Backup and Restore the SharePoint 2010 site using PowerShell command

Backup

Backup-SPSite –identity "<url of site of which you want to take backup>" –path "<path where your backup file resides\name of your backup file.bak>"

e.g.: Backup-SPSite –identity "http://domainName:2711" –path "C:\BackupFolder\mybackup.bak"

 

Restore

Restore-SPSite –identity "<url of that site on wich you want to restore>" –path "<path of your backup file\name of your backup file.bak>" -force

e.g.: Restore-SPSite –identity "http://domainName:2711" –path "C:\BackupFolder\mybackup.bak" –force