Script di PowerShell per creare un nuovo o modificare i criteri di backup dello stato del sistema corrente

Questo script consente di creare nuovi criteri di backup o modificare il criterio di backup dello stato del sistema corrente impostato per il server protetto dall'agente MARS.

Script di esempio

<#

.SYNOPSIS
Modify system state policy

.DESCRIPTION
Modify system state policy

.ROLE
Administrators

#>
param (
    [Parameter(Mandatory = $true)]
    [string[]]
    $daysOfWeek,
    [Parameter(Mandatory = $true)]
    [string[]]
    $timesOfDay,
    [Parameter(Mandatory = $true)]
    [int]
    $weeklyFrequency,

    [Parameter(Mandatory = $false)]
    [int]
    $retentionDays,

    [Parameter(Mandatory = $false)]
    [Boolean]
    $retentionWeeklyPolicy,
    [Parameter(Mandatory = $false)]
    [int]
    $retentionWeeks,

    [Parameter(Mandatory = $false)]
    [Boolean]
    $retentionMonthlyPolicy,
    [Parameter(Mandatory = $false)]
    [int]
    $retentionMonths
)
Set-StrictMode -Version 5.0
$env:PSModulePath = (Get-ItemProperty -Path 'HKLM:\System\CurrentControlSet\Control\Session Manager\Environment' -Name PSModulePath).PSModulePath
Import-Module MSOnlineBackup
$ErrorActionPreference = "Stop"
Try {
    $oldPolicy = Get-OBSystemStatePolicy
    if ($oldPolicy) {
        return
    }
    $policy = New-OBPolicy
    $policy = Add-OBSystemState -Policy $policy

    $timesOfDaySchedule = @()
    foreach ($time in $timesOfDay) {
        $timesOfDaySchedule += ([TimeSpan]$time)
    }
    $daysOfWeekSchedule = @()
    foreach ($day in $daysOfWeek) {
        $daysOfWeekSchedule += ([System.DayOfWeek]$day)
    }

    $schedule = New-OBSchedule -DaysOfWeek $daysOfWeekSchedule -TimesOfDay $timesOfDaySchedule -WeeklyFrequency $weeklyFrequency
    if ($daysOfWeekSchedule.Count -eq 7) {
        if ($retentionWeeklyPolicy -and $retentionMonthlyPolicy) {
            $retention = New-OBRetentionPolicy -RetentionDays $retentionDays -RetentionWeeklyPolicy:$true -WeekDaysOfWeek $daysOfWeekSchedule -WeekTimesOfDay $timesOfDaySchedule -RetentionWeeks $retentionWeeks -RetentionMonthlyPolicy:$true -MonthDaysOfWeek $daysOfWeekSchedule -MonthTimesOfDay $timesOfDaySchedule -RetentionMonths $retentionMonths
        }
        elseif ($retentionWeeklyPolicy) {
            $retention = New-OBRetentionPolicy -RetentionDays $retentionDays -RetentionWeeklyPolicy:$true -WeekDaysOfWeek $daysOfWeekSchedule -WeekTimesOfDay $timesOfDaySchedule -RetentionWeeks $retentionWeeks
        }
        elseif ($retentionMonthlyPolicy) {
            $retention = New-OBRetentionPolicy -RetentionDays $retentionDays -RetentionMonthlyPolicy:$true -MonthDaysOfWeek $daysOfWeekSchedule -MonthTimesOfDay $timesOfDaySchedule -RetentionMonths $retentionMonths
        }
        else {
            $retention = New-OBRetentionPolicy -RetentionDays $retentionDays
        }
    }
    else {
        if ($retentionWeeklyPolicy -and $retentionMonthlyPolicy) {
            $retention = New-OBRetentionPolicy -RetentionWeeklyPolicy:$true -WeekDaysOfWeek $daysOfWeekSchedule -WeekTimesOfDay $timesOfDaySchedule -RetentionWeeks $retentionWeeks -RetentionMonthlyPolicy:$true -MonthDaysOfWeek $daysOfWeekSchedule -MonthTimesOfDay $timesOfDaySchedule -RetentionMonths $retentionMonths
        }
        elseif ($retentionWeeklyPolicy) {
            $retention = New-OBRetentionPolicy -RetentionWeeklyPolicy:$true -WeekDaysOfWeek $daysOfWeekSchedule -WeekTimesOfDay $timesOfDaySchedule -RetentionWeeks $retentionWeeks
        }
        elseif ($retentionMonthlyPolicy) {
            $retention = New-OBRetentionPolicy -RetentionMonthlyPolicy:$true -MonthDaysOfWeek $daysOfWeekSchedule -MonthTimesOfDay $timesOfDaySchedule -RetentionMonths $retentionMonths
        }
    }
    Set-OBSchedule -Policy $policy -Schedule $schedule
    Set-OBRetentionPolicy -Policy $policy -RetentionPolicy $retention
    Set-OBSystemStatePolicy -Policy $policy -Confirm:$false
}
Catch {
    if ($error[0].ErrorDetails) {
        throw $error[0].ErrorDetails
    }
    throw $error[0]
}

Come eseguire lo script

1. Salvare lo script precedente nel computer con un nome scelto e .ps1 estensione.
2. Eseguire lo script, specificando i parametri seguenti:
   Pianificazione del backup e del numero di giorni/settimane/mesi o anni che il backup deve essere mantenuto.

Passaggi successivi

Altre informazioni su come usare PowerShell per distribuire e gestire i backup locali usando l'agente MARS.