Types of Backup and Recovery as well as the steps
Types of Backup and Recovery as well as the steps are backed up copy the content into other media such as disk: floppy disc, magnetic tape, optical disk, external hard drive, etc.
Types Of Backup:
BackupPenuh (Full Backup)
A full backup is to copy all the data including folders into other media. Therefore, the results of full backups faster and easier while operation restore. However at the time of its creation requires time and a very large room.BackupPeningkatan (Incremental Backup)
Incremental backups is to copy all of the data that changed since the last time doing a full backup or differential backup. Incremental backups, also called differential backupsPros:
Requires less time.
If many do incremental backups, then the data in the backup is getting smaller in size.Backups are faster than full backups and takes place while smaller than required by the full backup.
Pros:
Requires less time.
If many do incremental backups, then the data in the backup is getting smaller in size.Backups are faster than full backups and takes place while smaller than required by the full backup.
Disadvantages: very long time to restore.
Backup Mirror (Mirror Backups)
Mirror backup is the same as a full backup, but the data is not in the compress or compressed (with format. tar,. zip, or other) and not protect it with a password. It can also be accessed with the menggunakantools like Windows Explorer. Mirror backup is the fastest backup method when compared with the other methods because it copies the data to the media folder and the destination without compacting. But it cause its storage media must be quite large.How To Make A Back Up:
1. open the "Windows 7 File Recovery" in search in Windows 82. Then the display will appear as follows. Click "set up backup" to create a backup
3. Then automatically, Windows will do Starting Windows Backup
4. Select where you will store the file recovery. And then click Next.
5. Then will appear make like the image below. Select "Let Windows Choose" then Next.
6. Then will appear tampillan below. Click on "Save settings and run backup"
7. Then the backup process will run as in the picture below
8. The Backup process is complete.
Recovery is an attempt to restore the database to a State considered correct after a failure
Recovery:
This Type Of Recovery:recovery against the failure of dealers ': unity of the natural program to producers
change/memperbaruhi data on a number of tables.
recovery: recovery media failure against karna media failure by taking back or contains a copy of the database (backups).
recovery against system failure: because of distractions, electrical, hang sisitem disconnected
aliranya
Recovery facilities on DBMS
the mechanism of periodic backupslogging facilities by making tracks on the spot when the transaction takes place and the pda when a database is changed
on-site checkpoint, the latest database update.
Recovery Manager, allow the system to save the reload database becomes more consistent after an error occurs
Recovery techniques
defered update/change yg postponed: changes to the DB will not take place until the transaction is on a pawn in accept (commit). If failure occurred then there will be changes, but in the need to redo operations to prevent the consequences of such failureimmediate updates/changes: changes to the DB will immediately without having to menuggu a deal approved. in case of failure.
shadow paging: using the page shadow imana in process consists of 2 the same table, the other one being a yg laen and the transactions tables in use as a backup when the transaction started to take place both in this same table and during the progress of the transaction table wrote Save all changes to the database tables of the shadow will be in use if an error occurred. upside is not need a REDO or UNDO, kelemahanya makes the occurrence of fragmentation
How To Make A Recovery:
1. Point your mouse pointer to the lower right corner, to get out the charm bar, as shown below2. click on settings, then select Control Panel
3. Then click the arrow in the address Control Panel and select All Control Panel Items
4. Select Recovery
5. Select create a recovery drive, and wait for the process to complete
6. select open system restore, in the picture below click next
7. Click next on the picture below.
8. Click Finish, and wait for the process to complete.
9. Recovery is complete.