Asset ID:	1-71-1019407.1
Update Date:	2010-09-14
Keywords:

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Solution Type  Technical Instruction Sure

Solution  1019407.1 :   Tape - Slow Job Performance on Backups  


PreviouslyPublishedAs
239305

Applies to:

Sun Storage T9840 Tape Drive
Sun Storage SL8500 Modular Library System
Sun Storage L700 Tape Library
Sun Storage SL3000 Modular Library System
Sun Storage SL500 Modular Library System
All Platforms

Goal

Causes and resolutions to backups running slow.

Solution

Steps to follow to resolve slow performance issues during backups

Confirm the backups are running normally and there are not performance issues.

-Verify that the library is fully functional and not in a degraded mode.
  If library is in degraded mode, refer to <Document: 1019905.1>.   If the library is functional proceed down the steps.

-Verify that there is not a defective tape drive.  Refer to <Document: 1019432.1> on resolving defective tape drive issue.
  If there is not a defective tape drive, proceed down the steps.

-Verify that the jobs can read/write and there is no defective media.  Refer to <Document: 1019811.1> on resolving R/W or media issues.
  If there is not a problem with media, proceed down the steps.

-Verify that there is not a slow job performance problem.  Refer to <Document: 1019816.1> on resolving Slow job performance issues.
  If there is not a problem with bandwidth, proceed down the steps.

-Verify that this is not a problem with running out of tapes.  Refer to <Document: 1007265.1> and <Document: 1015518.1> on tape availability issues.
  If there is not a problem with tape shortage issue, proceed down the steps.

-Verify that this is not an application issue.  Should there be problems with the application, contact the Software provider concerning application issues.
  If there is not a problem with the application, proceed down the steps.

If the problem has not been resolved at this time, it will be necessary to open a case to Sun Support for further assistance.
To contact Sun Support, refer to:  http://www.oracle.com/us/corporate/contact/index.htm

For United States of America, call: 1-800-USA-4SUN (872-4786)

To expedite the resolution of your problem, refer to <Document: 1016821.1> for information that will be needed to assist in resolving your issue.


Product
Sun StorageTek LTO Tape Drive
Sun StorageTek 9940 Tape Drive
Sun StorageTek SDLT600 SCSI Tape Drive
Sun StorageTek T9840 Tape Drive
Sun StorageTek SL500 Modular Library System
Sun StorageTek L700 Tape Library
Sun StorageTek SL3000 Modular Library System
Sun StorageTek SL8500 Modular Library System
Sun StorageTek SDLT Tape Drive

Library, Normalize, Degraded, Defective tape drive, Media, Unable to read write, Exceeded, bandwidth, Run out of tapes, Application Issue, SL8500, SL500, L700, SL3000, Tape Library, Sun Storagetek, Drive, 9840, 9940 , T10000, LTO, SDLT, DLT 600

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