 |
VME Support
| Identifier |
S206 |
Issue |
1 |
| Title |
NEW RELEASE - OpenVME RCSG OPTION TAPELB 0200 RCSG Library Handling Improvements. |
| Priority |
B |
| Date |
2008/01/28 |
NEW RELEASE -
OpenVME RCSG OPTION TAPELB 0200
RCSG Library Handling Improvements.
Following on from the RCS to RCSG changes, the design of the RCSG task has been changed to improve the handling of Standard Tape Libraries, and Virtual Tape Libraries.
The redesign incorporates significant improvements to fault diagnosis, and includes TAPELB 0150 repair source clearance.
This redesign has now been released as TAPELB 0200.
The Support of TAPELB 0150 will therefore be withdrawn on 1st July 2008.
Please contact your Service Delivery Manager, Sales contact or OpenVME Support staff to obtain TAPELB 0200.
Design Changes
- RCSG will DISMOUNT a tape when it is UNLOADED by OpenVME.
RCSG will be notified by OpenVME immediately a tape is unloaded, and will issue a dismount to the library, so the tape will not be left mounted when a job has finished with it.
The dismount will also prompt a CentricStor library to secure the cached virtual tape data to a physical tape.
- RCSG is notified immediately a tape has been loaded.
The new interface to OpenVME provides greater efficiency during the tape load process.
- RCSG allows an extended time for a tape to be mounted.
The longer period will cater for those libraries with larger tapes.
It will also allow time for a CentricStor library to read a tape image from a physical tape into its cache.
Fault Diagnosis Improvements
- Additional Information at a Standard Level of Journal Tracing.
The default level of tracing to the RCSG task journal is Standard, and this keeps the journal to an easily manageable size for a busy tape environment.
This level can limit fault diagnosis, however.
The RCSG task has been redesigned at this new release to lift the tracing to a full and diagnostic level for any tape action that encounters an abnormal event, but for that tape action only, thus providing a more useful set of available diagnostics without significantly increasing the journal size.
- Improvements at the Highest Level of Journal Tracing
The new release reduces the size of journal created when the tracing is set to Full and Diagnostic level by removing all unnecessarily repetitive polling entries. This significantly reduces the overheads in those instances where a high level of tracing is needed to diagnose the most complex faults.
- Improvements to the Task Cyclic Trace.
The task cyclic trace has been redesigned to be more efficient,a more useful size, and to hold more diagnostic information, again helping fault diagnosis.
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Copyright © Fujitsu Services Limited 2008
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