Table of contents |
Related Topics |
Pause Consistency Checks During Backups |
Provides comprehensive information on scheduling jobs. Provides comprehensive information on managing jobs. |
Full backups provide the most comprehensive protection of data.
A differential backup contains only the data that is new or has changed since the last full backup. Like incremental backups, differential backups also consume less media and use less resources than full backups. Differential backups are cumulative. This means that each differential backup contains all changes accumulated since the last full backup. Each successive differential backup contains all the changes from the previous differential backup. The illustration on the right demonstrates the nature of differential backups. For simplicity, assume there is a file system that contains six files as represented in the figure.
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Pause points allow Exchange system resources to be made available periodically to other processes (e.g. send and receive e-mail messages) during the following:
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Select the appropriate scheduling options. For example:
The backup job will execute as per the schedule. |
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Once you initiate the backup operation, a backup job is generated in the Job Controller. Jobs can be managed in a number of ways. The following sections provide information on the different job management options available:
Jobs that fail to complete successfully are automatically restarted based on the job restartability configuration set in the Control Panel. Keep in mind that changes made to this configuration will affect all jobs in the entire CommCell.
To Configure the job restartability for a specific job, you can modify the retry settings for the job. This will override the setting in the Control Panel. It is also possible to override the default CommServe configuration for individual jobs by configuring retry settings when initiating the job. This configuration, however, will apply only to the specific job.
Backup jobs for this Agent are resumed from the point-of-failure. |
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The following controls are available for running jobs in the Job Controller window:
Suspend |
Temporarily stops a job. A suspended job is not terminated; it can be restarted at a later time. |
Resume |
Resumes a job and returns the status to Waiting, Pending, Queued, or Running. The status depends on the availability of resources, the state of the Operation Windows, or the Activity Control setting. |
Kill |
Terminates a job. |
You can perform backups of Exchange Databases from the command line interface.
Command line backups enable you to perform backup operation on multiple clients simultaneously. In order to run the backups from command line, you need an input xml file which contains the parameters for configuring the backup options. This input xml file can be obtained from one of the following ways:
To run command line operations you must first login to the CommServe as follows:
qlogin -cs <commserve name> -u <user name>
qlogin -cs server1 -u user1
qoperation execute -af backup_template.xml -backupLevel FULL -subclientName xxxxx -clientName xxxxx
qlist job –j JOBID
qlogout [-cs commserver] [-all] [-tf tokenfile] [-tk token] [-h]
Performing a Full Backup |
qoperation execute -af backup_template.xml -backupLevel FULL -subclientName subclient1 -clientName client1 |
Performing an Incremental Backup |
qoperation execute -af backup_template.xml -backupLevel INCREMENTAL -subclientName subclient1 -clientName client1 |
In addition to the parameters provided in the template xml file, if you want to include additional options for the backup, you can do so by selecting the required options from the CommCell Console and generate the command line xml script for the backup.
Follow the steps given below to generate a script which you can use to perform a backup from the command line interface:
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Several additional options are available to further refine your backup operations. The following table describes these options, as well as the steps for configuring them.
Be sure to read the overview material referenced for each feature prior to using them.
Option | Description | Related topics |
Startup Options |
The Job Manager will use the startup priority setting when allocating the
required resources. This is useful if you have jobs that are very important and
must complete, or jobs that can be moved to a lower priority.
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Refer to Job Priority and Priority Precedence. |
Job Retry Options |
The Job Retry option helps in configuring the retry behavior of the backup jobs.
You can specify the maximum elapsed time before a job can be restarted or killed
and the maximum number of restart attempts.
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Refer to Job Management. |
Start New Media |
The Start New Media option helps in starting the backup/archive operation on a
new media. This media management feature provides a degree of control over where the data physically resides.
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Refer to Start New Media. |
Mark Media Full |
The Mark Media Full on Success option marks the Media as Full, 2 minutes
after the successful completion of the backup/archive. This feature prevents any
other data being written to the same media.
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Refer to Export Media. |
Allow other Schedules to use Media Set |
The Allow Other Schedules to use Media Set option allows jobs that are part
of the schedule or schedule policy and using the specific storage policy to
start a new media. It also prevents other jobs from writing to the same set of
media.
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Refer to Creating an Exportable Media Set. |
Extend Job Retention |
This option allows you to extend the retention end time of the selected
job. You can extend the retention period to infinite period or for a
specified number of days. You can also extend to storage policy default
period.
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Data Path Options |
Data Protection operations use a specific data path (Library, MediaAgent,
Drive Pool, and Drive) to perform the backup operations as configured in the
CommCell. By default, the system automatically identifies the data path for the
backup operations. The following are some of the important situations where you may need to change the data path:
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Refer Change Data Path. |
Vault Tracker |
The VaultTracker feature provides the facility to manage media that are
removed from a library and stored in offsite locations. The VaultTracker
function provides the following capabilities in your day-to-day operations:
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Refer to
VaultTracker
or
VaultTracker
Enterprise.
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Alerts |
The Alert option is used for setting up the criteria to raise
notifications/alerts for job statuses such as failure, success, or any other
conditions triggered by the backup job. Adding alerts helps the user or the user group to get the
notification automatically about the status of the backup job.
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Refer to Alerts. |
Command Line Backups | Command Line Interface enables you to perform backups from the command line. The commands can be executed from the command line or can be integrated into your own scripts or scheduling programs. In addition, you can also generate scripts for specific operations from the CommCell Console using the Save As Script option. These scripts can later be executed using the commands from the command line interface. | Refer to Command Line Interface. |
CommCell Readiness Report | The CommCell Readiness Report provides you with vital information about the condition of your CommCell. | Refer to CommCell Readiness Report. |
Backup Job Summary Report | The Backup Job Summary Report provides the details of all the backup jobs of clients. | Refer to Backup Job Summary Report. |