Video Screencast Help

Backup stoppt nach ca. 270 GB von 400 GB

Created: 05 Feb 2013 • Updated: 18 Apr 2013 | 4 comments
This issue has been solved. See solution.


wir sichern täglich ca. 250 GB - 300 GB auf 400 GB LTO-Bänder. Leider kommt es immer wieder vor, dass die Sicherung nach ca. 270 GB stoppet und ein neues Medium verlangt. Eigentlicht müsste die Restkapazität ja gut ausreichen um die Daten zu sichern. Die Sicherung ist so eingestellt, dass die Medien überschrieben werden sollen. Es ist auch auffällig, dass keinerlei Komprimierung erfolgt.

Hat jemand eine Idee woran die liegen könnte?

Besten Dank im Voraus für Tipps

Gruß Micha


Backup-Server: Windows 2003
Symantec Backup Version 12.5 Rev. 2213
Laufwerk: Quantum Ultrium 3

Comments 4 CommentsJump to latest comment

CraigV's picture

Hi Michael,

Make sure that Compression is turned on in the job. Try: Hardware, otherwise use Software. Hardware compression is better as it is done on the hardware and is independent of any server resources.

You might also want to download the Quantum tape utility to run a compression test against the tapes. Also, if you're not using the Symantec drivers for the drive, then run tapeinst.exe to install them!


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pkh's picture

There are a couple of reasons for this

1) your data is already compressed, so if you use hardware compression, you may end up with more data than you have started with.  See my article on this

2) the tape is bad

3) the tape drive needs cleaning

4) the tape drive is bad.  You would need to run the manufacturer's utility against the tape drive.  Make sure that you select the write test and that you have stopped all the BE services beforehand.

Gurvinder Rait's picture


Michael Z's picture

I have installed xTalk from Quantum and run the tests two times with different tapes. In both cases i received the following result :(

Test Summary
    Drive Detection Test -------- : Passed
    SCSI Interconnect Test ------ : Passed
    Tape Load Test -------------- : Passed
    Quick Write/Read Test ------- : Passed
    Small Buffer Wr/Rd Test ----- : Passed
    System Level Test ----------- : Passed
    Time Test ------------------- : Passed
    Multi-Pattern Test ---------- : Passed
    LTO Error Rate Test  -------- : Failed
Problem Detected

Looks like we have a Problem with out drive as described in TECH193200.