripts/parity_history 
		# Replace it with our new custom variant
		cp /usr/local/emhttp/plugins/&plugin;/parity.check.history.php /usr/local/emhttp/plugins/dynamix/scripts/parity_history 

	
	elif [ -f /usr/local/emhttp/plugins/dynamix/include/ParityHistory.php ]; then
	    # Unraid version earlier than 6.11
		if [ ! -f /usr/local/emhttp/plugins/dynamix/scripts/parity_history.php.orig ]; then
			# Save original if not already done so in earlier plugin version install
			mv -f /usr/local/emhttp/plugins/dynamix/include/ParityHistory.php /usr/local/emhttp/plugins/dynamix/include/ParityHistory.php.orig
        fi
		rm -f /usr/local/emhttp/plugins/dynamix/scripts/parity_history 
		cp /usr/local/emhttp/plugins/&plugin;/parity.check.history.php /usr/local/emhttp/plugins/dynamix/include/ParityHistory.php 
    fi
	rm -rf /boot/config/plugins/&plugin;/&plugin;.stopping
	# rm -rf /boot/config/plugins/&plugin;/&plugin;.log
	echo &version; > /boot/config/plugins/&plugin;/&plugin;.version;
	# dump current config settings and set up initial cron schedules
    /usr/local/emhttp/plugins/&plugin;/&plugin;.php "config"
    echo ""
    echo "----------------------------------------------------"
    echo " &name; has been installed."
    echo " Copyright 2019-2023, Dave Walker (itimpi)"
    echo " Version: &version;"
    echo "----------------------------------------------------"
    echo ""
  </INLINE>
</FILE>

<!--
The 'remove' script.
-->
<FILE Run="/bin/bash" Method="remove">
  <INLINE>
    # Remove option for CLI usage
    rm -v /usr/local/bin/parity.check
    # Replace our customised mdcmd with the original version
    if [ -h /usr/local/sbin/mdcmd ]; then
      if [ -e /usr/local/sbin/mdcmd.orig ]; then
        rm /usr/local/sbin/mdcmd
        mv /usr/local/sbin/mdcmd.orig /usr/local/sbin/mdcmd
      else
        # Should not be possible to get here but lets play safe!
        echo ""
        echo "--------------------------------------"
        echo " ERROR:  saved mdcmd command not found"
        echo "--------------------------------------"
      fi
    fi
    # Replace our customised parity hstory display script with the original version
    if [ -h /usr/local/emhttp/plugins/dynamix/scripts/parity_history ]; then
	  # Unraid version 6.11+ 
	  if [ -e /usr/local/emhttp/plugins/dynamix/scripts/parity_history.orig ]; then
        rm /usr/local/emhttp/plugins/dynamix/scripts/parity_history
        mv /usr/local/emhttp/plugins/dynamix/scripts/parity_history.orig /usr/local/emhttp/plugins/dynamix/scripts/parity_history
      else
        # Should not be possible to get here but lets play safe!
        echo ""
        echo "---------------------------------------"
        echo " ERROR:  saved parity_history not found"
        echo "---------------------------------------"
      fi
	elif [ -h /usr/local/emhttp/plugins/dynamix/include/ParityHistory.php ]; then
	  # Unraid version earlier than 6.11
      if [ -e /usr/local/emhttp/plugins/dynamix/include/ParityHistory.php.orig ]; then
        rm /usr/local/emhttp/plugins/dynamix/include/ParityHistory.php
        mv /usr/local/emhttp/plugins/dynamix/include/ParityHistory.php.orig /usr/local/emhttp/plugins/dynamix/include/ParityHistory.php
      else
        # Should not be possible to get here but lets play safe!
        echo ""
        echo "------------------------------------------"
        echo " ERROR:  saved ParityHistory.php not found"
        echo "------------------------------------------"
      fi
    fi
    # final tidy up to remove last traces of plugin
    removepkg &plugin;-&version;
    rm -rf &plugdir;
    rm -rf /boot/config/plugins/&plugin;
    /usr/local/sbin/update_cron
  </INLINE>
</FILE>

</PLUGIN>