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Win2000 Backup will not re use used media on a scheduled backup!

Posted on 2002-05-01
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Last Modified: 2012-05-04
When I use the Win2000 backup program to do a scheduled backup it fails if the media has been used and I get a message in the log which says; 'the operation was not performed because no unused media was available'.

Question is - I cannot see any option to force it to overwrite existing media when using the schedule function.  When you do the backup manually a dialog box pops up anad asks whether you wnat to overwrite or not.

How can I force it to do this automatically when using a scheduled backup.  I cannot go through each tape and erase it first each day every week!

Ta

Ged
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Question by:gedackt
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3 Comments
 
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Expert Comment

by:CrazyOne
ID: 6983319
Actually when you schedule a backup there is point using the Wizard that you can choose to "Replace the data..." or "Append this backup...". Unfortunately these settings are only availble when you first shcedule the backup. These options don't seem to be available with a backup that has already been scheduled.


The Crazy One
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CrazyOne earned 400 total points
ID: 6983344
Also you can schedule a batch file with switches to the backup using the Windows Task Scheduler. This would give you more flexibility if and when you need to make changes to how the backup is achieved.

The following is for the Backup help file. Look under the indes tab for "batch files"

"Command line parameters
You can perform backup operations at the command prompt or from a batch file using the ntbackup command followed by various parameters.

Syntax:

ntbackup backup [systemstate] "bks file name" /J {"job name"} [/P {"pool name"}] [/G {"guid name"}] [/T { "tape name"}] [/N {"media name"}] [/F {"file name"}] [/D {"set description"}] [/DS {"server name"}] [/IS {"server name"}] [/A] [/V:{yes|no}] [/R:{yes|no}] [/L:{f|s|n}] [/M {backup type}] [/RS:{yes|no}] [/HC:{on|off}] [/UM]

Parameters:

systemstate

Specifies that you want to back up the System State data. When you back up the System State data, all of the System State data is backed up, therefore, the /s switch does not apply. Also, the backup type will be forced to normal or copy.

bks file name

Specifies the name of the backup selection file (.bks file) to be used for this backup operation. A backup selection file contains information on the files and folders you have selected for backup. You have to create the file using the graphical user interface (GUI) version of Backup.

/J {"job name"}

Specifies the job name to be used in the log file. The job name usually describes the files and folders you are backing up in the current backup job as well as the date and time you backed up the files.

/P {"pool name"}

Specifies the media pool from which you want to use media. This is usually a subpool of the Backup media pool, such as 4mm DDS. If you select this you must not use the following switches: /A /G /F /T.

/G {"guid name"}

Overwrites or appends to this tape. Do not use this switch in conjunction with /P.

/T {"tape name"}

Overwrites or appends to this tape. Do not use this switch in conjunction with /P.

/N {"media name"}

Specifies the new tape name. You must not use /A with this switch.

/F {"file name"}

Logical disk path and file name. You must not use the following switches with this switch: /P /G /T.

/D {"set description"}

Specifies a label for each backup set.

/DS {"server name"}

Backs up the directory service file for the specified Microsoft Exchange Server.

/IS {"server name"}

Backs up the Information Store file for the specified Microsoft Exchange Server.

/A

Performs an append operation. Either /G or /T must be used in conjunction with this switch. Do not use this switch in conjunction with /P.

/V:{yes|no}

Verifies the data after the backup is complete.

/R:{yes|no}

Restricts access to this tape to the owner or members of the Administrators group.

/L:{f|s|n}

Specifies the type of log file: f=full, s=summary, n=none (no log file is created).

/M {backup type}

Specifies the backup type. It must be one of the following: normal, copy, differential, incremental, or daily.

/RS:{yes|no}

Backs up the Removable Storage database.

/HC:{on|off}

Uses hardware compression, if available, on the tape drive.

/UM

Finds the first available media, formats it, and uses it for the current backup operation. You must use the /P switch to designate a device-type media pool when you use the /UM switch so that Backup searches for the appropriate type of media (for example, 4mm DDS). When you use the /UM switch, Backup will search the following media pools for available media: Free pool, Import pool, Unrecognized pool, and Backup pool. When available media is found, the search will stop and the media will be formatted and used without prompting you for input. This command is not applicable to tape loaders and should only be used if you have a stand-alone tape device."
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Expert Comment

by:vatsal
ID: 6987668
it seems you havent prepared your media yet.

try this and get rid of the problem.

http://support.microsoft.com/default.aspx?scid=kb;en-us;q239892
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