|
 |
| Slide 1:
Alex Kodat
|
|
 |
| Slide 2:
An Apology
|
|
 |
| Slide 3:
What is Recovery?
|
|
 |
| Slide 4:
Failures that Might Require Recovery
|
|
 |
| Slide 5:
Failures that Might Require Recovery
|
|
 |
| Slide 6:
General Recovery Platitudes
|
|
 |
| Slide 7:
General Recovery Platitudes
|
|
 |
| Slide 8:
Model 204 Recovery
|
|
 |
| Slide 9:
Backups
|
|
 |
| Slide 10:
Backups
|
|
 |
| Slide 11:
Backup Technology Options
|
|
 |
| Slide 12:
The Problem - Getting a Consistent Backup
|
|
 |
| Slide 13:
Doing Backups While 204 Up
|
|
 |
| Slide 14:
Online Backup Recommendations
|
|
 |
| Slide 15:
When Modified Model 204 Pages are Written to Disk
|
|
 |
| Slide 16:
When Modified Model 204 Pages are Written to Disk
|
|
 |
| Slide 17:
A Word About FISTAT
|
|
 |
| Slide 18:
Checkpoint Logging, AKA Pre-imaging
|
|
 |
| Slide 19:
Checkpoint Logging, AKA Pre-imaging
|
|
 |
| Slide 20:
Getting a New Checkpoint
|
|
 |
| Slide 21:
Getting a New Checkpoint
|
|
 |
| Slide 22:
Pre-imaging Features
|
|
 |
| Slide 23:
Using the Pre-Images to Recover from a Crash
|
|
 |
| Slide 24:
Snapshot Copy Technology
|
|
 |
| Slide 25:
Snapshot Copy Technology
|
|
 |
| Slide 26:
Doing Snapshot Copy During Checkpoint Quiesce
|
|
 |
| Slide 27:
A BATCH2 Stream for Doing an External Backup
|
|
 |
| Slide 28:
A BATCH2 Stream for Doing an External Backup
|
|
 |
| Slide 29:
But Hold On
|
|
 |
| Slide 30:
So a Thought
|
|
 |
| Slide 31:
A Last Word About Procedure Files
|
|
 |
| Slide 32:
Procedure File Recovery Techniques
|
|
 |
| Slide 33:
Full-on Pre-imaging and Roll Forward Logging for Procedure Files
|
|
 |
| Slide 34:
Pre-imaging Only for Procedure Files
|
|
 |
| Slide 35:
RESET FISTAT for Procedure Files
|
|
 |
| Slide 36:
A Modest Proposal for Procedure File Recovery
|
|
 |
| Slide 37:
A Modest Proposal for Procedure File Recovery
|
|
 |
| Slide 38:
Conclusions
|
|
 |
| Slide 39:
Comments? Questions?
|
|
