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Article Number: 000103694


ADMe backup selection criteria

Summary: How to leverage various ADMe backup selection options available for filtering the date range to search

Article Content


Symptoms

Explain the possibilities available within ADMe to ensure the desired backup is selected from any date range being used.

ADMe provides a default date range to search and select eligible backups from which fits the majority of use cases. However, it does not satisfy all situations therefore this article is intended to highlight all available options which can be used to override the default to achieve the desired results.

Cause

Incorrect filtering to select intended backups

Resolution

The following shows all possibilities on how to influence the search date range used by ADMe/ATO during its backup selection phase.
 
1. By default the start date used is always the first of your current month to your current day for example, if today is Sept 15, 2014 the effective search range would be from 2014-09-01 to 2014-09-15

2. Syntax -sdate yyyy-mm-dd and -edate yyyy-mm-dd is used to specify an explicit start and end date range

3. Syntax -rmonth # is used to go back in time the specified number of months relative to your current month. For example, if today was Sept 15, 2014 then -rmonth 1 will use an effective date range of 2014-08-01 to 2014-08-31. If you were to go back 2 months the entire two months date range of July and August in this example would be scanned.

4. Syntax -rmonthx # is used to go back in time the specified number of months relative to your current month but limits the date range to that  month only. For example, if today is Sept 15, 2014 then -rmonthx  2 will use an effective date range of 2014-07-01 to to 2014-08-01 limiting the effective date range to the chosen month only.

5. Syntax -rday # is used to specify either a single relative day or short range of days for example, -rday 25 will select backups only from the 25th of the complete date range in effect.
    
By adding a range such as -rday 25-26 -last will select the last available BU's within the relative date range given useful if for some reason the backup didn't complete on the 25th. Similarly -first could also be used instead of -last

6. Syntax -nday # is used to specify a fixed number of search days up to 30 which can cross a month or year boundary.
For example, -nday 3 will search the last 3 days only. 

A value of -nday +# preceding the day count value with a + sign will extend the default range from the first of the month by the number of days specified into the previous month.

For example, using a value of -nday +5 when your current date is 2014-09-15 results in an effective start date of 2014-08-25 rather than the default of the first of your current month.
 

Additional Information

With any of the above options for influencing the effective search date range, filters such as -first, -last, -week or -rtype can also be included in the selection statement.

You can experiment with any of the above options using the interactive selection function from the main menu prior to including them within a job policy. The resulting selection work-list can then be viewed using the View function from the main menu. This process does not result in moving backup data therefore is a good way to confirm the syntax used gives the intended results. 

All of the above syntax is entered into a Job Policy definition on the Select_Flags line as per the examples below:
 
=========================================================
 Job Policy: /atoadmin/etc/admbatch-IOmart1.cfg
================< Job Policy Contents >=================
 
Environment_Number::   4
Base_Group_Name::      iomart1
Sub_Group_Numbers::    0
Select_Flags::         -d -nday 2 -last
View_Flags::            -d
Tapeout_Flags::        -d -stageonly -D -m -inc
 
=========================================================
 
=========================================================
 Job Policy: /atoadmin/etc/admbatch-IOmart1.cfg
================< Job Policy Contents >=================
 
Environment_Number::   4
Base_Group_Name::      iomart1
Sub_Group_Numbers::    0
Select_Flags::         -d -rmonth 1 -last
View_Flags::            -d
Tapeout_Flags::        -d -stageonly -D -m -inc
 
=========================================================
 

Article Properties


Affected Product

Avamar, Avamar Data Migration Enabler

Last Published Date

26 Oct 2022

Version

3

Article Type

Solution